Summary Background The aim of this systematic review was to assess the efficacy of photodynamic therapy (PDT) in the treatment of symptomatic oral lichen planus (OLP). Methods This systematic review aimed to address the following focused question: “Is PDT effective in the treatment of symptomatic OLP?” Indexed databases such as MEDLINE, EMBASE, and CENTRAL were searched up to and including August 2017. Results Six clinical studies were included. The risk of bias was considered high in 5 studies and moderate in one study. Parameters of PDT such as wavelengths, energy fluence, power density and exposure time ranged between 320‐660 nm, 120 J/cm2, 130 mW/cm2, and 70‐150 seconds, respectively. The follow‐up period ranged from 4 to 48 weeks. All included studies reporting clinical scores showed that PDT was effective in the treatment of OLP in adult patients at follow‐up. However, PDT did not show significant improvement when compared with steroid therapy. Conclusion Photodynamic therapy appears to have some effect in the symptomatic treatment of OLP in adult patients. However, further randomized controlled trials with long follow‐up period, standardized PDT parameters, and comparing the efficacy of PDT with steroid therapy are warranted to obtain strong conclusions in this regard.
Background Beta-tricalcium phosphate in regenerative surgery has shown promising results in terms of bone gain and new vital bone formation; however, several studies have contradicted this finding. The aim of this study was to evaluate the effectiveness of beta-tricalcium phosphate compared to other grafting materials in the regeneration of periodontal infra-bony defects. Methods Electronic database (Cochrane, MEDLINE, PubMed, Embase, Science Citation Index Expanded) and manual searches for related data were performed up until March 2020. The outcomes were pocket depth reduction, clinical attachment level gain, and amount of bone fill. Results Five studies were selected based on the inclusion criteria. Bone regeneration with beta-tricalcium phosphate was observed to be superior to that with debridement alone but showed comparable results to other bone graft materials in terms of pocket depth reduction, clinical attachment level gain, and bone fill. Regenerative procedures for periodontal infra-bony defects that used beta-tricalcium phosphate in combination with other growth factors yielded superior outcomes. The meta-analysis revealed that for cases with two-wall defects, the use of beta-tricalcium phosphate yielded statistically significant differences in pocket depth reduction and clinical attachment level gain, but not in bone fill. Conclusions Beta-tricalcium phosphate appears to be a promising material for use in periodontal infra-bony defect regeneration around natural teeth. However, randomized clinical trials with larger sample sizes and more controlled study designs are needed to support these findings.
Background: β-TCP is a synthetic grafting material (alloplasts)that can be used as allografts and xenografts in peridontal periodontal infra-bony defect. However, it is important to compare this material outcomes in such treatments when comparted to others Therefore, the aim of this review is to evaluate the effectiveness of β-TCP in the regeneration of periodontal infra-bony defect. Methods: Three electronic databases (Cochrane, Pubmed, Embase) were searched up to March 2020. The inclusion criteria consist of regeneration of periodontal infra-bony defect via implementation of β-TCP in combination with other bone graft materials. Outcomes consisted of pocket depth reduction, clinical attachment level gain and bone fill. Results: Five studies were included according to inclusion criteria. β-TCP found to be superior than debridement alone while it shown comparable result to other bone grafts materials in term of pocket depth reduction, clinical attachment level gain and bone fill. the outcomes of the regenerative procedures of periodontal infra-bony defect with the use of β-TCP in combination with other growth factors seems to be superior than alone. Conclusion: β-TCP seems to be a promising material to be used in periodontal infra-bony defect regeneration. However, randomized clinical trials with larger sample size and more controlled study design are needed to support the findings.
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