期刊
JOURNAL OF DENTISTRY
卷 43, 期 7, 页码 777-788出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.jdent.2015.02.017
关键词
Enamel bevelling; Cervical lesions; Systematic review; Randomised clinical trials; Composite restorations
资金
- National Council for Scientific and Technological Development from Brazilian Government [304105/2013-9, 301891/2010-9]
Objectives: To identify if enamel bevelling, compared to no treatment, improves the retention rates and marginal discolouration of cervical composite restorations in non-carious cervical lesions (NCCLs) of adult patients, through a systematic review of the literature and meta-analysis. Sources: MEDLINE, Scopus, Web of Science, LILACS, BBO Library, Cochrane Library and SIGLE were searched without restrictions, as well as the abstracts of the annual conference of the IADR and the trials registry. Dissertations and theses were searched using the ProQuest Dissertations and Periodicos Capes Theses databases. Study selection: We included randomised clinical trials (RCTs) that compared the retention rates restorations in NCCLs placed with or without bevel with at least 1-year follow-up. The risk of bias tool of the Cochrane Collaboration was used for quality assessment. Data: After duplicate removal, 1356 articles were identified. After abstract screening, 14 studies remained and this number was reduced to four after examination of the full-texts. Only two were considered to have a 'low' risk of bias. The overall risk difference was 0.0 (95% CI -0.04 to 0.04) for the retention rate (p = 0.91) and 0.05 (-0.02 to 0.13) for the marginal discolouration (p = 0.17). Conclusions: No superiority of bevelled restorations was observed in the short-term follow-up of 1-year, although this conclusion was based on only two RCTs. There is not enough evidence to support the bevelled technique over non-bevelled for NCCLs over longer periods of time. Better standardization and reporting of RCTs of enamel bevelling are necessary in longer-term follow-ups. Clinical significance: The literature still lacks a body of evidence to support the benefits of enamel bevel over non-bevelled for longer-term follow-ups, and future randomised clinical trials with low risk of bias should be conducted. (C) 2015 Elsevier Ltd. All rights reserved.
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