Three-dimensional evaluation of two intrusive modalities in treatment of deep bite cases accompanied with gummy smile (randomized controlled trial) | ||||
| Egyptian Orthodontic Journal | ||||
| Volume 65, Issue 1, June 2024, Page 38-46 PDF (740.63 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/eos.2023.245319.1093 | ||||
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| Authors | ||||
Mohamed Abd Elrashid  1; Ahmed Nasef Abd EL-Hameed2; Wael Mohamed Refai3
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| 1Orthodontic department, faculty of dentistry, minya university | ||||
| 2Orthodontic department, faculty of dentistry, Minya university | ||||
| 3Orthodontic Department, Faculty of Dentistry, Minya University | ||||
| Abstract | ||||
| Objective: To evaluate the efficiency and side effects of intrusion arch versus miniscrew-supported intrusive arch in treatment of deep bite cases accompanied with gummy smile. Subjects and methods: The study samples included forty patients selected from the outpatient clinic of the Department of Orthodontics, Faculty of Dentistry, Minya University. Forty adult patients (11 males and 29 females) were non-growing patients with Average age from 18-25 years old with increased gingival show during smiling and excessive overbite diagnosed by clinical examination. All diagnostic and radiographic records were completed and the patients were divided into two groups with 20 subjects in each group. Group A was treated with traditional intrusive arch and group B was treated with intrusive arch supported on two miniscrews placed buccally between the second bicuspid and the first molar bilaterally. Results: Intrusion in upper incisors occurred by 0.95 to 1.53 mm in group A and 1.96 to 2.34 mm in group B and the amount of produced inclination during intrusion was greater in group A than group B. The amount of external apical root resorption was mild in both group with less values in group A than group B. Conclusion: Both modalities successfully intrude the upper anterior teeth but more inclination changes was observed in group A than group B and insignificant root resorption was observed in both groups. | ||||
| Keywords | ||||
| Incisor intrusion; Intrusive arch; Deep bite treatment; Gummy smile | ||||
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