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Статті в журналах з теми "Resin"

Автор: Grafiati

Опубліковано: 4 червня 2021

Оновлено: 25 травня 2024

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1

Talango, Novriyanti, and Wawan Rauf. "ANALISIS KEKUATAN TARIK MATERIAL KOMPOSIT BERBAHAN SERAT BAMBU MAYAM." JURNAL SIMETRIK 13, no. 2 (January 18, 2024): 729–33. http://dx.doi.org/10.31959/js.v13i2.1897.

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Penelitian ini bertujuan mengetahuai kekuatan tarik dari bahan komposit serat bambu mayan dengan matriks polyester resing dan epoxy resing, serta katalis sebagai matriks atau pengikat dari serat bambu mayan (gigatochloa robusta) dengan perbandingan resin 90% dan 10% serat bambu mayan serta 80% resin dan 20% serat bambu mayan. Hasil Pengujian menunjukan kuat tarik komposit serat bambu mayan dengan perbandingan resin epoxy dan serat bambu 90:10 memiliki nilai rata-rata 44.79 N/mm2, sedangkan pada perbandingan 80:20 memiliki nilai rata-rata sebesar 50.01 N/mm2.. Hasil uji tarik dengan perbandingan 90:10 resin polyester dan serat bambu memiliki nilai rata-rata 51.3 N/mm2 dan pada perbandingan 80:20 memiliki nilai rata-rata sebesar 82.29 N/mm2. Perbedaan hasil tegangan dan regangan pada nilai rata-rata kuat tarik karena dua resin yang digunakan memiliki densitas dan sifat yang berbeda. pencampuran resin epoxy dan hardener perbandingan 3:1 dengan grade viksikositas encer menghasilkan sifat yang ulet. Pencampuran resin polyester 450 gr dan jumlah katalis 3 tetes dengan grade viksikositas kental menghasilkan sifat yang getas.

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2

Patel, Hasmukh S., and Amel Muhson Naji. "Novel unsaturated polyester resins based on (maleated cyclohexanone-formaldehyde resin)-(epoxy resin) condensation." International Journal of Plastics Technology 14, no. 1 (June 2010): 17–37. http://dx.doi.org/10.1007/s12588-010-0012-4.

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3

Sanclimens, Glòria, Laia Crespo, Miquel Pons, Ernest Giralt, Fernando Albericio, and Miriam Royo. "Saturated resins or stress of the resin." Tetrahedron Letters 44, no. 9 (February 2003): 1751–54. http://dx.doi.org/10.1016/s0040-4039(03)00109-6.

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4

Pokonova, Yu V. "Resins and asphaltenes–modifiers for epoxy resin." Chemistry and Technology of Fuels and Oils 43, no. 2 (March 2007): 135–39. http://dx.doi.org/10.1007/s10553-007-0026-6.

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5

Thompson, Kim A., and Dennis G. Hall. "Resin-to-resin Petasis borono-Mannich reaction between dialkylamino resins and supported boronic acids." Chemical Communications, no. 23 (2000): 2379–80. http://dx.doi.org/10.1039/b006279k.

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6

Hoshi, Ikuo. "Phenol-formaldehyde resin/epoxy resin." Kobunshi 37, no. 11 (1988): 824–25. http://dx.doi.org/10.1295/kobunshi.37.824.

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7

Watts, David C. "Resin composite or composite resin?" Dental Materials 36, no. 9 (September 2020): 1115. http://dx.doi.org/10.1016/j.dental.2020.07.002.

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8

MUSTATA, FANICA, and IOAN BICU. "Epoxy aniline formaldehyde resins modified with resin acids." Polimery 46, no. 07/08 (July 2001): 534–39. http://dx.doi.org/10.14314/polimery.2001.534.

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9

Robertson, Frank C. "Resin transfer moulding of aerospace resins—a review." British Polymer Journal 20, no. 5 (1988): 417–29. http://dx.doi.org/10.1002/pi.4980200506.

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10

Celik, Cigdem, Sevi Burcak Cehreli, and Neslihan Arhun. "Resin composite repair: Quantitative microleakage evaluation of resin-resin and resin-tooth interfaces with different surface treatments." European Journal of Dentistry 09, no. 01 (January 2015): 092–99. http://dx.doi.org/10.4103/1305-7456.149652.

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ABSTRACT Objective: The aim was to evaluate the effect of different adhesive systems and surface treatments on the integrity of resin-resin and resin-tooth interfaces after partial removal of preexisting resin composites using quantitative image analysis for microleakage testing protocol. Materials and Methods: A total of 80 human molar teeth were restored with either of the resin composites (Filtek Z250/GrandioSO) occlusally. The teeth were thermocycled (1000×). Mesial and distal 1/3 parts of the restorations were removed out leaving only middle part. One side of the cavity was finished with course diamond bur and the other was air-abraded with 50 μm Al2O3. They were randomly divided into four groups (n = 10) to receive: Group 1: Adper Single Bond 2; Group 2: All Bond 3; Group 3: ClearfilSE; Group 4: BeautiBond, before being repaired with the same resin composite (Filtek Z250). The specimens were re-thermocycled (1000×), sealed with nail varnish, stained with 0.5% basic fuchsin, sectioned mesiodistally and photographed digitally. The extent of dye penetration was measured by image analysis software (ImageJ) for both bur-finished and air-abraded surfaces at resin-tooth and resin-resin interfaces. The data were analyzed statistically. Results: BeautiBond exhibited the most microleakage at every site. Irrespective of adhesive and initial composite type, air-abrasion showed less microleakage except for BeautiBond. The type of initial repaired restorative material did not affect the microleakage. BeautiBond adhesive may not be preferred in resin composite repair in terms of microleakage prevention. Conclusions: Surface treatment with air-abrasion produced the lowest microleakage scores, independent of the adhesive systems and the pre-existing resin composite type. Pre-existing composite type does not affect the microleakage issue. All-in-one adhesive resin (BeautiBond) may not be preferred in resin composite repair in terms of microleakage prevention.

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11

Guggenbühl, Simon, Abdulmonem Alshihri, Nadin Al-Haj Husain, and Mutlu Özcan. "Adhesion of Resin-Resin and Resin–Lithium Disilicate Ceramic: A Methodological Assessment." Materials 14, no. 14 (July 11, 2021): 3870. http://dx.doi.org/10.3390/ma14143870.

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The aim of this study was to evaluate four test methods on the adhesion of resin composite to resin composite, and resin composite to glass ceramic. Resin composite specimens (N = 180, Quadrant Universal LC) were obtained and distributed randomly to test the adhesion of resin composite material and to ceramic materials (IPS e.max CAD) using one of the four following tests: (a) Macroshear SBT: (n = 30), (b) macrotensile TBT: (n = 30), (c) microshear µSBT: (n = 30) and (d) microtensile µTBT test (n = 6, composite-composite:216 sticks, ceramic-composite:216 sticks). Bonded specimens were stored for 24 h at 23 °C. Bond strength values were measured using a universal testing machine (1 mm/min), and failure types were analysed after debonding. Data were analysed using Univariate and Tukey’s, Bonneferroni post hoc test (α = 0.05). Two-parameter Weibull modulus, scale (m), and shape (0) were calculated. Test method and substrate type significantly affected the bond strength results, as well as their interaction term (p < 0.05). Resin composite to resin composite adhesion using SBT (24.4 ± 5)a, TBT (16.1 ± 4.4)b and µSBT (20.6 ± 7.4)a,b test methods presented significantly lower mean bond values (MPa), compared to µTBT (36.7 ± 8.9)b (p < 0.05). When testing adhesion of glass ceramics to resin composite, µSBT (6.6 ± 1)B showed the lowest and µTBT (24.8 ± 7)C,D the highest test values (MPa) (SBT (14.6 ± 5)A,D and TBT (19.9 ± 5)A,B) (p < 0.05). Resin composite adhesion to ceramic vs. resin composite did show significant difference for the test methods SBT and µTBT (resin composite (24.4 ± 5; 36.7 ± 9 MPa) vs. glass ceramic (14.6 ± 5; 25 ± 7 MPa)) (p > 0.05). Among substrate–test combinations, Weibull distribution presented the highest shape values for ceramic–resin in µSBT (7.6) and resin–resin in µSBT (5.7). Cohesive failures in resin–resin bond were most frequently observed in SBT (87%), followed by TBT (50%) and µSBT (50%), while mixed failures occurred mostly in ceramic–resin bonds in the SBT (100%), TBT (90%), and µSBT (90%) test types. According to Weibull modulus, failure types, and bond strength, µTBT tests might be more reliable for testing resin-based composites adhesion to resin, while µSBT might be more suitable for adhesion testing of resin-based composites to ceramic materials.

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12

Al-Haj Husain, N., A. Alshihri, and M. Özcan. "Adhesion of resin–resin and resin–lithium-disilicate ceramic: A methodological assessment." Dental Materials 33 (2017): e61-e62. http://dx.doi.org/10.1016/j.dental.2017.08.122.

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13

Bayraktar, Ezgi T., Pinar Y. Atali, Bora Korkut, Ezgi G. Kesimli, Bilge Tarcin, and Cafer Turkmen. "Effect of Modeling Resins on Microhardness of Resin Composites." European Journal of Dentistry 15, no. 03 (May 26, 2021): 481–87. http://dx.doi.org/10.1055/s-0041-1725577.

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Abstract Objectives This study was aimed to determine the effects of modeling resins on the surface microhardness of composites. Materials and Methods Six resin-based composites (Charisma Smart, Estellite Asteria, CeramX-One SphereTEC, Admira Fusion, Filtek Ultimate, and Clearfil Majesty Es-2) and three wetting agents (Modeling Liquid, Composite Primer, and Modeling Resin) were investigated. In all, 240 specimens were prepared, and wetting agents were applied prior to light curing in the experimental groups. After 24 hours, specimens were polished and Vickers microhardness (VHN) values were measured. Statistical Analysis Shapiro–Wilk and two-way analysis of variance (ANOVA) were used for analyses (p < 0.05). Results Both modeling resin and composites were determined to be effective factors (p < 0.001). The control group showed the highest VHN (70.37 ± 7.94), followed by Modeling Liquid (64.68 ± 12.07), Composite Primer (59.84 ± 6.33), and Modeling Resin (58 ± 3.52b; p < 0.001). Filtek Ultimate showed the highest VHN (76.62 ± 9.78c), whereas Charisma Smart (58.87 ± 7.95), and Clearfil Majesty (67.27 ± 2.58) showed the lowest (p < 0.001). Clearfil Majesty–Modeling Liquid (46.62 ± 5.33) and Charisma Smart–Composite Primer (50.81 ± 0.39) combinations showed the lowest VHN, whereas Filtek Ultimate–control (87.15 ± 2.12) and Filtek Ultimate–Modeling Liquid (84.24 ± 3.11) showed the highest (p < 0.001). Conclusion All tested modeling resins decreased VHN value, and the amount of reduction varied among composites and wetting agents. It might be safer not to use wetting agents unless they are necessary.

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14

Kittichaisri, Apiruck. "Development of resin monomers in resin composites." Chulalongkorn University Dental Journal 35, no. 1 (January 2012): 65–78. http://dx.doi.org/10.58837/chula.cudj.35.1.6.

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15

ISHII, Toshiaki, Shuji EGUCHI, Masatugu OGATA, Teruo KITAMURA, and Hiroshi SUZUKI. "Modification of Epoxy Resins by Resol Type Phenolic Resin." KOBUNSHI RONBUNSHU 49, no. 8 (1992): 671–76. http://dx.doi.org/10.1295/koron.49.671.

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16

Zoumpoulakis, L., and J. Simitzis. "Ion exchange resins from phenol/formaldehyde resin-modified lignin." Polymer International 50, no. 3 (2001): 277–83. http://dx.doi.org/10.1002/pi.621.

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17

Spalding, Mark A., Qian Gou, Xiaofei Sun, and Qing Shi. "The incumbent resin effect for single-screw extrusion of polyethylene resins: The effect of resin changeover on gels in the product." Journal of Plastic Film & Sheeting 34, no. 4 (December 11, 2017): 382–93. http://dx.doi.org/10.1177/8756087917746455.

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Innovative polyethylene films are constantly being developed by switching the existing or incumbent resin with a new or challenger resin. If the extrusion equipment is designed properly, the film with the challenger resin will be acceptable for further testing and marketing. However, if the extrusion equipment is not designed properly, old degraded material from the incumbent resin will be pushed out of the extruder by the challenger resin, contaminating the test film. In many cases, the challenger resin is incorrectly blamed for the gels. This paper describes the incumbent resin effect, presents a case study, and provides technical solutions.

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18

Surekha, B., D. Hanumantha Rao, G. Krishna Mohan Rao, Pandu R. Vundavilli, and M. B. Parappagoudar. "Modeling and Analysis of Resin Bonded Sand Mould System Using Design of Experiments and Central Composite Design." Journal for Manufacturing Science & Production 12, no. 1 (April 1, 2012): 31–50. http://dx.doi.org/10.1515/jmsp-2012-0003.

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AbstractIn this paper an attempt has been made for linear and non linear modeling of resin bonded sand mould system using full factorial design of experiments and response surface methodology, respectively. It is important to note that the quality of castings produced using the resin bonded sand mould system depends largely on properties of moulds, which are influenced by the characteristics of sand, like type of sand, grain fineness number, grain size distribution and quantity and type of resin, catalyst, curing time etc. In the present study, percentage of resin, percentage of hardener, number of strokes and curing time are considered as input parameters and the mould properties, such as compression strength, shear strength, tensile strength and permeability are treated as responses. In the present work, phenol formaldehyde is used as the resin whereas tetrahydrophthalic anhydride as the hardener. A two level full factorial and three level central composite designs are utilized to develop input-output relationships. Surface plots and main effects plots are used to study the effects of amount of resign, amount of hardener, number of strokes and curing time on the responses, namely, compression strength, tensile strength, shear strength and permeability. Moreover, the adequacies of the developed models have been tested using analysis of variance. The prediction accuracy of the developed models have been tested with the help of twenty test cases and found reasonably good accuracy.

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19

G, Gautam. "Enamel demineralization with resin modified gic and conventional composite resin - a comparative in vivo study." Journal of Oral Health and Craniofacial Science 2, no. 3 (2017): 069–79. http://dx.doi.org/10.29328/journal.johcs.1001014.

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20

Koyanagi, Wataru. "Resin Concrete." Concrete Journal 31, no. 4 (1993): 5–13. http://dx.doi.org/10.3151/coj1975.31.4_5.

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21

SAITO, Ryo. "Styrenic Resin." NIPPON GOMU KYOKAISHI 80, no. 8 (2007): 292–96. http://dx.doi.org/10.2324/gomu.80.292.

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22

HIGUCHI, Koichi. "Silicone Resin." Journal of the Japan Society of Colour Material 95, no. 2 (February 20, 2022): 34–38. http://dx.doi.org/10.4011/shikizai.95.34.

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23

HATTORI, Takenao, and Hiroshi SAKAMOTO. "Acrylic Resin." Journal of the Japan Society of Colour Material 64, no. 7 (1991): 471–77. http://dx.doi.org/10.4011/shikizai1937.64.471.

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24

Hamilton, James C. "RESIN RESTORATIONS." Journal of the American Dental Association 128, no. 8 (August 1997): 1062–64. http://dx.doi.org/10.14219/jada.archive.1997.0342.

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25

Fujita, Yasuhiro, and Yoshihisa Ushida. "Thermoplastic resin." Kobunshi 34, no. 5 (1985): 394–97. http://dx.doi.org/10.1295/kobunshi.34.394.

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26

Inoue, Kazuo. "Polyimide resin." Kobunshi 39, no. 2 (1990): 104–5. http://dx.doi.org/10.1295/kobunshi.39.104.

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27

Abemayor, Elie M., Elizabeth H. Weinshel, and David B. Falkenstein. "Resin residue." Gastrointestinal Endoscopy 36, no. 3 (May 1990): 317. http://dx.doi.org/10.1016/s0016-5107(90)71041-3.

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28

Li, Qi, Xiaosheng Liu, Huidong Su, An Mao, and Hui Wan. "Development of a Renewable Hybrid Resin System by Blending Isocyanate with Novolac Phenolic Resins." Forest Products Journal 70, no. 3 (January 1, 2020): 268–74. http://dx.doi.org/10.13073/fpj-d-20-00022.

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Abstract The objective of this study was to develop a performance-competitive bio-based hybrid resin system composed of methylene diphenyl diisocyanate (MDI) resin and novolac phenol-formaldehyde (PF) resin for engineered wood panel manufacturing. A novolac PF resin and a bio-oil–modified PF resin were blended with MDI at weight ratios of PF to MDI of 85:15, 75:25, 50:50, and 25:75, respectively. The obtained hybrid resins were examined with Fourier-transform infrared (FTIR) spectroscopy and thermogravimetric analysis (TGA), and evaluated as plywood binders. The results indicated that the gel times and viscosities of hybrid resins were closely related to the weight ratio of PF resin to MDI. At a ratio lower than 75:25, the viscosities of hybrid resins were appropriate for plywood application. FTIR results showed some reactions between the novolac PF resin and MDI. TGA results showed that reacting novolac PF resin with MDI resin possibly increased the thermal stabilities of hybrid resins in the temperature range of 150°C to 300°C. Panel performance tests showed that blending novolac PF resin with MDI increased both the dry and the wet bonding strength of panels at the optimal ratio of 50:50. Replacing phenol with bio-oil of the hybrid resin had the trend of reducing the hybrid resin gel time and increasing panel dry and wet bonding strength.

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29

AIDA, Masahiro, Hideo KANAYA, Yoshizumi MURATA, Tohru HAYAKAWA, and Kozo HORIE. "Adhesion between the Resin Shell and Composite Resin." Journal of Nihon University School of Dentistry 34, no. 3 (1992): 167–71. http://dx.doi.org/10.2334/josnusd1959.34.167.

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30

Liang, Guozheng, and Dong Wang. "High-performance bismaleimide resin for resin film infusion." Polymer-Plastics Technology and Engineering 41, no. 2 (April 26, 2002): 285–95. http://dx.doi.org/10.1081/ppt-120002569.

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31

Antonucci, V., M. Giordano, L. Nicolais, A. Calabrò, A. Cusano, A. Cutolo, and S. Inserra. "Resin flow monitoring in resin film infusion process." Journal of Materials Processing Technology 143-144 (December 2003): 687–92. http://dx.doi.org/10.1016/s0924-0136(03)00338-8.

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32

Moraes, R. R., L. S. Gonçalves, A. C. Lancellotti, S. Consani, L. Correr-Sobrinho, and M. A. Sinhoreti. "Nanohybrid Resin Composites: Nanofiller Loaded Materials or Traditional Microhybrid Resins?" Operative Dentistry 34, no. 5 (September 1, 2009): 551–57. http://dx.doi.org/10.2341/08-043-l.

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33

Borges, Alessandra Buhler, Carlos Rocha Gomes Torres, Graziela Ribeiro Batista, Eduardo Bresciani, Erica Crastechini, and Rayssa Ferreira Zanatta. "Bond Strength of Reline Resins to Aged-simulated Denture Base Acrylic Resin." World Journal of Dentistry 7, no. 1 (2016): 1–5. http://dx.doi.org/10.5005/jp-journals-10015-1353.

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ABSTRACT Objectives The aim of this study was to evaluate the bond strength of different direct reliners to acrylic resin for denture base. Materials and methods Double-cone specimens were made: HA-heat-cured acrylic resin-(n = 20); U-Ufi Gel Hard C-(n = 10); K: Kooliner-(n = 10); R-Rebase II Fast-(n = 10) and RH-Rebase II Fast + Resin Hardener-(n = 10). Ten HA samples were immediately submitted to cohesive test. The remaining HA samples and others were submitted to thermal aging (HAaged, 1000 cycles, 5.55oC), followed by tensile test. For tensile strength, 50 single cone-shaped samples were made of heat-cured acrylic resin and aged (HAaged, 1000 cycles, 5.55oC). After surface treatment, relining resin cones were build up using silicon molds, and stressed to failure. Values of cohesive and tensile strength were submitted to one-way ANOVA and Tukey's test (α = 5%). Results Bond strength were: HA/HAaged: 21.17 (Â±4.89)a, U/HAaged: 11.56 (Â±1.98)b, R/HAaged: 9.69 (Â±2.37)b, RH/ HAaged: 9.38 (Â±1.78)bc and K/HAaged: 5.98 (Â±1.90)c. The cohesive strength were: KCoe: 22.29(Â±4.06)a; RCoe: 23.99 (Â±3.29)a; RHCoe: 24.84 (Â±3.88)a; UCoe: 25.62 (Â±3.03)a; HAaged: 36.06 (Â±8.65)b and HA:42.29 (Â±7.68)b. Groups followed by the same letters do not show differences. Conclusion Bond strength of acrylic resin to acrylic denture base material is higher than the reliners and Ufi Gel Hard C showed the higher bond strength. How to cite this article Zanatta RF, Batista GR, Crastechini É, Bresciani E, Borges AB, Torres CRG. Bond Strength of Reline Resins to Aged-simulated Denture Base Acrylic Resin. World J Dent 2016;7(1):1-5.

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34

Lim, Na-Kyung, and Soo-Yeon Shin. "Bonding of conventional provisional resin to 3D printed resin: the role of surface treatments and type of repair resins." Journal of Advanced Prosthodontics 12, no. 5 (2020): 322. http://dx.doi.org/10.4047/jap.2020.12.5.322.

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35

Liu, Pin, Xiongmin Liu, Tei Saburi, Shiro Kubota, Pinxian Huang, and Yuji Wada. "Thermal Stability Evaluation of Resin Acids and Rosin Modified Resins." ACS Omega 5, no. 45 (November 3, 2020): 29102–9. http://dx.doi.org/10.1021/acsomega.0c03736.

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36

Hegemann, Günter. "Low viscous unsaturated polyester resin for monomer free UP-resins." Macromolecular Symposia 199, no. 1 (October 2003): 333–42. http://dx.doi.org/10.1002/masy.200350928.

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37

Walraven, G. B., D. A. Cunha, L. C. Souza, V. P. A. Saboia, and N. S. Rodrigues. "Desempenho Clínico de Restaurações Diretas com Resinas Compostas Bulk Fill em Dentes Posteriores: Revisão da Literatura." Journal of Health Sciences 19, no. 5 (February 23, 2018): 93. http://dx.doi.org/10.17921/2447-8938.2017v19n5p93.

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Анотація:

O objetivo do presente trabalho foi realizar uma revisão de literatura avaliando o desempenho clínico de restaurações diretas com resinas compostas bulk fill em comparação com as resinas compostas convencionais. Foi realizada uma seleção de artigos científicos nas bases de dados Pubmed e Periódicos Capes/MEC, utilizando os descritores bulk fill resin composite and clinical evaluation, bulk fill resin composite and clinical study e bulk fill resin composite and clinical trial. Foram encontrados sete artigos científicos, correlacionados com ensaio clínico randomizado, publicados entre os anos de 2014 e 2017, dos quais apenas seis foram selecionados. De acordo com esta revisão, a resina bulk fill de baixa viscosidade se mostrou clinicamente melhor que a resina convencional no período de avaliação clínica de um a três anos, para o critério de retenção. Quando avaliada após cinco anos de acompanhamento clínico, mostrou-se com boa durabilidade, porém estatisticamente semelhante às convencionais. Já as resinas compostas bulk fill de alta viscosidade se mostraram tão eficazes quanto às convencionais de acordo com os critérios USPHS (United States Public Health Service) após 12 meses. Além disso, a técnica de aplicação utilizando a vibração sônica não se mostrou estatisticamente superior. Portanto, a utilização de resinas bulk fill, em restaurações diretas de dentes posteriores, apresentou desempenho clínico satisfatório, além da vantagem do menor tempo clínico requerido.Palavras-chave: Resinas Compostas. Restauração Dentária Permanente. Estudo Clínico.

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Yang, Huanxin, Junjie Shi, Lin Chen, Chunwang Yang, Changzhao Li, Yuxi Huang, and Jian Qiu. "A Study of the Effects of Stimulants on Resin Yield, Resin Duct and Turpentine Chemical Composition in Pinus kesiya var. langbianensis." Forests 15, no. 5 (April 25, 2024): 748. http://dx.doi.org/10.3390/f15050748.

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This study presents a comprehensive examination of Pinus kesiya var. langbianensis (Pinus kesiya var. langbianensis), the primary resin-extraction tree species in Yunnan Province, China. In this study, we formulated different concentration gradients of 0.25%, 0.5%, 1%, and 2% of diquat solution as tapping stimulant to test the effect of different concentrations on the resin gain rate of Pinus kesiya, and analyzed the relationship between anatomical structure, major chemical composition of turpentine and resin yield by methods such as wood anatomy and chemical composition analysis of turpentine. The primary focus of the investigation was on exploring the interrelationships among resin-tapping stimulants, anatomical structures, turpentine components, and resin yield. Research findings demonstrate a significant enhancement in resin production due to the application of stimulants, with the highest increase rate reaching 55% in a specific group, while others achieved approximately 30% increments. Moreover, measurement data about resin duct dimensions indicate a noteworthy increase in resin duct area for the stimulant-treated group compared to the control group. However, it should be noted that the impact on resin duct area by varying stimulant concentrations was relatively minor. Furthermore, continuous observation of resin extraction from different resin-yield classes of P. kesiya revealed insignificant variation in resin yield over time for the low and moderate resin-yield groups. In contrast, the high resin-yield group exhibited a gradual increase in resin production. Interestingly, the high resin-yield group exhibited the smallest resin duct area, but the highest resin duct density, indicating an interconnectedness of resin duct-related data that influences resin yield. Additionally, correlative investigations between anatomical structures and resin yield demonstrate a positive correlation between resin duct area and resin yield, total resin production, and average resin yield. This underscores the importance of resin duct area as a significant factor in resin production. On the other hand, the influence of stimulant concentrations on the turpentine components was found to be negligible. Overall, the correlation results suggest that turpentine components cannot reliably predict or differentiate between high and low resin-yield trees. This study provides a comprehensive analysis of the interrelationships among stimulants, anatomical structures, and turpentine components, offering a theoretical foundation for the resin extraction and resin processing industries in Yunnan Province.

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Cunha, Leonardo Fernandes da, Samantha Schaffer Pugsley Baratto, Carla Castiglia Gonzaga, and Gisele Maria Correr. "Low shrinkage composite resins and occlusal matrix technique: association for direct extensive resin restoration." Revista Odonto Ciência 32, no. 4 (July 25, 2018): 213. http://dx.doi.org/10.15448/1980-6523.2017.4.27253.

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INTRODUCTION: Ensuring adequate occlusal contacts and anatomy shape and form is always a challenge when placing extensive direct posterior composite resin restorations. The use of a correct technique, such as, an occlusal matrix can reproduce occlusal morphology more precisely. Additionally, recently, silorane-based or bulk fill composite resin present low shrinkage and were specifically designed for restoring posterior teeth.CASE REPORT: This report presents the clinical application of a low shrinkage composite resin system with a preoperative occlusal matrix in extensive composite resin restoration of a molar with hypomineralization. Acrylic resin was applied over the waxed tooth to copy the anatomic details. Cavity was prepared and bonding system was applied. Definitive layer in the occlusal matrix was applied and stabilized in position. Once curing was complete, occlusal matrix and resin excess were removed using a surgical blade.CONCLUSION: The application of these materials with occlusal matrix can provide a simpler technical approach, saving time and improving esthetic results.

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SEVMEZ, Hatice, Merve BANKOĞLU GÜNGÖR, and Handan YILMAZ. "Resin Matrix Ceramics." Turkiye Klinikleri Journal of Dental Sciences 25, no. 3 (2019): 351–59. http://dx.doi.org/10.5336/dentalsci.2017-58961.

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MAGALHÃES, Gabriel, Roberto GÓES, and Fernando NASCIMENTO. "A Competência Do Reparo Em Resina Composta." Revista de Odontologia Contemporânea 4, no. 2sup2 (December 17, 2020): 3. http://dx.doi.org/10.31991/v4n2sup22020rocjofpmreparo.

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Introdução: Habitualmente a conduta tradicional ideal para tratar restaurações compostas insatisfatórias seria a substituição, entretanto, reparo em resina coparticipa da concepção odontológica de “intervenção mínima”. Objetivo: Aprofundar no assunto e avaliar desempenho do reparo (com resina composta) no manuseio em restaurações dentárias de resina composta defeituosa. Metodologia: Foi realizado uma busca em artigos na base de dados PubMed no período 2010 a 2019, com as palavras-chaves “composite resin”,“resin repair” e “microleakage dental”. Discussão: O reparo de restaurações parcialmente defeituosas foi extensivamente estudado e está crescendo na rotina clínica como uma abordagem alternativa. Destaca-se por limitar os riscos de lesões pulpares e preservar as estruturas dentais, minimiza apreensão dos pacientes quanto a dor, ansiedade, tempo e custo. Empecilho para um analise mais fluente são as inúmeras variações nas condições de estudo, por exemplo, diferentes condições de envelhecimento ou tratamentos de superfície adesiva. Materiais, marcas, condicionamento e outros vários fatores influenciam no resultado do reparo, contudo, estudos com resultados em acompanhamento sugerem que o reparo apresenta tanta eficácia quanto a substituição total de restaurações de resina com infiltrações. Conclusão: A proporção desse estudo pode levar a influenciar no financiamento dos dentistas na escolha entre a substituição e o reparo das restaurações.

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Wada, Masayuki. "Adsorption of Proteins on Composite Resin and Acrylic Resin." Journal of the Kyushu Dental Society 42, no. 1 (1988): 165–76. http://dx.doi.org/10.2504/kds.42.165.

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URANO, Akihiro, Akihiro WADA, Hiroya YAMAMOTO, and Yoshimichi FUJII. "Ultrasonic Testing of Resin Impregnation in Resin Transfer Molding." Proceedings of Mechanical Engineering Congress, Japan 2019 (2019): J04308P. http://dx.doi.org/10.1299/jsmemecj.2019.j04308p.

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Hooi, P., O. Addison, and G. J. P. Fleming. "Quantifying ceramic resin strengthening by varying the resin elasticity." Dental Materials 25, no. 5 (May 2009): e5. http://dx.doi.org/10.1016/j.dental.2009.01.008.

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Aramaki, O., R. Takahashi, T. Wada, M. Uo, and J. Tagami. "Bonding property of resin cement to composite resin crown." Dental Materials 31 (2015): e21. http://dx.doi.org/10.1016/j.dental.2015.08.049.

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Eiriksson, Sigurdur O., Patricia N. R. Pereira, Edward J. Swift, Harald O. Heymann, and Asgeir Sigurdsson. "Effects of saliva contamination on resin–resin bond strength." Dental Materials 20, no. 1 (January 2004): 37–44. http://dx.doi.org/10.1016/s0109-5641(03)00066-6.

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Eiriksson, S. "Effects of blood contamination on resin–resin bond strength." Dental Materials 20, no. 2 (February 1, 2004): 184–90. http://dx.doi.org/10.1016/s0109-5641(03)00090-3.

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Kimura, Hajime, Keiko Ohtsuka, and Akihiro Matsumoto. "New Thermosetting Resin from Benzoxazine and Cyanate Ester Resin." Advances in Polymer Technology 32, S1 (August 31, 2012): E651—E659. http://dx.doi.org/10.1002/adv.21308.

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Liang, Guozheng, and Dong Wang. "High-performance bismaleimide resin film for resin film infusion." Journal of Applied Polymer Science 81, no. 12 (2001): 2918–22. http://dx.doi.org/10.1002/app.1741.

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El-Sayed, Mohamed S., Omaima H. Gallab, and Farid S. El-Askary. "Resin Composites-to-Resin Based Lining Materials Bond Strength." Ain Shams Dental Journal 21, no. 2 (June 2018): 319–26. http://dx.doi.org/10.12816/0056709.

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