COMPARISON EFFECT OF ARTIFICIAL TOOTH TYPE AND CYCLIC LOADING ON THE BOND STRENGTH TO AUTO-POLYMERIZED ACRYLIC DENTURE BASE RESINS

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NEMATOLLAHI FATEMEH; AZIZI NASIM; SHAHABI SIMA; GHAHREMANI LOGHMAN; ASGARI ZOHRE; BAGHERI G HOSSEIN

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Journal: Journal of Dental Medicine Year:2013 | Volume:26 | Issue:2 (75) Page(s): 81-90

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Title

COMPARISON EFFECT OF ARTIFICIAL TOOTH TYPE AND CYCLIC LOADING ON THE BOND STRENGTH TO AUTO-POLYMERIZED ACRYLIC DENTURE BASE RESINS

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RESINQ3

BOND STRENGTHQ2

ARTIFICIAL TEETHQ2

Abstract

Background and Aims: Failure of bonding between ARTIFICIAL TEETH and denture base material is a considerable problem for patients who wear dentures. According to the different impact of ARTIFICIAL TEETH and different information about resistance force of mastication and also with deficiency in researchs, this study was designed to compare the BOND STRENGTH of composite and acrylic ARTIFICIAL TEETH to auto-polymerized denture base RESINs with and without cyclic loading.Materials and Methods: In this experimental and in vitro study, an acrylic RESIN auto-polymerized (Rapid Repair, Dentsply) and four ARTIFICIAL TEETH (Acrylic Marjan new, Composite Glamour teeth and Ivoclar acrylic and composite teeth) were used. Therefore, 8 groups of 10 specimens each were evaluated. All specimens were thermocycled for 5000 cycles, in water baths between 5 and 55oC. Half the specimens in each group were treated with cyclic loading at 50N for 14, 400 cycles at 1.2 Hz.The shear BOND STRENGTHs were measured using a Universal Testing Machine. Data were analyzed using Two-way ANOVA test.Results: Statistical analysis demonstrated no significant effect of cyclic loading on the shear BOND STRENGTH, but the type of artificial tooth affected the shear BOND STRENGTH (P=0.006). Also, the interaction between Cyclic loading and the type of artificial tooth showed no significant difference (P=0.98). Tukey test showed that acrylic teeth (Ivoclar) had statistically higher BOND STRENGTH values than that of other teeth (PGlamour=0.02), (PComposite ivoclar=0.01) and (PMarjan new=0.02).Conclusion: Within the limitation of this study, the predominant type of fracture in all groups was cohesive, therefore the BOND STRENGTH was adequate in all teeth and the type of artificial tooth may influence the BOND STRENGTH of denture teeth to denture base RESIN. Cyclic loading had no significant effect on the BOND STRENGTH of denture teeth to the auto-polymerized acrylic RESIN.

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APA: Copy

NEMATOLLAHI, FATEMEH, AZIZI, NASIM, SHAHABI, SIMA, GHAHREMANI, LOGHMAN, ASGARI, ZOHRE, & BAGHERI G, HOSSEIN. (2013). COMPARISON EFFECT OF ARTIFICIAL TOOTH TYPE AND CYCLIC LOADING ON THE BOND STRENGTH TO AUTO-POLYMERIZED ACRYLIC DENTURE BASE RESINS. JOURNAL OF DENTAL MEDICINE, 26(2 (75)), 81-90. SID. https://sid.ir/paper/25581/en

Vancouver: Copy

NEMATOLLAHI FATEMEH, AZIZI NASIM, SHAHABI SIMA, GHAHREMANI LOGHMAN, ASGARI ZOHRE, BAGHERI G HOSSEIN. COMPARISON EFFECT OF ARTIFICIAL TOOTH TYPE AND CYCLIC LOADING ON THE BOND STRENGTH TO AUTO-POLYMERIZED ACRYLIC DENTURE BASE RESINS. JOURNAL OF DENTAL MEDICINE[Internet]. 2013;26(2 (75)):81-90. Available from: https://sid.ir/paper/25581/en

IEEE: Copy

FATEMEH NEMATOLLAHI, NASIM AZIZI, SIMA SHAHABI, LOGHMAN GHAHREMANI, ZOHRE ASGARI, and HOSSEIN BAGHERI G, “COMPARISON EFFECT OF ARTIFICIAL TOOTH TYPE AND CYCLIC LOADING ON THE BOND STRENGTH TO AUTO-POLYMERIZED ACRYLIC DENTURE BASE RESINS,” JOURNAL OF DENTAL MEDICINE, vol. 26, no. 2 (75), pp. 81–90, 2013, [Online]. Available: https://sid.ir/paper/25581/en

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