https://scholar.google.com/scholar_lookup?title=Prevalence+of+Dental+Caries+and+Associated+Factors+in+East+Africa,+2000–2020:+Systematic+Review+and+Meta-Analysis&author=Teshome,+A.&author=Muche,+A.&author=Girma,+B.&publication_year=2021&journal=Front.+Public+Health&volume=9&pages=645091&doi=10.3389/fpubh.2021.645091&pmid=33996722