AI Article Synopsis

  • - The study focused on comparing the immunoexpression levels of RANK, RANKL, and OPG in three types of dental cysts: dentigerous cysts, odontogenic keratocysts, and ameloblastomas, using data from various databases and adhering to specific study criteria.
  • - A comprehensive analysis revealed that dentigerous cysts and odontogenic keratocysts exhibited a higher OPG to RANKL ratio, suggesting a less aggressive nature, whereas ameloblastomas showed a significantly higher RANKL in comparison to OPG, indicating a more aggressive behavior.
  • - Out of nine studies included, most demonstrated a moderate risk of bias, with findings pointing to the aggressive potential of ameloblastoma

Article Abstract

The aim of this study was to assess and compare RANK, RANKL, and OPG immunoexpression in dentigerous cyst, odontogenic keratocyst, and ameloblastoma. The protocol was registered in PROSPERO (CRD42018105543). Seven databases (Embase, Lilacs, LIVIVO, PubMed, Scopus, SciELO, and Web of Science) were the primary search sources and two databases (Open Grey and Open Thesis) partially captured the "grey literature". Only cross sectional studies were included. The JBI Checklist assessed the risk of bias. A meta-analysis with random effects model estimated the values from the OPG and RANKL ratio reported by the individual studies and respective 95% confidence intervals. The heterogeneity among studies was assessed with I2 statistics. Only nine studies met the inclusion criteria and were considered in the analyses. The studies were published from 2008 to 2018. Two studies presented low risk of bias, while seven studies presented moderate risk. The meta-analysis showed the highest OPG>RANKL ratio for dentigerous cyst (ES=43.3%; 95% CI=14.3-74.8) and odontogenic keratocyst (ES=36.8%; 95% CI=18.8-56.7). In contrast, the highest OPG

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http://dx.doi.org/10.1590/0103-6440202103387DOI Listing

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