Alcohol consumption is associated with periodontitis. A systematic review and meta-analysis of observational studies.

Objective: To determine whether alcohol consumption is associated with the risk of periodontitis.

Basic Research Design: Systematic review and meta-analysis of observational studies performed using the Preferred Reporting Items for Systematic Review and Meta-Analyses guidelines.

Method: PubMed and Scopus were searched for eligible articles published in English from inception till November 2018.