Author(s):
1. Zorana Stamenković, Clinic of Orthodontics, School of Dentistry, University of Belgrade, Serbia
2. Jovan Marković, University of Belgrade, School of Dental Medicine, Clinic of Orthodontics, Belgrade, Serbia, Serbia
3. Ivan Arsic, Stomatoloski fakultet u Beogradu, Serbia
4. Vanja Stojic, Stomatoloski fakultet u Beogradu, Serbia
5. Nemanja Marinkovic, Stomatoloski fakultet u Beogradu, Serbia
6. Nenad Nedeljković, Clinic of Orthodontics, School of Dentistry, University of Belgrade, Serbia
7. Vladan Mirjanić, Medicinski fakultet Banja Luka , Republic of Srpska, Bosnia and Herzegovina

Abstract:
In the period of puberty growth spurt, functional therapy can be successfully performed using the Bionator according to Balters. This case report aims to show the successful treatment of a skeletally open bite and overbite in a 13-year-old girl. The clinical examination revealed an enlarged lower third of the face, an open bite in the area of the frontal teeth (1.5 mm), and occlusion of ½ class III. Analyzing the initial profile teleradiograph, she was diagnosed with skeletal class III (ANB= -2°), skeletal open bite (B= 31°)), increased corpus of the mandible (by 8 mm), and a tendency towards a vertical type of facial growth (Bjork=400°). Balters type III bionator was indicated. The active phase of therapy lasted 19 months. During this period, the patient wore the appliance continuously during the day and night. Control examinations were performed every 6 weeks. After finishing the active phase of therapy, the value of the ANB angle on the control profile teleradiograph was 1°, with the presence of a vertical growth tendency (Bjork= 402°) and an enlarged body of the mandible of 3.3 mm. Clinical examination revealed a stable Class I occlusion and a flap depth of 2 mm. A bionator according to Balters, is a tooth-worn functional appliance, that gives a successful therapeutic result by affecting the change in the position and activity of the tongue while suppressing the excessive sagittal growth of the lower jaw.

Key words:
bionator according to Balters,functional therapy,skeletal open bite,class III

Thematic field:
SYMPOSIUM B - Biomaterials and nanomedicine

Date of abstract submission:
09.07.2024.

Conference:
Contemporary Materials 2024 - Savremeni Materijali

Applied paper from author