Mandibular Class II Furcation Defect Treatment: Effects of the Addition of Platelet Concentrates to Open Flap: A Systematic Review and Meta-Analysis of Randomized Clinical Trials
Abstract
BACKGROUND: To improve the efficacy and outcomes of regenerative therapy for furcation defects, the use of platelet concentrates (PCs) in addition to open flap debridement (OFD) has been investigated. The aim of this systematic review is to evaluate whether mandibular Class II furcation defects treated with the addition of PC to OFD heal with a significant improvement in the following: 1) horizontal clinical attachment level (HCAL); 2) vertical clinical attachment level (VCAL); 3) probing depth (PD); and 4) level of gingival margin (LGM).
METHODS: Electronic databases (MEDLINE, EBSCO Library, Cochrane Database of Systematic Reviews, and SCOPUS) were searched for randomized clinical trials to address the use of PCs in combination with OFD compared with a control group without PCs for the treatment of mandibular Class II furcation defects in humans and to provide data on the above reported outcome measures. The results of selected studies were converted to mean difference and standard error and interpolated using the inverse of variance test. Heterogeneity was investigated using both the Higgins index and the Q test.
RESULTS: Of 254 articles screened, only 11 were read in full text, and three of these were included in the meta-analysis. The addition of PCs to OFD revealed a small improvement in the following: 1) HCAL (mean difference, 1.36 mm; 95% confidence interval [CI] = 1.07 to 1.65); 2) VCAL (mean difference, 1.54 mm; 95% CI = 1.23 to 1.85); and 3) PD (mean difference,…
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