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JAW CHANGES AFTER INTERCEPTIVE ORTHODONTIC IN CLASS III MALOCCLUSION USING FACEMASK COMBINED WITH QUAD HELIX FOR CHILDREN IN THE AGE 7-14
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Abstract
Background: Class III malocclusion often causes many aesthetic and functional consequences if not treated properly. Most patients with class III malocclusion have problems with teeth, alveolar bone and jaw bone. For patients who are still in the growth stage, many authors recommend early treatment to change the jaw bone due to more growth, improving the difference in the jaw bone in the anterior-posterior direction. Objectives: To evaluate the jaw changes after interceptive orthodontic treatment in class III malocclusion using facemask combined with quad helix for children at the age of 7-14 years old at the Ho Chi Minh City Hospital of OdontoStomatology in 2023-2024. Materials and methods: The study evaluated the intervention before - after without a control group on 32 patients from 7 to 14 years old who came to the Ho Chi Minh City Hospital of Odonto-Stomatology. The children were evaluated at the time of starting treatment, the time of ending treatment, and changes in the bone before and after treatment. Results: The average age was 9.65 ± 1.4 years old. In which, the majority of the patients were female with 18 cases (56.2%). The average treatment time of the patients was 10.17 ± 1.94 months. The SNA angle increased by 2.57 ± 1.71⁰, (p < 0.001) and the N-A-Pog angle increased by 6.12 ± 3.91⁰ (p < 0.001). The SNB angle decreased: -0.95 ± 1.74⁰ (p=0.001). Conclusion: The facemask early interceptive orthodontic appliance has created positive changes on the maxilla and mandible of patients with class III malocclusion between the ages of 7 and 14 years old.
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Keywords
Facemask, Class III malocclusion, Early intervention orthodontic
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