Ahmed, S., Hossain, M. and Parvin, C.A. 2021. A 60-year-old male with gradual loss of tooth surface. Bangabandhu Sheikh Mujib Medical University Journal. 14, 1 (Jan. 2021), 13–16. DOI:https://doi.org/10.3329/bsmmuj.v14i1.51434.