Sadiq DSMA, Badea DRA. A Longitudinal investigation of the Periodontal changes in adult and adolescent orthodontic patients using bands or bonds on molars. MDJ [Internet]. 2018 Jan. 25 [cited 2024 May 2];5(2):159-65. Available from: https://mdj.uomustansiriyah.edu.iq/index.php/mdj/article/view/523