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Home > Archives > Volume 20, No 11 (2022) > Article

DOI: 10.14704/nq.2022.20.11.NQ66048

An in-vitro evaluation of the effect of preheating of dental composite resin in Class-I Cavity restorations on microleakage using Confocal Laser Scanning Microscopic (CLSM) analysis

Dr.Srikumar G.P.V. ,Dr.GeetaNishad , Dr. R. Shirish Kumar , Dr.ShripriyaRahane, Dr.Anjali Gurnani,Dr.VaishnaviGadbail

Abstract

This study aims to evaluate the effect of preheating of dental composite resin in Class-I Cavity restorations on microleakage using Confocal laser scanning microscopic analysis. 90 extracted human permanent maxillary premolar teeth were included.Class-I cavity preparations were done on the occlusal surfaces of all the teeth with No.245 Tungsten carbide airoterbur in equal dimensions; with the cavity depth of 2 mm, bucco-lingual width of 3 mm and mesio-distal width of 4 mm.All the prepared cavities were then acid etched with 37% phosphoric acid, gently rinsed with waterand air dried. Dentin bonding agent was then applied and light cured for 20 seconds.

Keywords

Confocal laser scanning microscope; Dental composite resin; Dye penetration; Microleakage; Pre-heated resin.

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