A. Tirth, V. Yadav, P. S. Tangade, T. Ravishankar, S. Chaudhary, and A. Mathur, “Assessment of Dental caries status, Periodontal health and oral hygiene practices among two Populations of Moradabad city, India”, Int J Occup Saf Health, vol. 3, no. 2, pp. 8–11, Apr. 2014.