Khan, M.H.I., Sadia, R.I., Ema, S.A., Shahabuddin, N.B., Rahman, R. and Iqbal, M.A. 2019. Relationship of age with periodontal diseases for males and females in Bangladesh; A hospital registry based cross-sectional observational study. Update Dental College Journal. 9, 2 (Oct. 2019), 13–16. DOI:https://doi.org/10.3329/updcj.v9i2.43733.