Evaluating Oral Hygiene and Caries Prevalence among Deaf and Hard of Hearing Orphans at Karya Murni Orphanage in Medan . Dentika Dental J. [Internet]. 2024 Jul. 10 [cited 2026 Feb. 5];27(1):13-8. Available from: https://idjpcr.usu.ac.id/dentika/article/view/15698