Khan, M., Polan, M., Nahar, A., & Raihan, M. (2013). Factors Related To Dental Caries Among The Patients Attending At The Outpatient Department (OPD) Of Dhaka Dental College And Hospital. Bangladesh Journal of Dental Research &Amp; Education, 3(1), 16–20. https://doi.org/10.3329/bjdre.v3i1.16590