External Apical Root Resorption after Orthodontic Treatment in Ramadi City


Background:- External Apical Root resorption is one of the most common and undesirable sequel of orthodontic treatment .Objective:-The purpose of the present study was to research and identify factors related to root resorption during orthodontic treatment in Ramadi city. Patients and Methods: This study consisted of 172 patients who had completed orthodontic treatments and taken the pre- and post-treatment panoramic radiographs. The length of tooth was measured. A NOVA and t test was performed to compare the mean amount of root resorption between right and left side, male and female, between extraction and non-extraction cases, open bite ,deep bite and normal bite and class I ,class II &class III. The correlation coefficients were measured between the amount of root resorption and the beginning age of the orthodontic treatment, and the duration of treatment.Results: In this study the maxillary central incisors were the most resorbed teeth, there is no significant different between male and female, left and right side. There was a significant different between extraction and non-extraction therapy, open bite, normal bite and deep bite and class I,II and III treatment. this study showed that treatment duration and the age of the patient was not related to the degree of resorption . Conclusion :-The radiographic follow up for the assessment of root resorption of all patients undergoing orthodontic therapy .These findings show that orthodontic treatment should be carefully performed to the tooth, moved a greater distances during treatment.