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. 2018 Apr-Jun;12(2):242-246.
doi: 10.4103/ejd.ejd_63_18.

A comparison of microleakage in self-etch fissure sealants and conventional fissure sealants with total-etch or self-etch adhesive systems

Azam Nahvi  1 , Alireza Razavian  2 , Hoorieh Abedi  3 , Jamshid Yazdani Charati  4
Affiliations

A comparison of microleakage in self-etch fissure sealants and conventional fissure sealants with total-etch or self-etch adhesive systems

Azam Nahvi et al. Eur J Dent. 2018 Apr-Jun.

Abstract

Objective: The present study was conducted to compare microleakage in self-etching fissure sealants and conventional fissure sealants with total-etch or self-etch adhesive systems.

Settings and design: This experimental in vitro study was conducted on 60 healthy third molars extracted from humans. The first group received Acid etch + Clinpro sealant, the second group received Acid etch + Single bond 2 + Clinpro sealant, the third group received Single bond universal (self-etching bonding) + Clinpro sealant, and the fourth group received prevent seal self-etching sealant.

Materials and methods: An incision was made on the teeth after they were immersed in methylene blue 5%. The samples were then examined under a stereomicroscope and the dye penetration rate was measured based on the Williams and Winter criteria.

Statistical analysis used: The Kruskal-Wallis and Mann-Whitney tests were used for data analysis in SPSS-18 (P < 0.05).

Results: Group 1 which was treated with the conventional technique (acid + fissure sealant) had the highest rate of microleakage compared to Groups 2 and 3 (P < 0.001).

Conclusion: The results showed that the use of bonding results in a significant reduction in the microleakage of fissure sealants. The microleakage caused when using self-etch fissure sealant was not different from that caused by the use of the conventional method.

Keywords: Bonding; fissure sealant; microleakage.

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Conflict of interest statement

There are no conflicts of interest.

Figures

Figure 1
Figure 1
Comparative illustration of the groups as follows: Grade 0: no dye penetration between the tooth surface and the sealant, Grade 1: dye penetration into less than one-third of the entire length of the surface between the sealant and the tooth structure, Grade 2: dye penetration into one-third to two-thirds of the entire length of the surface between the sealant and the tooth structure, and Grade 3: dye penetration into more than two-thirds of the entire length of the surface between the sealant and the tooth structure
See this image and copyright information in PMC

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