Systematic review of surgical regenerative treatment for apicomarginal lesions in periapical surgery.

BACKGROUND Apicomarginal lesions affect the root apex and root surface concurrently and reduce the success rate in periapical surgery. The purpose of this systematic review was to analyze the published literature on the surgical treatment of apicomarginal lesions in periapical surgery. MATERIAL AND METHODS A systematic review was conducted on PRISMA statement. Three data bases (PubMed-Medline, Scopus, and Embase) were searched up to March 2023. The inclusion criteria for this systematic review encompass studies pertaining to apicomarginal lesions and their surgical treatment, both preclinical and clinical in nature (including randomized trials, prospective, and retrospective observational trials), without any language or time limitations. Exclusion criteria encompass studies with duplicated population data, no description of the surgical treatment or regenerative material. Different tools for the assessment of bias were applied for each study design Results: A total of 155 articles were searched and 10 were included. Studies on teeth with apicomarginal lesions undergoing periapical surgery showed a high success rate when regenerative techniques were used, resulting in reduced probing depth, increased bone formation on the root surface, increased root cementum formation, and reduced healing by junctional epithelium. Guided tissue regeneration, platelet-rich plasma or fibrin, and enamel matrix derivatives have emerged as alternative treatments offering favorable outcomes. CONCLUSIONS The use of regenerative materials in periapical surgery could improve the prognosis of apicomarginal lesions. Future research in this field should aim to standardize classification and healing criteria to enhance comparability across studies and provide more conclusive evidence for optimal treatment approaches.