Abstract:-External cervical resorption (ECR) is a type of external root resorption. ECR is relatively uncommon and the etiology is not very clear. Often misdiagnosed leading to improper management or tooth loss.Clinicallyit’s often asymptomatic unless pulpal or periodontal involvement begins. ECR is mostly noted in routine radiograph. Accurate assessment of the true nature and accessibility of ECR is important for its effective management