Copyright © 2021 Contemporary Pediatric Dentistry. This work is licensed under Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International license. (CC BY-NC-ND 4.0) Case Report Management of internal root resorption in primary mandibular right first molar: A case report with four-year follow-up Prasad K Musale 1 ✉, Sneha S Kothare 2 , Abhinav l Talekar 3 Abstract Internal inflammatory root resorption in primary teeth is a well-known entity with unknown prevalence. The diagnosis and conservative treatment of such a lesion has perplexed practitioners for decades. The management of a non- perforating internal root resorption is long been debated by general dentists and paediatric dentists alike. This case presentation describes the case of a 4- year old boy with non-perforating internal root resorption in a primary molar treated successfully with endodontic procedure and monitored routinely for four years. The objective here was to suggest a minimally-invasive treatment alternative to conventional treatment practices. Keywords: Primary Teeth; Pulpectomy; Root Resorption Highlights The etiology and pathogenesis of internal inflammatory root resorption are partly understood and thus an attempt is made at the same. 1 Chief paediatric dentist, Little One’s Big Smiles, Laser and Microscopic Integrated Paediatric Dentistry, Pune, Maharashtra, India 2 Private practitioner, Mumbai, Maharashtra, India 3 Reader, Department of Pedodontics and Preventive Dentistry, M.A. Rangoonwala College of Dental Sciences and Research Centre, Pune, Maharashtra, India Correspondence: Little One’s Big Smiles, Laser and Microscopic Integrated Paediatric Dentistry, Pune, Maharashtra, India E-mail address: pedoprass@gmail.com Received: 27 January 2021 Accepted: 19 March 2021 Online First: 31 March 2021 An alternative to conventional methods of management of inflammatory internal root resorption was shown and suggested. The importance of chemical debridement was emphasized. Contemporary Pediatric Dentistry Contemp Pediatr Dent 2021:2(1):57-63 DOI: 10.51463/cpd.2021.38