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 Contemporary Materials 2022 - Savremeni materijali - confOrganiser.com

Contemporary Materials 2022 - Savremeni materijali

September 8 - 9, 2022.

COMBINED ORTHODONTIC - SURGICAL TREATMENT OF SEVERE SKELETAL CLASS III MALOCLUSSION – CASE REPORT

Author(s):
1. Zorana Stamenković, Clinic of Orthodontics, School of Dentistry, University of Belgrade, Serbia
2. Vanja Stojic, Stomatoloski fakultet u Beogradu, Serbia
3. Nemanja Marinkovic, Stomatoloski fakultet u Beogradu, Serbia
4. Jovan Marković, University of Belgrade, School of Dental Medicine, Clinic of Orthodontics, Belgrade, Serbia, Serbia
5. Ivan Arsic, 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:
Severe skeletal Class III caused by mandibular prognathism often requires a combined orthodontic and surgical treatment to ensure a stable therapeutic outcome. This case presents the therapeutic approach for a male patient who had a ½ Class III malocclusion, an anterior open bite of 3 mm, anterior crossbite and a concave profile before initiating orthodontic treatment. The initial lateral cephalogram indicated mandibular prognathism (SNB 83), a skeletal Class III (ANB -1) with a tendency towards an open bite (B 31), proclination of the upper incisors (I/SpP 59), and retroclination of the lower incisors (i/MP 92). Additionally, an increased mandibular corpus length of 4 mm was observed. The second lateral cephalogram, taken immediately before surgical intervention indicated a skeletal Class III (ANB -3), an increased mandibular corpus by 5.85 mm, and corrected inclinations of the upper and lower incisors. Presurgical treatment with fixed appliances lasted 36 months, followed by bimaxillary surgery. Postsurgical orthodontic treatment lasted 8 months, during which the patient wore vertical intermaxillary elastics to establish a stable occlusion. At the end of the treatment, Class I occlusion was achieved with proper overbite and overjet, and a harmonious facial profile. The post-surgical lateral cephalogram showed correction from Class III to Class I skeletal relationship, proper inclination of the upper and lower incisors, and corrected mandibular corpus length. Combined orthodontic - surgical treatment can effectively correct severe skeletal discrepancies caused by mandibular overdevelopment.

Key words:
mandibular prognathism,Class III malocclusion,orthodontic - surgical treatment,lateral cephalogram,mandibularni prognatizam,malokluzije III klase,ortodontsko-hirurški tretman,profilni telerendgenski snimak

Thematic field:
SYMPOSIUM B - Biomaterials and nanomedicine

Date of abstract submission:
09.07.2024.

Conference:
Contemporary Materials 2024 - Savremeni Materijali

Abstract

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