Ngatemi, N.; Purnama, T.; Fadjeri, I.; Lestari, S. Y.; Puteri, A. D. COMBINATION OF DIRECT INSTRUCTION AND TOOTH BRUSHING DEMONSTRATION METHODS ON TOOTH BRUSHING SKILLS IN PRESCHOOL CHILDREN. JDHT.j.of.dent.hygiene.and.therapy. 2025, 6, 195-199.