Introduction:

Mandibular fractures produce severe comorbidities, functional alterations, changes in the quality of life, among others. There are different surgical alternatives for favorable mandibular angle fractures; the most used is the stabilization techniques using titanium miniplates. There is no consensus on which it is more effective and safe; use one or two titanium miniplates.

Methods:

We searched in Epistemonikos, the largest database of systematic reviews in health, which is maintained by screening multiple information sources, including MEDLINE, EMBASE, Cochrane, among others. We extracted data from the systematic reviews, reanalyzed data of primary studies, conducted a meta-analysis and generated a summary of findings table using the GRADE approach.

Results and conclusions:

We identified seven systematic reviews that included 17 primary studies, in which three were randomized trials. We conclude that stabilization treatment with a titanium miniplate probably reduces the risk of facial paresis. On the other hand, the use of a miniplate could increase the risk of dehiscence of the surgical wound, decrease the risk of reoperation, and could result in little or no difference in the risk of malocclusion, but the certainty of the evidence is low. It is not clear whether the use of one compared to two titanium miniplates reduces the risk of infection and paresthesia since the certainty of the available evidence is very low.

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