A COMPARATIVE EVALUATION OF EXTERNAL APICAL ROOT RESORPTION IN PATIENTS TREATED WITH DAMON BRACKET SYSTEM AND CONVENTIONALMBT BRACKET SYSTEM- A RETROSPECTIVE STUDY

Background: Resorption of the external apical root is a common iatrogenic side effect orthodontic therapy (EARR). The loss cementum and dentine caused by resorption, which can be normal or pathologic process. A complicated combination individual biology mechanical forces assumed to cause. Aims &Objectives: purpose this research was assess degree resorption (EARR) in patients treated with Damon self-ligating bracket system those conventional MBT system. Methods: For study, twenty were divided into two groups. Ten equipment Group I. appliances used treat ten 2. Levander Malmgren scores on periapical radiographs maxillary incisors at completion therapy. chi-square test compare between Results: There no significant difference groups, according findings. Conclusion: Non-extraction standard preadjusted resulted similar