Evaluation Treatment Outcomes of Anterior Open Bite Treated with Maxillary Intrusive Force by Temporary Anchorage Devices

Authors

1 Researcher, Orthodontic Department, Faculty of Dental Medicine for Girls, Al-Azhar University, Cairo, Egypt

2 Professor and head of Orthodontic Department, Faculty of Dental Medicine for Girls, Al-Azhar University, Cairo, Egypt

3 Lecturer of Orthodontic Department, Faculty of Dental Medicine for Girls, Al-Azhar University ,Cairo, Egypt

Abstract

Purpose: This study was conducted to assess anterior open bite (AOB) correction in orthodontic patients by intrusive force on upper posterior teeth using temporary anchorage devices (TADs). Subjects and Methods: The present study was carried-out on 10 orthodontic patients (females) with 2 dropped out, they aged from 15 to 18 years with mild to moderate AOB and indicated for maxillary posterior dentoalveolar intrusion, each patient received 6 TADs (3 each side)connected to upper segmented fixed appliance and 200g intrusive force was applied, The following parameters were measured from cone-beam tomography: volumetric root length, amount of intrusion and amount of open bite closure reading. Results: The results showed a highly statistically significant posterior teeth intrusion with decrease on amount of open bite, and all examined roots showed decrease volumetric root length Conclusions: In the present study, intrusion by temporary anchorage device is an effective solution concerning open bite correction.

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