Skeletal, dental, and facial modifications in Class II, division 1 malocclusion interception and bullying reduction

Vol. 15 – Number 59 – 2022 Case report Page 30-39 Skeletal, dental, and facial modifications in Class II, division 1 malocclusion interception and bullying reduction Aristeu Corrêa de Bittencourt Neto1 Orlando Tanaka2 Rosemári Fistarol Daniel3 Sergio Luiz Mota-Júnior4 Jussimar Scheffer Castilhos5 Abstract Class II, Division 1, malocclusion is a common malocclusion in the orthodontic clinic and is usually related to mandibular retrognathism. This paper consists of a case report of a Class II, Division 1 patient, 7.2 years old, in the mixed dentition phase, with exaggerated projection of maxillary incisors and mandibular retrognathism. The treatment performed was the use of the Klammt functional orthopedic appliance. After 24 months, the patient showed improvement in molar and canine relationship, reduction of overjet and overbite, and improvement in facial harmony. It is concluded that Klammt’s AOF proved to be efficient and effective in interception of Class II, Division 1 malocclusion of a growing patient, with skeletal, dental, and facial profile improvement and solving the patient’s main complaint of bullying. In the 13-month follow-up, there was an improvement in the occlusal relationships of molars and canines in Class I. Descriptors: Interception, Class II, Klammt, functional jaw appliance. 1 Specialist in Orthodontics – UEL, Master in Dentistry – Orthodontics – Uningá. 2 Titular Professor of the Graduation and Post-Graduation in Dentistry – Orthodontics – PUCPR, School of Medicine and Life Sciences, Graduated by the Brazilian Board of Orthodontics and Facial Orthopedics, Postdoctoral fellow – Center for Advanced Dental Education – Saint Louis University. 3 Master in Dentistry – Orthodontics – PUCPR, School of Medicine and Life Sciences. 4 Doctor in Health – UFJF, Post-Doctoral Student in Dentistry – UFJF, Professor of the Specialization Course in Orthodontics – UFJF. 5 Doctoral Student in Dentistry – Orthodontics – PUCPR, School of Medicine and Life Sciences. DOI: 10.24077/2022;1559-02612022