eng Science and Education Publishing American Journal of Educational Research 2327-6150 2021-12-12 9 12 725 729 10.12691/education-9-12-5 EDUCATION20219125 article Amal EL AOUAME 1 Lamia Bouchghel lamiabouchghel@gmail.com 1 Sanaa ALAMI 1 Farid EL QUARS 1 Orthodontics Department, University Hassan II, Faculty of Dentistry, Casablanca, Morocco Dento-maxillary disharmony is a disproportion between the size or mesiodistal diameter of teeth and the perimeter of the corresponding alveolar arches. This case report describes the orthodontic treatment of a 17-year-old female patient with a normo occlusal class I malocclusion with a persistent temporary tooth. The goals were to maintain skeletal profile and Class I, eliminate crowding and correct tooth axis to achieve a bilateral Class I canine and maintain a bilateral Class I molar relationship, as well as to achieve adequate overbite and overjet, correct the midline, and achieve good balance and occlusal function. http://pubs.sciepub.com/education/9/12/5/education-9-12-5.pdf class I malocclusion normobite dento maxillary disharmony management