Arua, Samuel O., and VE ADAMU. “Knowledge of Dental Health Care Professionals in Ebonyi State, Nigeria, Concerning Teeth Whitening”. Orapuh Journal 2, no. 2 (July 31, 2021): e813. Accessed July 27, 2025. https://orapuh.org/ojs/ojs-3.1.2-4/index.php/orapj/article/view/41.