Mary, A. V.; Kesavan, R.; Maheswari, R. H.; Keerthi, J.; Priyavadhani, S. J.; Zinnerah, S. F. Cognition and Perception About Tooth Brush Maintenance and Its Contamination. IJRESM 2020, 3 (10), 136-140. https://doi.org/10.47607/ijresm.2020.352.