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

Abstract:
AIM: The aim of this study was to present opportunity of treatment of skeletal distal bite during pubertal growth using Twin block as one of the functional orthodontic appliances. MATHERIAL AND METHOD: In this case was treated boy in the 12 years of chronological age and in CS3 stage of skeletal maturation. The patient had skeletal and dental Class II with the vertical type of facial growth. Orthodontic procedure was completed with Twin block appliance during 20 months of active treatment. RESULTS AND CONCLUSION: During treatment with Twin block appliance skeletal Class II was corrected in Class I (angle ANB was corrected from 7° to 4°). The type of facial growth has not been changed during treatment. Overjet before treatment was 13mm, but at the end of treatment 3.5mm, while overbite was reduced from 5.5mm to 3mm. After treatment, patient had stabile Class I occlusion. Now the patient is in the period of retention using mobile appliance in the upper jaw.

Key words:
functional,orthodontics,twin,block,appliance,skeletal,distal,bite

Date of abstract submission:
09.07.2021.

Conference:
Contemporary Materials 2021 - Savremeni materijali