COMPARATIVE EFFECTIVENESS OF VERTICAL-HORIZONTAL VERSUS FONES-HORIZONTAL COMBINED TOOTHBRUSHING TECHNIQUES ON PLAQUE INDEX AMONG ELEMENTARY SCHOOL CHILDREN. OPTIMAL [Internet]. 2026 Jun. 30 [cited 2026 Jul. 1];3(2). Available from: https://proceedings.nuansafajarcemerlang.com/index.php/ico/article/view/204