Current status of the reporting quality of abstracts in systematic reviews related to implant dentistry: a literature survey.

The aim of this study was to assess the reporting quality of abstracts in systematic reviews (SRs) related to implant dentistry and to assess the possible factors associated with the reporting quality. Abstracts of SRs in the field of implant dentistry, published in the last 5 years, were searched. The reporting quality was assessed and scored using the PRISMA for Abstracts checklist (PRISMA-A). The overall PRISMA-A score (OPS) and relative score (OPS%) per review were calculated according to adherence to the criteria presented in the checklist. Multivariable linear regression was performed to identify possible factors associated with reporting quality. Overall, 310 SRs were eligible for this study. Based on the maximum PRISMA-A score (score of 12), the mean OPS was 6.5 and OPS% was 54.2%. The items 'title', 'objectives', and 'number of included studies' were those most frequently reported in the abstracts, while the items 'registration' and 'funding' were the least reported. According to multivariable linear regression, the geographical origin of the articles was the only factor associated with better quality of abstract reporting, with higher OPS for SRs from Europe when compared to North America (coefficient 0.73; P = 0.049). The reporting quality of abstracts in SRs related to implant dentistry is suboptimal and needs to be improved. Journals should encourage adherence to reporting checklists in SRs.

Is there any biomaterial substitute for peri-implant soft tissue phenotype modification? A network meta-analysis of the appraisal literature.

Evidence shows that an increased width and thickness of the keratinized mucosa favours peri-implant health. The aim of this network meta-analysis was to compare the clinical effects of alternative biomaterials for peri-implant soft tissue phenotype modification (PSPM) in patients with dental implants when compared to autologous tissue grafts. An electronic search without language or date limitations was performed in four databases and the grey literature for articles published until November 2020. The eligibility criteria included randomized clinical trials (RCTs) evaluating the clinical outcomes of biomaterials for PSPM. A pairwise and network meta-analysis was conducted for each parameter to assess and compare the outcomes between the different treatment arms for the primary and secondary outcomes. A total of 11 RCTs were included in this review. The free gingival graft (FGG) showed the best clinical effect for increasing keratinized mucosa width (KMW). When compared in a network, the FGG demonstrated the best treatment ranking of probability results, followed by connective tissue graft (CTG), acellular dermal matrix (ADM), and xenogeneic collagen matrix (XCM). For the parameters 'mucosa thickness' and 'participant satisfaction with aesthetics', the results were CTG > ADM > XCM and XCM > ADM > CTG, respectively. Autogenous tissue grafts (FGG/CTG) demonstrate the best results in increasing KMW and mucosa thickness when compared to the other biomaterials.