Volume 9, Year 2017 INDIAN DENTAL JOURNAL www.idjournal.org Official Publication of Society of Medical Dental & Public Health 3 NONEXTRACTION TREATMENT OF AN ADULT WITH CLASS II DIVISION 2 MALOCCLUSION WITH AUTO ROTATION OF MANDIBLE Dr. Kiran Chakravarthula 1  Dr. Chetan S 2 Dr. Reji Abraham 3 Dr. Vignesh Varma Raja 4 Dr. Indu Shree Prakash 5 Dr. Jitesh Kesavan 6 Dr. Ramoji Rao Lenka 7 1 Assistant Professor, Department of Orthodontics and Dentofacial Orthopaedics, Lenora Institute Of Dental Sciences, Rajanagaram, East Godavari District-533294, Andhra pradesh, India 2 Reader, Department of Orthodontics and Dentofacial Orthopaedics, Sri Hasanamba Dental College and Hospital, Vidyanagar, Hassan, Karnataka, India 3 Professor and Head, Department of Orthodontics and Dentofacial Orthopaedics, Sri Hasanamba Dental College and Hospital, Vidyanagar, Hassan, Karnataka, India 4 Assistant Professor, Department of Orthodontics and Dentofacial Orthopaedics, Indiradandhi Institute Of Dental Sciences, Nellikuzhy, kothamangalam, kerala, India 5,6,7 Post Graduate Student, Department of Orthodontics and Dentofacial Orthopaedics, Sri Hasanamba Dental College and Hospital, Vidyanagar, Hassan, Karnataka, India Address for Correspondence: Dr. Kiran Chakravarthula, Assistant Professor, Department of Orthodontics and Dentofacial Orthopaedics, Lenora Institute Of Dental Sciences, Rajanagaram, East Godavari District, Andhra pradesh, India. E-mail: kiranch56@gmail.com ABSTRACT This case report describes the treatment of an adult with Class II division 2 malocclusion. The patient had class II molar and class II canine relationships, retroclined upper incisors, excessive deep bite and severe crowding. The patient was treated by incisor protrusion. Auto rotation of mandible was noticed after initial levelling and aligning of maxillary arch. An optimal molar and canine relationship was achieved in 14 months. KEYWORDS: Class II Division 2 Maloclusion, Auto Rotation,Class II Elastics, Deep Bite, Non Extraction NTRODUCTION - Epidemiologic investigations have shown that in a population 2-5% of individuals have Class II division 2 malocclusion. 1,2 Class II Division 2 malocclusion, is characterized by triad of signs which are deep bite retroclined maxillary incisors and a posteriorly positioned mandibular dental arch. 3, 4 Keeping the above characteristics into consideration, first step in our treatment should be dental decompensation by proclination of incisors, thereby unlocking the mandible that in turn may permit advancement and modification in the path of closure of the mandible. Treatment will be continued by using class II mechanics will be used that aids in the correction of skeletal and dental relation. 5 HISTORY AND DIAGNOSIS 15 year old post-pubertal female patient reported to Sri Hasanamba Dental College and Hospital, Hassan, Karnataka, India, with a chief complaint of irregularly placed upper front teeth and want it to be corrected. Her pre-natal and post-natal history was reported to be normal. Past Medical and dental history were unremarkable. Extraoral examinations showed convex profile with I