2020•International Journal of Applied PharmaceuticsOpen access

COMPARISON OF VOLUMETRIC SHRINKAGE OF COMPOSITE RESIN NANOCERAMIC AND NANOFILLER

BANI IMRAN MASULILI, Endang Suprastiwi, Dewa Ayu Nyoman Putri Artiningsih, CATERIN NOVISTA

Abstract

Objective: The main cause of failure of composite resin restorations is volumetric shrinkage. The aim of this study was to analyze and comparevolumetric shrinkage in nanohybrid and nanoceramic composite resins.Methods: A total of 32 (3 cm×3 cm× 2 mm) cavities were analyzed for volume using micro-CT. The samples were divided randomly into two groups: 16 cavities that were restored using nanohybrid composite resin and 16 cavities that were restored using nanoceramic composite resin. The composite resin volume was analyzed using micro-CT.Results: The difference in volumetric shrinkage between nanohybrid composite resin 245,866.5 mm3 (3%) and nanoceramic composite resin 3,470,175.13 mm3 (5%) was not significant (p=0.585).Conclusion: Nanohybrid and nanoceramic composite resins have the same volumetric shrinkage rate.

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Key concepts: Nanoceramic, Shrinkage, Composite number, Materials science, Composite material, Volume (thermodynamics), Resin composite, Ceramic