Journal
IMPLANT DENTISTRY
Volume 24, Issue 5, Pages 505-516Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/ID.0000000000000298
Keywords
dental implants; bruxism; implant failure rate; meta-analysis
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Funding
- CNPq, Conselho Nacional de Desenvolvimento Cientifico e Tecnologico, Brazil
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Purpose:To test the null hypothesis of no difference in the implant failure rates, postoperative infection, and marginal bone loss after the insertion of dental implants in bruxers compared with the insertion in non-bruxers against the alternative hypothesis of a difference.Methods:An electronic search was undertaken in June 2014. Eligibility criteria included clinical studies, either randomized or not.Results:Ten publications were included with a total of 760 implants inserted in bruxers (49 failures; 6.45%) and 2989 in non-bruxers (109 failures; 3.65%). Due to lack of information, meta-analyses for the outcomes postoperative infection and marginal bone loss were not possible. A risk ratio of 2.93 was found (95% confidence interval, 1.48-5.81; P = 0.002).Conclusions:These results cannot suggest that the insertion of dental implants in bruxers affects the implant failure rates due to a limited number of published studies, all characterized by a low level of specificity, and most of them deal with a limited number of cases without a control group. Therefore, the real effect of bruxing habits on the osseointegration and survival of endosteal dental implants is still not well established.
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