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Objective
The objective of this study was to evaluate the relationship of periodontal disease with depression and anxiety via a systematic review and meta‐analysis.
Method
We systematically searched the EMBASE, PubMed, Web of Science, PsycINFO, and SinoMed databases (until August 4, 2019) with language restricted to English and Chinese. Case–control, cross‐sectional, and cohort studies that calculated...