Conversion of a one-step self-etch adhesive into a two-step self-etch adhesive: six-months clinical results in non-carious cervical lesions

Neimar Sartori, Renan Belli, Jackeline Coutinho Guimarães, Silvana Batalha, Sylvio Monteiro Jr, Luiz Narciso Baratieri, Lais Dalmagro Peruchi


PURPOSE: The purpose of this randomized controlled clinical trial was to evaluate the clinical performance of a one-step self-etch adhesive system in non-carious cervical lesions with and without the application of an additional hydrophobic resin coat. MATERIALS AND METHODS: Sixty-four non-carious cervical lesions were selected and randomly assigned to one of the two bonding technique: 1) a one-step self-etch adhesive (Adper Easy Bond, 3M ESPE) was applied following manufacturer´s instructions; 2) a hydrophobic resin coat (Scotchbond Multipurpose Bonding Agent, 3M ESPE) was applied over the uncured Adper Easy Bond adhesive. All lessons were restored using a microhybrid composite resin (Filtek Z250, 3M ESPE). Clinical effectiveness was recorded at baseline and after 6-months of clinical service. RESULTS: Two restorations of each group debonded after a 6-months period. The overall clinical success was 93.8%, and no statistical significant differences could be detected for all evaluated criteria within this period. CONCLUSION: The applications of a hydrophobic resin coat over Easy Bond did not increase bonding effectiveness over a 6-months period.


Clinical trial; Dentin-bonding agents; Non-carious cervical lesions; Dentin sensitivity

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Journal of Research in Dentistry, University of Southern of Santa Catarina, Santa Catarina, ISSN 2317-5907

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