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Year : 2021  |  Volume : 18  |  Issue : 1  |  Page : 78

Retreatment of an orthognathic camouflaged case by total lower arch mesialization using temporary anchorage device

1 Department of Orthodontics, School of Dentistry, Islamic Azad University, Tehran, Iran
2 Department of Orthodontics, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
3 Faculty of Dentistry, University of British Columbia, Vancouver, Canada

Correspondence Address:
Dr. Golnaz Nahvi
Department of Orthodontics, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/1735-3327.326651

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Mandibular tooth extractions for camouflage treatments in borderline Class III patients may end up with unpleasing esthetic results which may lead the patient seeking further complicated retreatments. In this case report, we presented a patient's retreatment with a combined orthodontic and orthognathic surgery treatment plan. The treatment strategy involved an innovative temporary anchorage device (TAD)-based method for total mandibular arch mesialization instead of space reopening for first lower premolar replacement with implants. In the current case report, orthognathic management of a Class III adult female is discussed. The patient had a history of an esthetically unsuccessful previous camouflaged orthodontic treatment with two lower premolar extractions. She was prepared for orthognathic surgery using an innovative custom-made sliding jig based on miniscrews for total mandibular arch mesialization with the aim of dental arch decompensation. After gaining the optimal dental arch discrepancy, the patient had orthognathic surgery (maxillary advancement and mandibular setback and advancement genioplasty). Total mandibular dental arch mesialization with the aim of dental arch discrepancy preparation was successfully conducted using TADs. By means of the innovative miniscrew-anchored sliding jig, the patient's satisfactory esthetic and occlusal results were obtained in 22 months. With innovative application of the miniscrews, more practical and reasonable alternatives are available to replace conventional and complicated treatment plans such as space reopening for implants in patients with unsuccessful previous orthodontic therapies.

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