Rao, A., 		Hosadurga, R., 		Vijaya, K., 		Shankar, R., 		Boloor, V., & 		Prathap, S.
2020 Dec  6.  Improvement in awareness levels and periodontal  health among patients undergoing fixed orthodontic appliance therapy with established gingivitis and periodontal health maintenance program: A questionnaire based study.. Journal of Oral Research. [Online] 9:6