Dr. Subrata Kumar Barai completed his dental education at City Dental College in 2003 and went on to receive postgraduate training in Oral & Maxillofacial Surgery from BSMMU. In 2006, he started working as a Medical Officer at HCDP of Diabetic Association of Bangladesh, where he gained advanced training in Dental Surgery and Dental Implant Prosthesis from CMC Vellore in India. He is specialized in various oral and dental diseases, as well as artificial replacement of missing teeth, such as crown, bridge, implant, and maxillofacial prosthesis. Additionally, he is an expert in high-tech endodontic procedures like root canal treatment and endodontic surgery. Currently, he is working as a highly skilled Oral & Dental Surgeon at Square Hospital.