Purnama, Tedi. “How Is the Dental Hygiene Status of Preschool Children During the Covid-19 Pandemic? - Tooth Brushing Skills and Characteristics of Parents”. European Journal of Dental and Oral Health 3, no. 1 (January 13, 2022): 1–4. Accessed June 16, 2025. https://ejdent.org/index.php/ejdent/article/view/139.