Relevant bibliographies by topics / Dental plaque

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Dental plaque'

Author: Grafiati
Published: 4 June 2021
Last updated: 28 July 2024

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Journal articles on the topic "Dental plaque"

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Moosavian, Mojtaba, Elyas Kushki, Tahereh Navidifar, Eskandar Hajiani, and Mahdi Mandegari. "Is There a Real Relationship between the Presence of Helicobacter pylori in Dental Plaque and Gastric Infection? A Genotyping and Restriction Fragment Length Polymorphism Study on Patient Specimens with Dyspepsia in Southwest Iran." International Journal of Microbiology 2023 (November 7, 2023): 1–8. http://dx.doi.org/10.1155/2023/1212009.

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Background. The oral cavity can act as an extra gastric reservoir for H. pylori, and the presence of the bacteria in the oral cavity is associated with a higher risk of dental caries development. This study aimed to determine the genotype and evaluate the association between the presence of H. pylori in dental plaque and gastric biopsy specimens in dyspeptic patients in Ahvaz, Southwest Iran. Methods. In this study, 106 patients with recruited dyspeptic complaints were selected, and from each patient, two gastric antral biopsy specimens and two dental plagues were examined. The presence of H. pylori was identified by the rapid urease test (RUT) and the amplification of ureAB and 16S rRNA genes. Also, to verify a hypothetical mouth-to-stomach infection route, the enzymatic digestions of three genes of cagA, vacA, and ureAB in H. pylori strains isolated from dental plaques and stomach samples were compared for each same case. Results. H. pylori was found in the stomach of 52.8% (56/106) and the dental plaques of 17.9% (19/106) of the studied cases. On the other hand, H. pylori was recognized in the stomach of all 19 cases with oral colonization. Following a combination of restriction fragment lengths 21 polymorphism (RFLP) patterns of these three known genes on stomach and dental plague samples, 14 and 11 unique patterns were seen, respectively. However, for all H. pylori-positive cases (19), the comparison of RLFP patterns of these genes in dental plaque and gastric biopsy specimens was different for the same case. Conclusions. In this study, it seems that there is no significant association between the presence of H. pylori in dental plaque and the stomach of the same case.
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Rezki, Sri, and Pawarti . "PENGARUH PH PLAK TERHADAP ANGKA KEBERSIHAN GIGI DAN ANGKA KARIES GIGI ANAK DI KLINIK PELAYANAN ASUHAN POLTEKKES PONTIANAK TAHUN 2013." ODONTO : Dental Journal 1, no. 2 (December 1, 2014): 13. http://dx.doi.org/10.30659/odj.1.2.13-18.

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Background: Dental plaque is a thin layers composed of various microorganisms which is formed on teeth surface after contacted with saliva in several minutes. Dental plaque is not dental disease but can be cause dental caries and periodontal disease and others teeth and mouth diseases.The relation of dental plaque and dental caries is on the plaque acidity that tend to email and dentine demineralisation, which will cause dental caries.Research purpose was to investigate influence dental plaque to oral hygiene index and dental caries index on child at the poltekkes dental clinic in pontianak 2013.Method: Research at the poltekkes pontianak dental clinic in may 2013. subject of study consisted of 32 patients child. 20 children of the female and 13 children of the male s. this research is research quantitative with the approach of observation and cross sectional methode. Result: The result, Ph dental plak is not significant relation with oral higiene index and caries index. Conclusion: caries caused multifaktorial so the prevention of various terms need to be done.Keywords: pH dental plaque, oral higiene index, dental caries index
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Yoshida, Akihiro. "Dental Plaque." membrane 42, no. 2 (2017): 46–53. http://dx.doi.org/10.5360/membrane.42.46.

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Sissons, C. H. "Artificial Dental Plaque Biofilm Model Systems." Advances in Dental Research 11, no. 1 (April 1997): 110–26. http://dx.doi.org/10.1177/08959374970110010201.

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Difficulties with in vivo studies of natural plaque and its complex, heterogeneous structure have led to development of laboratory biofilm plaque model systems. Technologies for their culture are outlined, and the rationale, strengths, and relative uses of two complementary approaches to microbial models with a focus on plaque biodiversity are analyzed. Construction of synthetic consortia biofilms of major plaque species has established a variety of bacterial interactions important in plaque development. In particular, the 'Marsh' nine-species biofilm consortia systems are powerful quasi steady-state models which can be closely specified, modified, and analyzed. In the second approach, microcosm plaque biofilms are evolved in vitro from the natural oral microflora to the laboratory model most closely related to plaque in vivo. Functionally reproducible microcosm plaques are attainable with a biodiverse microbiota, heterogeneous structure, and pH behavior consistent with those of natural plaque. The resting pH can be controlled by urea supply. Their growth patterns, pH gradient formation, control of urease levels by environmental effectors, and plaque mineralization have been investigated. Microcosm biofilms may be the only useful in vitro systems where the identity of the microbes and processes involved is uncertain. Together, these two approaches begin to capture the complexity of plaque biofilm development, ecology, behavior, and pathology. They facilitate hypothesis testing across almost the whole range of plaque biology and the investigation of antiplaque procedures yielding accurate predictions of plaque behavior in vivo.
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Kim, Jun-Min, Woo Ram Lee, Jun-Ho Kim, Jong-Mo Seo, and Changkyun Im. "Light-Induced Fluorescence-Based Device and Hybrid Mobile App for Oral Hygiene Management at Home: Development and Usability Study." JMIR mHealth and uHealth 8, no. 10 (October 16, 2020): e17881. http://dx.doi.org/10.2196/17881.

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Background Dental diseases can be prevented through the management of dental plaques. Dental plaque can be identified using the light-induced fluorescence (LIF) technique that emits light at 405 nm. The LIF technique is more convenient than the commercial technique using a disclosing agent, but the result may vary for each individual as it still requires visual identification. Objective The objective of this study is to introduce and validate a deep learning–based oral hygiene monitoring system that makes it easy to identify dental plaques at home. Methods We developed a LIF-based system consisting of a device that can visually identify dental plaques and a mobile app that displays the location and area of dental plaques on oral images. The mobile app is programmed to automatically determine the location and distribution of dental plaques using a deep learning–based algorithm and present the results to the user as time series data. The mobile app is also built with convergence of naive and web applications so that the algorithm is executed on a cloud server to efficiently distribute computing resources. Results The location and distribution of users’ dental plaques could be identified via the hand-held LIF device or mobile app. The color correction filter in the device was developed using a color mixing technique. The mobile app was built as a hybrid app combining the functionalities of a native application and a web application. Through the scrollable WebView on the mobile app, changes in the time series of dental plaque could be confirmed. The algorithm for dental plaque detection was implemented to run on Amazon Web Services for object detection by single shot multibox detector and instance segmentation by Mask region-based convolutional neural network. Conclusions This paper shows that the system can be used as a home oral care product for timely identification and management of dental plaques. In the future, it is expected that these products will significantly reduce the social costs associated with dental diseases.
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Rosan, Burton, and Richard J. Lamont. "Dental plaque formation." Microbes and Infection 2, no. 13 (November 2000): 1599–607. http://dx.doi.org/10.1016/s1286-4579(00)01316-2.

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Pradhan, Yashashree, Hari Prasad Devkota, and Ahmad Ali. "Potential Role of Medicinal Plants and their Phytochemicals against Plaque forming Oral Microbiota." Biosciences Biotechnology Research Asia 21, no. 2 (July 1, 2024): 371–89. http://dx.doi.org/10.13005/bbra/3232.

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Dental plaque, a type of biofilm formed on the tooth surface, is one of the most common dental problems suffered by many individuals all over the world. Various mechanical methods are used to remove plaque and certain chemical agents are used for prevention from dental plaque formation. Though these agents have fast action, long term use of synthetic agents may cause certain side effects. People around the world have been using medicinal plants for oral health care from hundreds of years. Some of such plants that are used in the prevention of dental plaques are Ocimum basilicum, Azadirachta indica, Syzygium aromaticum, Acacia nilotica and Achyranthes aspera. The essential oils and extracts of these plants contain many bioactive compounds like linalool, estragole, methyl-cinnamate, eugenol, nerol, Betulin, 3,12-oleandione, 1-Hexadecanol, Phytol, Cinnamaldehyde, β-caryophyllene, nimbin, azadirachtin, catechin and quercetin which act against dental plaque forming organisms. When these essential oils and extracts are tested in vitro as well as on some patients it showed major activities against major plaque forming organisms equivalent to the chemical agents used for prevention from plaque. Hence, in long term use the products containing bioactive compounds of Ocimum basilicum, Azadirachta indica, Syzygium aromaticum, Acacia nilotica and Achyranthes aspera may prove more effective as well as safe. This review deals with the mechanism of plaque formation, its treatment and role of Ocimum basilicum, Azadirachta indica, Syzygium aromaticum, Acacia nilotica and Achyranthes aspera and their major compounds in the prevention of plaque formation.
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Garanayak, Nishiswapna, Manoranjan Das, Ramesh Chandra Patra, Sangram Biswal, and Susen Ku Panda. "Effect of age on dental plaque deposition and its control by ultrasonic scaling, dental hygiene chew, and chlorhexidine (0.2%w/v) in dogs." November-2019 12, no. 11 (November 2019): 1872–76. http://dx.doi.org/10.14202/vetworld.2019.1872-1876.

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Background and Aim: Periodontitis is the most prevalent inflammatory dental disease caused by a lack of oral hygiene measures in domestic animals. The periodontal disease complex arises as a result of bacterial biofilm deposition termed as plaque on the tooth surface. Lack of cleaning measures either mechanical or chemical credit for the condition. The present study was conducted to screen the animals for the presence of plaque deposition, gingivitis, along with various control measures for the same. Materials and Methods: Thirty-two dogs of different age groups were evaluated for the presence of plaque and gingivitis by scoring method to estimate the extent of severity. Scaling of the tooth surface was done by ultrasonic scaling machine to remove the plaques, and the animals were divided into four treatment groups to study the effects of dental hygiene chew and chlorhexidine for control of plaque. Results: Present study revealed 71.87% and 34.37% of the screened animals were having plaque deposition and varied degrees of gingivitis respectively. A positive coefficient of correlation (r) of 0.89 (p<0.05) between advancing age and plaque deposition and 0.85 (p<0.05) between age and level of gingivitis was obtained. Two groups receiving dental chew and 0.2% w/v chlorhexidine showed lower plaque deposits, and the fourth treatment group receiving both dental chew and chlorhexidine showed 100% animals remained free from fresh plaque deposits. Conclusion: The present study showed a strong positive relationship between age and plaque deposition and gingivitis. The study also showed that oral hygiene measures such as use of dental hygiene chew and chlorhexidine application can reduce plaque deposition and periodontitis in domesticated canines.
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Tongpong, Piyachat, Sasithorn Sirilun, Chaiyavat Chaiyasut, and Phakkharawat Sittiprapaporn. "The relationship between dextranase enzyme in mouthwash and dental caries." Asian Journal of Medical Sciences 11, no. 1 (January 1, 2020): 80–84. http://dx.doi.org/10.3126/ajms.v11i1.26531.

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Background: Several studies reported that Thai people have oral health problems as a major problem. Therefore, care and treatment of oral health is an issue to be attentive. At the present, there are many products for oral and dental health care in many forms such as toothpaste, mouthwash, spray, deodorizing and inhibiting bacteria etc. Aims and Objective: This study investigated the effect of mouthwash containing Dextranase enzyme which affected to the changes of dental plaque (Plague Index) in eighteen dental caries volunteers by two mouthwash formulas; Formula I contained only Dextranase enzyme whereas Formula II contained a mixture of Nisin and Dextranase enzymes. Materials and Methods: This study was a single blind randomized clinical trial study. All participants were divided into two equal number of groups received mouthwash containing Dextranase enzyme or mouthwash containing a mixture of Nisin and Dextranase enzyme after using mouthwash. The study allowed participants to use mouthwash continuously for at least four weeks. The participants received oral examination, oral digital imaging and proximal radiographs using Bitewing oral Imaging method, respectively. Results: Both before and after using mouthwash were found to have dental caries. The study found that plague index in participants were decreased.Although the results of this study show that using mouthwash containing Dextranase enzymeeffect to decreased plaque accumulation on teeth volunteers were found to have dental caries but there are other factors besides the plaque on the teeththat causes dental cariese.g. susceptible tooth surface, Acidic product and pH change. Conclusion: Using mouthwash containing Dextranase enzyme help to reduce plaque formation.
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Ledder, Ruth G., Tejal Madhwani, Prem K. Sreenivasan, William De Vizio, and Andrew J. McBain. "An in vitro evaluation of hydrolytic enzymes as dental plaque control agents." Journal of Medical Microbiology 58, no. 4 (April 1, 2009): 482–91. http://dx.doi.org/10.1099/jmm.0.006601-0.

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The plaque-control potential of commercially available amylase, lipase and protease was evaluated by observing their effects on coaggregation and on bacterial viability within various plaque microcosms. A quantitative coaggregation assay indicated that protease significantly inhibited the extent of coaggregation of Actinomyces naeslundii and Streptococcus oralis (P <0.05) and of Porphyromonas gingivalis and S. oralis. Amylase significantly (P <0.05) increased the coaggregation of A. naeslundii versus Fusobacterium nucleatum and A. naeslundii versus P. gingivalis. Concomitant challenge of constant-depth film fermenter-grown plaques with the enzymes did not result in detectable ecological perturbations (assessed by differential culture and denaturing gradient gel electrophoresis). Similar dosing and analysis of multiple Sorbarod devices did not reveal increases in bacterial dispersion which could result from disaggregation of extant plaques. A short-term hydroxyapatite colonization model was therefore used to investigate possible enzyme effects on early-stage plaque development. Whilst culture did not indicate significant reductions in adhesion or plaque accumulation, a vital visual assay revealed significantly increased aggregation frequency following enzyme exposure. In summary, although hydrolytic enzymes negatively influenced binary coaggregation, they did not cause statistically significant changes in bacterial viability within plaque microcosms. In contrast, enzyme exposure increased aggregation within extant plaques.
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Dissertations / Theses on the topic "Dental plaque"

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Giertsen, Elin. "Clinical and microbiological aspects of Zn2+ and detergents related to dental plaque." Oslo, Norway : University of Oslo, 1990. http://catalog.hathitrust.org/api/volumes/oclc/22443983.html.

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Agnew, E. C. "The effects of casein on healing and plaque formation." Thesis, [Hong Kong] : University of Hong Kong, 1986. http://sunzi.lib.hku.hk/hkuto/record.jsp?B1232629X.

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Mustow, R. E. "Aspects of dental plaque development in laboratory models." Thesis, University of Bristol, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.379543.

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Alsaif, Aysha S. Y. A. S. "Treatment of dental plaque biofilms using photodynamic therapy." Thesis, University of Leeds, 2017. http://etheses.whiterose.ac.uk/18523/.

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BACKGROUND: Photodynamic therapy (PDT) is a treatment modality involving a dye that is activated by exposure to light of a specific wavelength in the presence of oxygen to form oxygen species causing localised damage to microorganisms. AIM: To determine the most effective bactericidal incubation and irradiation times of erythrosine-based PDT, using a tungsten filament lamp, on in vivo- formed dental plaque biofilms. MATERIALS AND METHODS: The study was a two-phase randomised controlled study consisting of in-vitro and in-situ phases. Phase-1 aimed to determine the most appropriate incubation-time using erythrosine(220μM) based-PDT on lactobacillus species grown in-vitro. Phase-2 was conducted on 18-healthy adult participants wearing intraoral appliances with human enamel slabs to collect dental plaque samples in two separate periods for use in arm-1 and arm-2. For phase-2, accumulated dental plaque samples were tested under different experimental conditions; a) Control-1 (No erythrosine, no light); b) Control-2 (+Erythrosine, no light); c) Treatment-1 (+Erythrosine, +15min continuous light); d) Treatment-2 (+Erythrosine, +30sec light pulses for 5- times separated by 1min dark periods). Incubation-times of 15min and 2min were used in arm-1 and arm-2, respectively; as adapted from the previous pilot study and phase-1. Following treatment, percentage reduction of total bacterial counts were compared between the different groups. Additionally, Confocal Laser Scanning Microscopy(CLSM) was used to investigate the effect of PDT on in vivo-formed plaque biofilms. RESULTS: Significant reductions in the percentage of total bacterial counts (~93-95%) of in vivo-formed biofilms were found when using either 2min or 15min incubation-times and applying 15min continuous light. Whereas, when applying fractionated light, there was more cell death when 15min incubation-time was used (~91%) compared with the 2min incubation-time (~64%). CLSM results supported these findings. CONCLUSION: Improving the clinical usefulness of PDT by reducing its overall treatment time seems to be promising and effective in killing in vivo- formed dental plaque biofilms.
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Reyes, Silveyra Lupita Jocelin. "Investigations on automated methods for dental plaque detection." Thesis, University of Birmingham, 2012. http://etheses.bham.ac.uk//id/eprint/3230/.

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This thesis investigated different quantitative methods for dental plaque detection using digital imaging. Firstly, based on a commercially available two-tone disclosing, the concentration of the dyes in the blue disclosing solution was calculated. This blue dye was used to disclose dental plaque accumulated on natural teeth and complete upper dentures (on two different backgrounds). Digital images were acquired under visible light, in the n-IR spectrum and with a narrow band-pass interference (NIB) filter tuned to the absorption spectrum of the blue dye. The results showed that disclosing dyes and disclosed dental plaque are transparent in the n-IR spectrum whilst the NIB filter maximised the contrast of dental plaque in the images when using the blue stain. A number of computerised segmentation methods were applied to these images showed automation of dental plaque detection to identify reliable methods to quantify plaque coverage. Although minor human intervention was still required in the segmentation process, the continuous development of new software promises that full automation in plaque quantification is almost a reality. Finally, analysis of the inter- and intra-examiner reliability of the commonly used Quigley and Hein index showed moderate reliability, highlighting the need for automated, quantitative and more reproducible methodology.
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Owens, Gareth. "In vitro caries : dental plaque formation and acidogenicity." Thesis, University of Liverpool, 2013. http://livrepository.liverpool.ac.uk/15495/.

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Dental caries is a significant disease world-wide and although a massive reduction in prevalence has occurred over the past 50 years, incidents of this disease persist (particularly on the occlusal or aproximal surfaces and concerning younger demographics). The main reason for the observed reduction is exposure to fluoride either though water fluoridation and delivery by dentifrice. Environmental exposure reduces incidence by incorporation into the mineral phase of the hard tissue and, as a result, increases the resistance of the enamel mineral to acid-induced demineralisation. Several mechanisms have been proposed in an attempt to explain the caries-inhibiting effects of fluoride however its influence on the balance between de- and re-mineralisation episodes appears to be the principal route by which fluorides exert their effects. Efforts geared towards the continual improvement of fluoride delivery systems have also been successful to some extent and thus further exploration shows promise of improving the anticaries efficacy further. However, a complication is met in that, in vivo, multiple factors interrelated and consequently, differences in the consortia within natural oral biofilms combined with unavoidable inter-individual variations confound clinical investigations and make the distinction between relevant aspects of the process difficult. One possible alternative strategy is the development of in vitro biological models to simulate this process to a point of reflecting the in vivo situation whilst retaining control over the parameters which are known to be crucial to the progression of the disease. To this end, the Constant-Depth Film Fermenter (CDFF) has emerged as powerful tool to potentially meet the needs of current in vitro research. However, due to the lack of an inter-disciplinary approach to multi-faceted disease process, the full potential of the CDFF has not yet been reached. Therefore, the CDFF model was applied to study of anti-caries strategies which aimed to increase the persistence of the fluorides within natural microcosm biofilms. Enamel lesions were successfully produced within this system and, using a combination of both biological and non-biological demineralisations systems, the effects of anticaries agents (calcium and fluoride) were also investigated for their effects on lesion progression or reversal. Sodium fluoride (NaF; 300 ppm F-) exposures exhibited an ambiguous response on the microbial community although definite anticaries activity. Conversely, calcium lactate pre-rinses (Ca-lactate; 100 mM) appears to possess some inhibitory activity on the biofilms produced within the model whereas a less effective anticaries activity was observed in comparison to NaF exposures alone. Thus, further investigation of the effects of Ca-lactate should be pursued. Operation of the CDFF was also further developed to meet the needs of this study and analyses were performed on an integrative basis in order to capture the physiochemical events which take place during caries lesion formation. Microcosm plaques were shown to be highly diverse with respect to their community although homology was found on the bias of their ultimate definition, cariogenicity. The synthesis of inorganic mineral reservoirs within microcosm biofilms holds great potential for augmenting the physiology of the plaque and for increasing the efficacy of fluorides for prevention of enamel demineralisation. Microcosm biofilms may also have an adaptive capacity which could result in predicable response patterns. Ultimately, a holistic approach to the study of caries within a biological context provides greater insight into the caries process than approaches which lack specific interactions for the purposes of assigning direct relationships. With the successful development of a fully functional enamel caries model, the possibilities are endless.
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Saunders, Kay Amanda. "Modelling dental plaque interactions of defined communities of oral organisms." Thesis, University of the West of England, Bristol, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.283387.

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Gafan, Gavin Peter. "A community analysis of dental plaque in pre-pubertal children." Thesis, University College London (University of London), 2007. http://discovery.ucl.ac.uk/1445496/.

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Healthy children, aged between 5 and 9 years who had not taken antibiotics in the preceding three months were recruited. Plaque was sampled from the gingival crevice of either the lower left or lower right first permanent molar to estimate the prevalence of Porphyromonas gingivalis, Actinobacillus actinomycetemcomitans and Tannerella forsythensis which have been implicated as main etiological agents of periodontal disease. Analysis of plaque from subjects without gingivitis (n = 65) and those with gingivitis (n = 53) by PCR targeting of the 16S rRNA gene demonstrated negligible differences in the prevalence of these pathogens with the exception of T. forsythensis. This pathogen was detected more frequently in children with no gingivitis (P = 0.03). Community analysis of plaque was carried out to determine (i) any significant differences in the microbiota of both cohorts and (ii) if specific taxa influenced the prevalence of the three periodontal pathogens. Community analysis was attempted by using both culture dependent and culture independent techniques. The culture dependent technique involved community level physiological profiling (CLPP) and attempted to measure metabolic differences between cohorts. Preliminary studies demonstrated that this technique was not suitable for small sample volumes, such as plaque from single sites and was abandoned. The culture independent technique, denaturing gradient gel electrophoresis (DGGE), is a rapid and cost effective method for analysing bacterial communities. Statistical analysis of the DGGE data for both cohorts suggested that bacterial diversity was lower in subjects with gingivitis (P = 0.009). Logistic regression analysis of the DGGE banding patterns demonstrated that specific bands were significantly associated with gingival health and with gingivitis. Similarly, other bands were significantly associated with the prevalence of the three periodontal pathogens. These bands were excised and PCR-cloned. The 16S rRNA sequence data for these clones demonstrated that these DGGE bands were mixed with DNA of multiple taxa. Further attempts to separate individual excised bands over shorter denaturing gradients proved unsuccessful. This work has demonstrated that P. gingivalis, A. actinomycetemcomitans and T. forsythensis are present in the dental plaque of pre-pubertal children both with and without gingivitis. It has also provided valuable insights into the applications and limitations of fingerprinting techniques such as CLPP and DGGE.
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Ramberg, Per. "Studies on d̲e̲ n̲o̲v̲o̲ plaque formation in man." Göteborg : Dept. of Periodontology, Faculty of Odontology, Göteborg University, 1995. http://books.google.com/books?id=Zko0AAAAIAAJ.

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Albert, Jeremy M. "Clinical evaluation of the Prophy-Jet in routine plaque debridement of orthodontic patients." [Gainesville, Fla.]: University of Florida, 2003. http://purl.fcla.edu/fcla/etd/UFE0000627.

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Books on the topic "Dental plaque"

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Nelson, James Gary. Smileytooth and the plaque attack. Sparks, NV: Nelstead Books, 2006.

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Hopkins, Harold. The dental plaque battle is endless but worth it. Rockville, Md: Dept. of Health and Human Services, Public Health Service, Food and Drug Administration, 1985.

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ten, Cate J. M., Research Group on Surface and Colloid Phenomena in the Oral Cavity., and Council of Europe, eds. Recent advances in the study of dental calculus: Proceedings of a workshop 6-9 November, 1988, Noordwijkerhout, the Netherlands. Oxford: IRL Press at Oxford University Press, 1989.

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ten, Cate J. M., and Research Group on Surface and Colloid Phenomena in the Oral Cavity., eds. Recent advances in the study of dental calculus. Oxford: IRL, 1989.

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Kalfas, Sotirios. Sorbitol and dental plaque: Aspects of caries-related microbiological and biochemical factors. Malmö, Sweden: Department of Oral Microbiology, Faculty of Odontology, University of Lund, 1989.

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European, Workshop on Mechanical Plaque Control (1998 Berne Switzerland). Proceedings of the European Workshop on Mechanical Plaque Control: Status of the art and science of dental plaque control ; Castle of Münchenwiler, Berne, Switzerland, May 9-12, 1998. Chicago: Quintessence, 1998.

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Firtel, M. The flow cytometric detection of dual-stained organisms in dental plaque. [Toronto: Faculty of Dentistry, University of Toronto], 1990.

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ed, Lehner T., Cimasoni G. ed, and European Symposium on the Borderland Between Caries and Periodontal Disease (3rd : 1986 : Geneva, Switzerland), eds. The Borderland between caries and periodontal disease III. Geneva: Editions Me decine et Hygiene, 1986.

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Oliveby, Anette. Studies on the kinetics of fluoride in human saliva and its effects on plaque acidogenicity. Stockholm: Kongl. Carolinska Medico Chirurgiska Institutet, 1991.

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Lundström, Fredrik. Promoting dental health in orthodontic patients: Studies on measures for microbial plaque control during orthodontic treatment with fixed appliances. Stockholm: Dept. of Orthodontics, Karolinska Institutet, 1985.

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Book chapters on the topic "Dental plaque"

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Gooch, Jan W. "Dental Plaque." In Encyclopedic Dictionary of Polymers, 886. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_13539.

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Bloomquist, Cynthia Gove, and William F. Liljemark. "Dental Plaque." In Persistent Bacterial Infections, 409–21. Washington, DC, USA: ASM Press, 2014. http://dx.doi.org/10.1128/9781555818104.ch21.

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Marsh, Philip, and Michael Martin. "Dental plaque." In Oral Microbiology, 98–132. Boston, MA: Springer US, 1992. http://dx.doi.org/10.1007/978-1-4615-7556-6_5.

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Sammons, Rachel. "Control of Dental Plaque." In Medical Biofilms, 221–54. Chichester, UK: John Wiley & Sons, Ltd, 2005. http://dx.doi.org/10.1002/0470867841.ch10.

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Spratt, David. "Dental Plaque and Bacterial Colonization." In Medical Biofilms, 173–98. Chichester, UK: John Wiley & Sons, Ltd, 2005. http://dx.doi.org/10.1002/0470867841.ch8.

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Dumitrescu, Alexandrina L., and Masaru Ohara. "Antimicrobial Resistance of Dental Plaque Biofilm." In Antibiotics and Antiseptics in Periodontal Therapy, 1–18. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-13211-7_1.

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Levine, Ronnie, and Catherine Stillman-Lowe. "Plaque (Biofilm) Control and Dental Diseases." In BDJ Clinician’s Guides, 45–48. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-98207-6_5.

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Dymock, David. "Detection of Microorganisms in Dental Plaque." In Medical Biofilms, 199–220. Chichester, UK: John Wiley & Sons, Ltd, 2005. http://dx.doi.org/10.1002/0470867841.ch9.

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Imangaliyev, Sultan, Monique H. van der Veen, Catherine M. C. Volgenant, Bart J. F. Keijser, Wim Crielaard, and Evgeni Levin. "Deep Learning for Classification of Dental Plaque Images." In Lecture Notes in Computer Science, 407–10. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-51469-7_34.

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Dumitrescu, Alexandrina L., and Makoto Kawamura. "Etiology of Periodontal Disease: Dental Plaque and Calculus." In Etiology and Pathogenesis of Periodontal Disease, 1–38. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-03010-9_1.

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Conference papers on the topic "Dental plaque"

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Huang, Chuqin, Manuja Sharma, Lauren K. Lee, Matthew D. Carson, Mark E. Fauver, and Eric J. Seibel. "Optical imaging of dental plaque pH." In Image-Guided Procedures, Robotic Interventions, and Modeling, edited by Baowei Fei and Cristian A. Linte. SPIE, 2020. http://dx.doi.org/10.1117/12.2551322.

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Somrang, Nontapol, and Noppom Chotikakamthorn. "Interactive Haptic Simulation of Dental Plaque Removal." In 2006 International Symposium on Communications and Information Technologies. IEEE, 2006. http://dx.doi.org/10.1109/iscit.2006.340055.

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Huang, Chuqin, Manuja Sharma, Lauren K. Lee, Matthew D. Carson, Mark E. Fauver, and Eric J. Seibel. "Optical imaging of dental plaque pH (erratum)." In Image-Guided Procedures, Robotic Interventions, and Modeling, edited by Baowei Fei and Cristian A. Linte. SPIE, 2020. http://dx.doi.org/10.1117/12.2592068.

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Negrutiu, Meda-Lavinia, Cosmin Sinescu, Cristina Maria Bortun, Mihaela-Codrina Levai, Florin Ionel Topala, Emanuela Lidia Crăciunescu, Andreea Codruta Cojocariu, Virgil Florin Duma, and Adrian Gh Podoleanu. "Assessment of dental plaque by optoelectronic methods." In Sixth International Conference on Lasers in Medicine, edited by Darinca Carmen Todea, Adrian G. Podoleanu, and Virgil-Florin Duma. SPIE, 2016. http://dx.doi.org/10.1117/12.2191640.

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Kang, Jiayin, and Zhicheng Ji. "Dental plaque quantification using mean-shift-based image segmentation." In 2010 International Symposium on Computer, Communication, Control and Automation (3CA). IEEE, 2010. http://dx.doi.org/10.1109/3ca.2010.5533758.

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Liu, Cheng-wei, and Hsien-Huang P. Wu. "Distribution Analysis of Dental Plaque Based on Deep Learning." In 2022 IEEE International Conference on Consumer Electronics - Taiwan. IEEE, 2022. http://dx.doi.org/10.1109/icce-taiwan55306.2022.9869078.

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Graham, Jasmine Y., Eric Seibel, and Leonard Nelson. "Optical measurement of acidification of human dental plaque in vitro." In Lasers in Dentistry XXIV, edited by Peter Rechmann and Daniel Fried. SPIE, 2018. http://dx.doi.org/10.1117/12.2286654.

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Jia-Yin Kang, Le-Quan Min, Qing-Xian Luan, Xiao Li, and Jin-Zhu Liu. "Dental plaque quantification using FCM-based classification in HSI color space." In 2007 International Conference on Wavelet Analysis and Pattern Recognition. IEEE, 2007. http://dx.doi.org/10.1109/icwapr.2007.4420640.

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Sudheera, P., V. Ramakrishna Sajja, S. Deva Kumar, and N. Gnaneswara Rao. "Detection of dental plaque using enhanced K-means and silhouette methods." In 2016 International Conference on Advanced Communication Control and Computing Technologies (ICACCCT). IEEE, 2016. http://dx.doi.org/10.1109/icaccct.2016.7831702.

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Kasai, Mai, Yuka Iijima, Hiroshi Takemura, Hiroshi Mizoguchi, Tomoko Ohshima, and Naho Satomi. "Dental plaque assessment lifelogging system using commercial camera for oral healthcare." In 2016 38th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC). IEEE, 2016. http://dx.doi.org/10.1109/embc.2016.7591254.

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Reports on the topic "Dental plaque"

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Salcido, Charles, Patrick Wilson, Justin Tweet, Blake McCan, Clint Boyd, and Vincent Santucci. Theodore Roosevelt National Park: Paleontological resource inventory (public version). National Park Service, May 2022. http://dx.doi.org/10.36967/nrr-2293509.

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Theodore Roosevelt National Park (THRO) in western North Dakota was established for its historical connections with President Theodore Roosevelt. It contains not only historical and cultural resources, but abundant natural resources as well. Among these is one of the best geological and paleontological records of the Paleocene Epoch (66 to 56 million years ago) of any park in the National Park System. The Paleocene Epoch is of great scientific interest due to the great mass extinction that occurred at its opening (the Cretaceous–Paleogene extinction event), and the unusual climatic event that began at the end of the epoch (the Paleocene–Eocene Thermal Maximum, an anomalous global temperature spike). It is during the Paleocene that mammals began to diversify and move into the large-bodied niches vacated by dinosaurs. The rocks exposed at THRO preserve the latter part of the Paleocene, when mammals were proliferating and crocodiles were the largest predators. Western North Dakota was warmer and wetter with swampy forests; today these are preserved as the “petrified forests” that are one of THRO’s notable features. Despite abundant fossil resources, THRO has not historically been a scene of significant paleontological exploration. For example, the fossil forests have only had one published scientific description, and that report focused on the associated paleosols (“fossil soils”). The widespread petrified wood of the area has been known since at least the 19th century and was considered significant enough to be a tourist draw in the decades leading up to the establishment of THRO in 1947. Paleontologists occasionally collected and described fossil specimens from the park over the next few decades, but the true extent of paleontological resources was not realized until a joint North Dakota Geological Survey–NPS investigation under John Hoganson and Johnathan Campbell between 1994–1996. This survey uncovered 400 paleontological localities within the park representing a variety of plant, invertebrate, vertebrate, and trace fossils. Limited investigation and occasional collection of noteworthy specimens took place over the next two decades. In 2020, a new two-year initiative to further document the park’s paleontological resources began. This inventory, which was the basis for this report, identified another 158 fossil localities, some yielding taxa not recorded by the previous survey. Additional specimens were collected from the surface, among them a partial skeleton of a choristodere (an extinct aquatic reptile), dental material of two mammal taxa not previously recorded at THRO, and the first bird track found at the park. The inventory also provided an assessment of an area scheduled for ground-disturbing maintenance. This inventory is intended to inform future paleontological resource research, management, protection, and interpretation at THRO. THRO’s bedrock geology is dominated by two Paleocene rock formations: the Bullion Creek Formation and the overlying Sentinel Butte Formation of the Fort Union Group. Weathering of these formations has produced the distinctive banded badlands seen in THRO today. These two formations were deposited under very different conditions than the current conditions of western North Dakota. In the Paleocene, the region was warm and wet, with a landscape dominated by swamps, lakes, and rivers. Great forests now represented by petrified wood grew throughout the area. Freshwater mollusks, fish, amphibians (including giant salamanders), turtles, choristoderes, and crocodilians abounded in the ancient wetlands, while a variety of mammals representing either extinct lineages or the early forebearers of modern groups inhabited the land. There is little representation of the next 56 million years at THRO. The only evidence we have of events in the park for most of these millions of years is isolated Neogene lag deposits and terrace gravel. Quaternary surficial deposits have yielded a few fossils...
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HIV/AIDS-related stigma and discrimination: A conceptual framework and an agenda for action. Population Council, 2002. http://dx.doi.org/10.31899/hiv2002.1010.

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In 1987, Jonathan Mann, then director of the WHO Global Programme on AIDS, identified three phases of the HIV/AIDS epidemic: the epidemic of HIV, the epidemic of AIDS, and the epidemic of stigma, discrimination, and denial. Despite international efforts to tackle HIV/AIDS since then, stigma and discrimination (S&D) remain among the most poorly understood aspects of the epidemic. This poor understanding is due in part to the complexity and diversity of S&D, but also to limitations in current thinking within the field and the inadequacy of available theoretical and methodological tools. This paper proposes a new conceptual framework to help inform thinking about the processes of S&D, about the way these processes relate to HIV/AIDS, and about potential interventions to address S&D and minimize their impact. The paper analyzes the sources of S&D, the ways in which HIV/AIDS-related S&D manifests itself, and the contexts in which HIV/AIDS-related S&D take place; highlights the limitations of current thinking and argues that S&D need to be understood as social rather than individual processes; and identifies an agenda for research and intervention.
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V971RF7 A Model for Assessing the Significance of Mechanical Damage. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), January 2008. http://dx.doi.org/10.55274/r0010921.

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Develop a method for predicting the time dependent behavior of combined dent and gouge type mechanical damage in pipelines. A small but significant number of pipeline failures occur each year and the majority of them arise as a result of damage arising from external interference. These failures generally occur at the time of damage, but a small number are delayed, with the final failure taking place following periods of up to 40 years from the original damage. This type of failure is of concern to pipeline operators as they will occur without warning. The mechanisms governing time-delayed failures are poorly understood due to the extremely limited experimental data available. A greater understanding of the failure mechanism will provide operators with increasingly reliable strategies for managing external interference damage.
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L51860 Pipeline Design for Mechanical Damage. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), January 2001. http://dx.doi.org/10.55274/r0010145.

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Mechanical damage by third-party excavation is the leading cause of pipeline failures in North America and Europe, yet pipeline design standards are mainly based on resistance to internal pressure and do not explicitly address mechanical damage. Without a design method that takes into account the likelihood and consequences of mechanical damage, the risk (referring to the total risk to life safety herein) implied by current design practices is not uniform for different pipelines with respect to mechanical damage. A reliability-based method provides a means to ensure that risks implied by the design are acceptable and uniform. To achieve this goal, the design criteria presented in this report were calibrated to meet a set of target reliabilities that were selected by a two-step approach. In the first step, the average target reliability level was set to match the overall historical level, on the basis that gas pipelines in general have a satisfactory safety record. The second step involved varying the target reliability levels in inverse proportion to the severity of failure consequences so as to maintain consistency of risk. The consequences, and hence the target reliability levels, were functions of pipeline diameter, operating pressure and location class. The tool used to develop the design check is a probabilistic model that relates the probability of failure due to mechanical damage to the design parameters (e.g., diameter, wall thickness, steel grade, pressure and location class) and the preventative measures put in place (e.g., burial depth, response time to notification, level of site-supervision for excavation, and frequency of right-of-way patrol). The model has two essential components: a fault tree that estimates interference frequency based on land use type and preventative measures, and a structural reliability model that estimates the probability of puncture or burst due to a gouged dent for a given interference event. The overall probabilistic framework is based on the Monte-Carlo simulation method. In predicting failure probabilities, the uncertainties in load and resistance variables and model errors were taken into consideration.
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