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Class II malocclusion is characterized by distoclusion and is divided into two divisions depending on the inclination of the upper front teeth. The first division is characterized by protrusion of the upper front teeth. Treatment possibilities of class II/1 malocclusion depend on the skeletal form. Therapy of dentoalveolar types of class II/1 malocclusion is exclusively orthodontic. More emphasized skeletal forms of class II/1 malocclusion may require surgery apart from orthodontic therapy. Casse raport: In this paper, the extraction and nonextraction treatment of 13 years old patients - M.P.(boy) and I.T. (girl) was shown, respectively. The diagnosis was based on clinical and functional intraoral findings, analysis of dental casts, face photos, orthopatomogram and profile x-ray. Nonextraction therapy was suggested for a boy and extraction therapy for a girl, combined with the use of upper and lower fixed appliances. In the treatment, technique of straight arch, Dentaurum brackets, root prescriptions, slot 22 were used. In the male patient, there was a slight maxillary prognathism, mandibular retrognathism, anterior type of growth, protrusion of the upper incisors and retrusion of the lower ones. The body of maxilla was shorter by 4 mm with regard to the cranial base. In the female patient the extraction of the upper first premolars was performed because of maxillary prognathism, mandibular retrognathism, increased length of the body of maxilla, decreased length of the body of maxilla and severe protrusion of the upper frontal teeth. After the treatment, functional occlusion and improvement in facial aesthetics was achieved in both patients. Facial changes were more apparent in the patient who underwent the extraction treatment. After completion of treatment, it is necessary to maintain the obtained results.

Extraction and non-extraction therapy in class II/1 patients