The Relationship Between Toothbrushing Habits and the Prevalence of Caries and Calculus in School-Age Children Grades 1-6 at Galilea Hosana School Elementary School, Medan Selayang District of North Sumatra, Indonesia . CMEJ [Internet]. 2023 Dec. 27 [cited 2026 Aug. 20];5(1):410-4. Available from: https://hmpublisher.com/index.php/CMEJ/article/view/455