Bibliografias temáticas / Acrylic Pouring

Literatura científica selecionada sobre o tema "Acrylic Pouring"

Autor: Grafiati

Publicado: 26 de julho de 2024

Última modificação: 28 de julho de 2024

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Artigos de revistas sobre o assunto "Acrylic Pouring"

Messias, Aion Mangino, Stephania Caroline Rodolfo Silva, Filipe de Oliveira Abi-Rached, Raphael Freitas de Souza e José Maurício dos Santos Nunes Reis. "Comparison of impression techniques and double pouring by dental cast’s accuracy". Brazilian Journal of Oral Sciences 18 (18 de novembro de 2019): e191692. http://dx.doi.org/10.20396/bjos.v18i0.8657273.

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Aim: This study compared impression techniques and double pouring by means of cast’s accuracy. Methods: For each patient (n=10), impressions from right maxillary canine to first molar were made with acrylic resin trays and vinyl-polysiloxane using one single-step, and four two-steps techniques: relief with poly(vinyl chloride) film; tungsten-carbide bur/scalpel blade; small movements of the tray; non-relief. Total visible buccal surface area of crowns was measured three times using photographs from patients (Baseline) and casts. Mean area values (mm2) between Baseline and casts differences were analyzed by two-way repeated-measures ANOVA (α=.05; 1-β=85%). Results: No significant differences were observed for Impression Techniques (P=.525), Double Pouring (P=.281), and their interaction (P=.809). Conclusion: All impression techniques and double pouring produced casts with similar accuracy.

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Shin, Won-Sun. "Analysis of Fractal Geometric Structure-based Acrylic Pouring Art Makeup Technique". Korean Society of Beauty and Art 23, n.º 1 (20 de março de 2022): 7–26. http://dx.doi.org/10.18693/jksba.2022.23.1.7.

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Oktafiani, P. G., H. Putra, Erizal e Sutoyo. "Scale-Up Soybean Crude Urease Calcite Precipitation (SCU-CP) Method for Sandy Soil Improvement". IOP Conference Series: Earth and Environmental Science 1249, n.º 1 (1 de outubro de 2023): 012035. http://dx.doi.org/10.1088/1755-1315/1249/1/012035.

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Abstract Loose sandy soils tend to have low shear strength; thus, improving the mechanical properties is necessary to enhance the bond of soil grains. Adding an additive that will form a bonding agent, i.e., calcite, within the soil to increase the strength of the soil is a relatively novel technique. Soybean Crude Urease Calcite Precipitation (SCU-CP) is a soil improvement method that utilizes soybeans as a catalyst for calcite formation in the reaction of urea and CaCl2. This study aims to evaluate the efficacy of SCU-CP in the large-scale application in terms of the distribution of calcite and its impact on the behavior of the California Bearing Ratio. A soil sample made with a 1-m acrylic mold with a 5cm diameter and a drum test with a height and diameters of 50 cm and 60 cm, respectively. The results in a percentage distribution of material vertically on a 1-m acrylic mold and horizontally on a 60 cm diameter drum with an even distribution. The average percent spread is 3.96% in the mold and 7.19% in the drum-test even distribution of strength, where the average CBR result is 1.40 on the seventh day. This study concluded that the SCU-CP method with the pouring technique has a promising approach for real-field application.

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Singh, Kunwarjeet. "Injection Molding Technique for Fabrication of Flexible Prosthesis from Flexible Thermoplastic Denture base Materials". World Journal of Dentistry 3, n.º 4 (2012): 303–7. http://dx.doi.org/10.5005/jp-journals-10015-1178.

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ABSTRACT Purpose To know properties, step-by-step procedure for fabrication and insertion of flexible prosthesis. Background Flexible denture base materials were introduced to dentistry by the name of Valplast and Flexiplast in 1950's. Injection molding technique is used for fabrication of various types of prostheses from these materials and fluid resins. Pryor used injection molding technique for introducing unpolymerized acrylic resin into the mold. In the mid 1970's Ivoclar introduced an injection molding system which used an acrylic resin modified for the injection molding process. Recently, numbers of dental manufacturing companies have introduced injection molding systems. Materials and methods The flexible denture base materials are superpolyamides which are available in the form of granules in cylinders of different sizes. These materials are thermoplastic in nature and needed to be converted into fluid form before pouring into mold under pressure. Each cylinder should be plasticized for 15 to 20 minutes at 550 to 560°F in an electric cartridge furnace before injecting the material into the flask. While injecting, the cylinder should be aligned with opening of flask and the levers of the press should be turned rapidly to apply firm pressure until the springs of the press are fully compressed. The pressure should be maintained for 3 to 5 minutes and the flask should be allowed to bench cool for 15 to 20 minutes before opening. Conclusion This technique can be used for fabrication of different types of prostheses from flexible denture base materials and fluid resins. How to cite this article Singh K, Gupta N. Injection Molding Technique for Fabrication of Flexible Prosthesis from Flexible Thermoplastic Denture base Materials. World J Dent 2012;3(4):303-307.

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Tavakolizadeh, Sara, Mohammad Javad Razaghi, Pedram Pakravan, Majid Sedaghat Monfared, Elaheh Beyabanaki e Rahab Ghoveizi. "Effect of multiple pouring on the accuracy of casts made using 3D-printed custom trays with different spacer thicknesses: A research study". Journal of Dental Research, Dental Clinics, Dental Prospects 14, n.º 1 (18 de março de 2020): 37–40. http://dx.doi.org/10.34172/joddd.2020.005.

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Background . This study aimed to evaluate the effect of different pouring times and spacer thicknesses on the three-dimensional accuracy of casts made of 3D-printed custom trays. Methods. A partial edentulous maxillary model was scanned for fabricating custom acrylic trays. Twenty custom trays were created using a CAD/CAM system and divided into two groups in terms of their spacer thicknesses (2 mm and 4 mm). All the trays were designed with 2-mm thickness, multiple retentive holes measuring 2 mm in diameter, and three interior seating stops (two on the edentulous ridge and one on the incisal edge of the central incisors). Impressions were made using monophasic polyvinyl siloxane and poured in two different times (one hour and 24 hours after removal) with type IV dental stone. All the casts were scanned to measure three distances (inter-buccal cusps, inter-palatal cusps, and inter-fossa distances) between the two first premolars. The data were analyzed with two-way ANOVA and Bonferroni test at a significance level of 0.05. Results. There was no significant difference between the 3D accuracy of casts made using two different spacer thicknesses poured at 1-hour and 24-hour intervals. However, there was a difference between casts made after 1 hour and 24 hours when using custom trays with 2 mm of spacer thickness in terms of inter-buccal distance. Conclusion. There was no significant difference between the accuracy of casts made using custom trays with either 2 or 4 mm of spacer thickness, which were poured 1 hour or 24 hours after tray removal.

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Chen, Shiwei, Ziyuan Qian, Xiaojiao Fu e Xuan Wu. "Magnetically Tunable Adhesion of Magnetoactive Elastomers’ Surface Covered with Two-Level Newt-Inspired Microstructures". Biomimetics 7, n.º 4 (16 de dezembro de 2022): 245. http://dx.doi.org/10.3390/biomimetics7040245.

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As one of the new intelligent materials, controllable bionic adhesive materials have great application prospects in many fields, such as wearable electronic devices, wall climbing robot systems, and biomedical engineering. Inspired by the microstructure of the newt pad’s surface, this paper reports a bionic adhesive surface material with controllable adhesion on dry, wet acrylic, and iron sheet surfaces. The material is prepared by mixing the PDMS matrix with micron carbonyl iron powders (CIPs) and then pouring the mixture into a female mold prepared by Photo-curing 3D Printing for curing. As the mold interior is designed with a two-level microstructure array, the material’s surface not only coated a regular hexagonal column array with a side length of 250 μm and a height of 100 μm but also covered seven dome structures with a diameter of 70 μm on each column. In what follows, the adhesion force of the proposed materials contacted three different surfaces are tested with/without magnetic fields. The experimental results show that the MAEs covered with two-level bionic structures(2L-MAE) reported in this paper exhibit a stronger initial adhesion in the three types of surfaces compared to the normal one. Besides, we also found that the magnetic field will noticeably affect their adhesion performance. Generally, the 2L-MAE’s adhesion will increase with the external magnetic field. When the contact surface is an iron sheet, the material adhesion will be reduced by the magnetic field.

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Abdelaziz, Khalid M., Ahmed M. Hassan e J. S. Hodges. "Reproducibility of sterilized rubber impressions". Brazilian Dental Journal 15, n.º 3 (dezembro de 2004): 209–13. http://dx.doi.org/10.1590/s0103-64402004000300009.

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Impressions, dentures and other dental appliances may be contaminated with oral micro-flora or other organisms of varying pathogenicity from patient's saliva and blood. Several approaches have been tried to control the transmission of infectious organisms via dental impressions and because disinfection is less effective and has several drawbacks for impression characterization, several sterilization methods have been suggested. This study evaluated the reproducibility of rubber impressions after sterilization by different methods. Dimensional accuracy and wettability of two rubber impression materials (vinyl polysiloxane and polyether) were evaluated after sterilization by each of three well-known methods (immersion in 2% glutaraldehyde for 10 h, autoclaving and microwave radiation). Non-sterilized impressions served as control. The effect of the tray material on impression accuracy and the effect of topical surfactant on the wettability were also evaluated. One-way ANOVA with Dunnett's method was used for statistical analysis. All sterilizing methods reduced the reproducibility of rubber impressions, although not always significantly. Microwave sterilization had a small effect on both accuracy and wettability. The greater effects of the other methods could usually be overcome by using ceramic trays and by spraying impression surfaces with surfactant before pouring the gypsum mix. There was one exception: glutaraldehyde still degraded dimensional accuracy even with ceramic trays and surfactant. We conclude that a) sterilization of rubber impressions made on acrylic trays was usually associated with a degree of dimensional change; b) microwave energy seems to be a suitable technique for sterilizing rubber impressions; c) topical surfactant application helped restore wettability of sterilized impressions.

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Waskitho, Arief, Erwan Sugiatno e Titik Ismiyati. "Protesa Mata: Rehabilitasi Pasien". Majalah Kedokteran Gigi Indonesia 20, n.º 2 (1 de dezembro de 2015): 178. http://dx.doi.org/10.22146/majkedgiind.7957.

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Kasus kehilangan bola mata dapat menimbulkan masalah fungsi, psikis, dan estetik. Salah satu perawatan rehabilitatif pada kasus ini adalah dengan protesa mata. Tujuan pembuatan protesa mata adalah untuk mempercepat penyembuhan fisik dan psikis serta memperbaiki estetik. Pasien laki-laki usia 50 tahun datang ke klinik Prostodonsia RSGM Prof. Soedomo FKG UGM dengan kondisi kehilangan mata sebelah kanan akibat trauma 3 tahun yang lalu.Pemeriksaan soket mata menunjukkan konjungtiva yang sehat dan tidak terdapat infeksi. Rencana perawatan adalah pembuatan protesa mata non fabricated berbahan resin akrilik. Prosedur perawatan dilakukan dengan tahap-tahap yaitu pencetakan mata dengan sendok cetak mata perorangan dan pengisian hasil cetakan dilakukan 2 tahap. Pembuatan model malam sklera, mencoba pola malam sklera, membuat sklera akrilik, mencoba sklera akrilik, dan penentuan lokasi dan diameter iris, melukis iris dan pupil, penyelesaian protesa mata, serta insersi protesa mata, pemeriksaan yang perlu dilakukan adalah retensi, stabilisasi, dan kenyamanan protesa mata. Kontrol setelah 1 minggu protesa mata menunjukkan hasil yang baik, tidak ada keluhan rasa sakit, dan tidak ada peradangan. Pasien lebih percaya diri dan nyaman dengan protesa mata ini karena bentuknya sesuai soket mata. Pemakaian protesa mata dapat meningkatkan kepercayaan diri pasien sehingga dapat diterima dalam kehidupan sosial bermasyarakat. Ocular Prosthesis: Patient Rehabilitation. The loss of eyeballs may lead to problems in function, psychology, and aesthetics. One of rehabilitative treatments for this case is by making prosthesis eyes. The purpose of this treatment is to heal the physical and psychological function quickly and to fix the aesthetics. A 50-year-old male patient who came to RSGM Prof. Soedomo FKG UGM’s Prostodontia Clinic complained that he lost his right eye because of traumatic injury 3 years ago. After checking the eye socket up, it was found that his conjunctiva lining was healthy, and there was no infection. The treatment plan was to make non-fabricated ocular prosthesis from acrylic resin. For the treatment procedure, the steps are as follow: minting the individual eye by using minted spoon and pouring the minting result of the eye by two phases; making the model of wax sclera followed by trying on the wax sclera pattern to the patient eye socket and making an acrylic version of sclera followed by trying on the acrylic sclera to the eye socket, and then determining the location and iris diameter to draw the iris and pupil. The finishing process of the eye prosthesis is by inserting the eye prosthesis to the patient eye socket. The checkup is needed to know the retention, stabilization and fitting the eye prosthesis. After medical check-up during a week, the eye prosthesis showed the good result, absence of pain and inflammation. The patient was more confident psychologically and comfortable using this eye prosthesis because the shape was compatible with the eye socket. Using eye prosthesis can improve the patients’ confidence as they can be accepted in social life.

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Narwani, Shweta, Naveen S. Yadav, Puja Hazari, Vrinda Saxena, Abdulrahman H. Alzahrani, Ahmed Alamoudi, Bassam Zidane et al. "Comparison of Tensile Bond Strength of Fixed-Fixed Versus Cantilever Single- and Double-Abutted Resin-Bonded Bridges Dental Prosthesis". Materials 15, n.º 16 (19 de agosto de 2022): 5744. http://dx.doi.org/10.3390/ma15165744.

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Resin-bonded fixed dental prostheses (RBFDP) are minimally invasive alternatives to traditional full-coverage fixed partial dentures as they rely on resin cements for retention. This study compared and evaluated the tensile bond strength of three different resin-bonded bridge designs, namely, three-unit fixed-fixed, two-unit cantilever single abutment, and three-unit cantilever double-abutted resin-bonded bridge. Furthermore, the study attempted to compare the tensile bond strengths of the Maryland and Rochette types of resin-bonded bridges. Based on the inclusion and exclusion criteria, a total of seventy-five extracted maxillary incisors were collected and later were mounted on the acrylic blocks. Three distinct resin-bonded metal frameworks were designed: three-unit fixed-fixed (n = 30), two-unit cantilever single abutment (n = 30), and a three-unit cantilever double abutment (n = 30). The main groups were further divided into two subgroups based on the retainer design such as Rochette and Maryland. The different prosthesis designs were cemented to the prepared teeth. Later, abutment preparations were made on all specimens keeping the preparation as minimally invasive and esthetic oriented. Impression of the preparations were made using polyvinyl siloxane impression material, followed by pouring cast using die stone. A U-shaped handle of 1.5 mm diameter sprue wax with a 3 mm hole in between was attached to the occlusal surface of each pattern. The wax patterns were sprued and cast in a cobalt–chromium alloy. The castings were cleaned by sandblasting, followed by finishing and polishing. Lastly, based on the study group, specimens for Rochette bridge were perforated to provide mechanical retention between resin cement and metal, whereas the remaining 15 specimens were sandblasted on the palatal side to provide mechanical retention (Maryland bridge). In order to evaluate the tensile bond strength, the specimens were subjected to tensile forces on a universal testing machine with a uniform crosshead speed. The fixed-fixed partial prosthesis proved superior to both cantilever designs, whereas the single abutment cantilever design showed the lowest tensile bond strength. Maryland bridges uniformly showed higher bond strengths across all framework designs. Within the limitations of this study, the three-unit fixed-fixed design and Maryland bridges had greater bond strengths, implying that they may demonstrate lower clinical failure than cantilever designs and Rochette bridges.

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Teses / dissertações sobre o assunto "Acrylic Pouring"

TSAI, HUI-YI, e 蔡惠伊. "An example of art therapies - Creation of an abstract acrylic pouring painting with the flow effect of the cell shapes". Thesis, 2019. http://ndltd.ncl.edu.tw/handle/m9554z.

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碩士
東方設計大學
文化創意設計研究所
107
Modern people are all living under a highly stressful environment. Stress may cause negative influences on the people physiologically and psychologically, later on, it may damage the health of the people. Recently, the population visiting the psychosomatic clinics to seek for help is increasing which has reflected the people being bothered by those issues in terms of their daily lives. Creating art may upgrade the self-awareness and emotional balance; moreover, it’s a kind of communication to let off steam instead of speaking out and get rid of the strong feelings deep down in mind to reach a satisfying and harmonious status of mind. Creating art possesses the energy of healing; it is a trip to explore ego and is one of the channels to communicate with the outer world. The process of creating art is a kind of process of healing. When people creating art, it may help for stress relieving and for both the physiologically and psychologically healing. While the paints flowing, the fast moving of flow may produce cell like shapes; as the cells mean the regeneration so it means the endless power of life to bring the life energy to heal. Through the abstract art creating to creat the pouring paintings, the objective of art healing may be achieved. The artworks created with pouring paintings may naturally produce many cell like shapes in different sizes and layers, also, the shapes of the cells can be changed and stretched while the paints flowing. Therefore, many different art pieces may be created by different colors and mixed colors in different proportions. All the art pieces are the reflections of fun and power of life. And all the art pieces are unique. Pouring paintings are the abstract expressions with bold imaginations and unlimited amazing power behind. Pouring paintings can also be created with a subjective topic through the naturally produced cells with some special ideas to become some unforgettable and eye catching art pieces. The materials used for pouring paintings possess enriched adhesion and acrylic paints are very colorful so they can extend to be applied on the creations of various aspects. Pouring paintings may be created by applying different techniques and combining some attractive factors to transform into different creative artworks. All these features may be provided for the related researchers and artists as their references. It’s expected to benefit to the similar creative art pieces in the future. This artwork is created to promote a new and fast aesthetic to rebuild the nature of joy brought by life. It’s not just the feelings of the creator, it’s a piece to be introduced to the general public to allow the people involving in or contacting the pouring paintings to expert the joy and happy atmosphere. Therefore, more people can be benefited from the involvement to find back their enthusiasm and hope for lives.

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Livros sobre o assunto "Acrylic Pouring"

Kelley, Carrie. Acrylic Pouring Logbook and Journal: A Notebook to Record Your Painting Projects. USA: Carrie Kelley, 2023.

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LOUIS, Gerald. Acrylic Pouring Guide: Complete Hand Book to Acrylic Pouring. Independently Published, 2022.

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Zella, Jerrold. Keys to Master Acrylic Pouring : Beginners Guide and Painting Techniques for Acrylic Paint Pouring: Stencils for Acrylic Pouring. Independently Published, 2021.

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Barrasa, Latonia. Guidebook on Acrylic Pouring : Fluid Painting Projects and Creative Techniques for Acrylic Paint: Acrylic Pouring Kits. Independently Published, 2021.

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Green, Kate. My Acrylic Pouring Journal: A Journal for Tracking Your Own Acrylic Pouring Projects, and for Following Your Favorite YouTube Acrylic Pouring Artists. Independently Published, 2020.

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Howard, Micheal. ACRYLIC POURING TIPS FOR BEGINNERS: A Pictorial Guide On Getting Started With Acrylic Pouring. Independently published, 2019.

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Cott, Ella. Acrylic Pouring Projects for Beginners: Step by Step Beginners Guide to Acrylic Pouring Projects. Independently Published, 2019.

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Cruz, Jennifer. Acrylic Pouring Projects : Master the Art of Acrylic Pouring: 50 DIY Tutorials for Beginners. Independently Published, 2019.

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Cruz, Jennifer. Acrylic Pouring for Beginners : Step by Step Guide to Acrylic Pouring: All You Should Know. Independently Published, 2019.

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RYAN, Jerome. Acrylic Pouring for Beginners: Acrylic Pouring Instructions, Techniques, Setup, Supplies, Techniques, Consistency and Mixing Hints. Independently Published, 2022.

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Trabalhos de conferências sobre o assunto "Acrylic Pouring"

Pillers, Roy A., e Theodore J. Heindel. "Backlit Imaging of a Circular Plunging Jet With Floor Interactions". In ASME 2020 Fluids Engineering Division Summer Meeting collocated with the ASME 2020 Heat Transfer Summer Conference and the ASME 2020 18th International Conference on Nanochannels, Microchannels, and Minichannels. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/fedsm2020-20040.

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Abstract Plunging jets occur when a liquid stream enters a slower moving or stationary liquid body after first passing through a gaseous region. The most commonly studied plunging jet structure is that of water entering water. Plunging jets have been studied in order to understand and model mixing and transport from the atmosphere into the liquid. Shear forces at the edge of the jet cause air entrainment both in the free jet and at the impact point on the pool surface. Plunging jet applications range from large scale environments, such as ocean waves, waterfalls, wastewater treatment, and dams, to small scale environments, such as liquid-gas fuel mixing, mineral separation, and molten metal pouring. The majority of the literature today involve facilities designed to approximate an infinite liquid pool; few of these studies take into account the compression effects prevalent in several of the real systems. Therefore, a tank has been developed for the visualization of plunging jet flows with varying pool depth. This study involved the creation of a 32 cm by 32 cm, 91.4 cm deep rectangular acrylic tank with an interior adjustable acrylic bottom for the visualization of plunging jet flows with bottom compression effects. The pool height was held constant using a secondary tank with an overflow weir. In this study high-speed backlit images were taken of the plunging jet region. Preliminary results indicate that there is a significant change in both the shape and estimated entrained air volume when the plunging jet is subjected to compression effects. This is attributed to the plate spreading the bubble plume and allowing for easier bubble rise.

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