What is an Appropriate Etching Time For Sealant Application on Permanent Molars? Results from a Meta-Analysis.

The journal of adhesive dentistry Pub Date : 2019-01-01 DOI:10.3290/j.jad.a43181

Yi-Fang Lo, A. Crispin, A. Kessler, R. Hickel, J. Kühnisch

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引用次数: 1

Abstract

PURPOSE This meta-analysis investigated the influence of different acid etching times on the retention rate of pit-and-fissure sealants based on clinical trials with a minimum duration of two years. MATERIALS AND METHODS A literature search was carried out in electronic databases along with hand searching to identify clinical trials that evaluated pit-and-fissure sealants in permanent molars. From 1280 identified abstracts, 195 studies were selected for full-text analysis, and 28 studies with 36 test groups were included in this meta-analysis. Test groups with etching times of 15 (n = 3), 20 (n = 2), 30 (n = 10), 40 (n = 1) and 60 s (n = 20) were found. Incidence rates of pit-and-fissure sealant losses were modelled using negative binomial regression. RESULTS The regression analysis did not reveal a significant influence of etching time on the survival of pit-and-fissure sealants based on the identified and included clinical trials. CONCLUSIONS Due to the limited number of clinical data for 15 and 20 s, conclusions regarding very short acid etching times were not possible. On the basis of regression analysis, a minimum of 30-s acid etching might be sufficient prior to fissure sealing.

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在恒磨牙上使用密封胶的合适蚀刻时间是什么时候?meta分析的结果。

目的通过两年以上的临床试验，研究不同酸蚀时间对牙槽沟封闭剂固位率的影响。材料与方法在电子数据库中进行文献检索，同时进行手检索，以确定评估恒磨牙坑沟密封剂的临床试验。从1280篇确定的摘要中，选择195项研究进行全文分析，并将28项研究、36个试验组纳入本荟萃分析。蚀刻次数分别为15 (n = 3)、20 (n = 2)、30 (n = 10)、40 (n = 1)、60 s (n = 20)的试验组。使用负二项回归对坑裂密封剂损失发生率进行建模。结果根据确定的和纳入的临床试验，回归分析未显示蚀刻时间对坑裂封闭剂存活的显着影响。结论由于15 s和20 s的临床资料有限，无法得出酸蚀时间很短的结论。在回归分析的基础上，至少30秒的酸蚀可能足以在裂缝密封之前。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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The journal of adhesive dentistry

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