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:: دوره 3، شماره 3 - ( 5-1397 ) ::
جلد 3 شماره 3 صفحات 42-48 برگشت به فهرست نسخه ها
Effect of GapSeal® as a Sealing Material on Microgap and Microleakage at External Hexagon Implant Connections Following Cyclic Loading: An In Vitro Study
چکیده:   (90 مشاهده)
Background and Aim: The mismatch of the implant-abutment connection can produce instant stress and microleakage which result in mechanical and biological complications. This study aimed to investigate the influence of GapSeal® as a sealing material on the extent of microgap and microleakage at the external hexagon implant platform following cyclic loading.
Materials and Methods: Sixteen implants with an external-hexagon connection (BioHorizons External dental implant) were employed in this in-vitro experimental study. All implant-abutment sets were assigned to two groups and were molded in acrylic resins. GapSeal® was injected into the implants in the experimental (test) group. Then, implant assemblies were tightened with the torque of 30 N/cm, and 1200,000 loading cycles with the force of 100 N and the frequency of 1 Hz were applied. Every sample was immersed in a methylene blue dye to evaluate microleakage. Microgap was measured in six regions randomly using a scanning electron microscope (SEM). The data were entered into SPSS 22 and were analyzed using t-test.
Results: The mean±SD microgap was 0.87±0.35 µm and 3.43±1.61 µm in the test and control groups, respectively. Methylene blue dye was observed in all of the specimens of the control group, while no liquid was seen in the test group. A significant statistical difference was found between the groups regarding the microgap and microleakage (P<0.0001).
Conclusion: Application of GapSeal® reduced the dimension of the microgap and decreased microleakage at the implant-abutment interface.
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نوع مطالعه: Original article | موضوع مقاله: Dental implant
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Zarbakhsh A, Mazaheri Tehrani A, Shamshirgar F, Khosroshahi H. Effect of GapSeal® as a Sealing Material on Microgap and Microleakage at External Hexagon Implant Connections Following Cyclic Loading: An In Vitro Study. J Res Dentomaxillofac Sci. 2018; 3 (3) :42-48
URL: http://jrdms.dentaliau.ac.ir/article-1-216-fa.html

Effect of GapSeal® as a Sealing Material on Microgap and Microleakage at External Hexagon Implant Connections Following Cyclic Loading: An In Vitro Study. . 1397; 3 (3) :42-48

URL: http://jrdms.dentaliau.ac.ir/article-1-216-fa.html



دوره 3، شماره 3 - ( 5-1397 ) برگشت به فهرست نسخه ها
Journal of Research in Dental and Maxillofacial Sciences
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