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Main Instructor Yi-Hao Lee
Wei-Yung Hsu
Department / Institution Orthodontic Department, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University, College of Medicine, Koahsiung, Taiwan
Classification Case report
Gingival recession and alveolar bone loss are common complications in adult patients receiving orthodontic treatment with improper tooth movement, especially in patients with thin biotype of gingiva or narrow bone housing. Therefore, the proper mechanism design and well-controlled tooth movement in these patients are necessary. We present a treatment of an adult patient presenting bidentoalveolar protrusion with thin alveolar boundary over upper and lower anterior teeth and demonstrate significant improvement with acceptable periodontal status.
A 25-year-old female patient was concerned about her protrusive profile. On examination, she presented Angle Class I malocclusion on skeletal II base, protruded lips, horizontal open bite and generalized gingival recession.
 Treatment plan was set to be full mouth comprehensive orthodontic treatment with extraction of four premolars, TADs for anchorage enhancement and ASO in maxilla. Sequential movement of lower anterior teeth was utilized for prevention from more gingival recession. The total treatment lasted for 3 years and the satisfactory results regarding well-aligned and properly inclined dentition as well as good facial profile and periodontal status were achieved.
Discussion and summary
Adult patients who present dentoalveolar protrusion with thin alveolar boundary and generalized gingival recession often require proper treatment plan and well-designed mechanism to prevent complications of periodontal tissue loss.
Treatment Consideration in An Adult Female with Bidentoalveolar Protrusion and Limited Alveolar Boundary- A Case Report