Comparison of six different methods of cleaning and preparing occlusal fissure surface before placement of pit and fissure sealant: an in vitro study

Journal of the Indian Society of Pedodontics and Preventive Dentistry
A Agrawal, A Shigli

Abstract

The purpose of this in vitro study was to evaluate and compare the microleakage of pit and fissure sealants after using six different preparation techniques: (a) brush, (b) pumice slurry application, (c) bur, (d) air polishing, (e) air abrasion, and (f) longer etching time. The study was conducted on 60 caries-free first premolars extracted for orthodontic purpose. These teeth were randomly assigned to six groups of 10 teeth each. Teeth were prepared using one of six occlusal surface treatments prior to placement of Clinpro" 3M ESPE light-cured sealant. The teeth were thermocycled for 500 cycles and stored in 0.9% normal saline. Teeth were sealed apically and coated with nail varnish 1 mm from the margin and stained in 1% methylene blue for 24 hours. Each tooth was divided buccolingually parallel to the long axis of the tooth, yielding two sections per tooth for analysis. The surfaces were scored from 0 to 2 for the extent of microleakage. Results obtained for microleakage were analyzed by using t-tests at sectional level and chi-square test and analysis of variance (ANOVA) at the group level. The results of round bur group were significantly superior when compared to all other groups. The application of air polishing and air a...Continue Reading

Citations

Apr 16, 2016·Journal of the Indian Society of Pedodontics and Preventive Dentistry·Rahul J Hegde, Rochelle C Coutinho
Aug 12, 2014·Restorative Dentistry & Endodontics·Mahtab MemarpourBahareh Shayeghi

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