SUHARTINI, Suhartini et al. Toothbrush design appropriate for pre-elderly: The relationship of toothbrush bristles number to oral hygiene. Odonto : Dental Journal, [S.l.], v. 11, n. 1, p. 1-6, july 2024. ISSN 2460-4119. Available at: <https://jurnal.unissula.ac.id./index.php/odj/article/view/33545>. Date accessed: 25 aug. 2024. doi:http://dx.doi.org/10.30659/odj.11.1.%p.