Skeletal Class II open-bite malocclusion with idiopathic condylar resorption: a case report

Ayaka Oka; Hiroshi Kurosaka; Kohtaro Yashiro; Seiji Haraguchi; Donghoon Lee; Tomonao Aikawa; Mikihiko Kogo; Takashi Yamashiro

doi:10.21307/aoj-2020-062

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Skeletal Class II open-bite malocclusion with idiopathic condylar resorption: a case report

Australasian Orthodontic Journal

Volume 34 (2018): Issue 1 (January 2018)

By: Ayaka Oka, Hiroshi Kurosaka, Kohtaro Yashiro, Seiji Haraguchi, Donghoon Lee, Tomonao Aikawa, Mikihiko Kogo and Takashi Yamashiro

Open Access

|Jul 2021

Abstract

Background

The orthodontic treatment of patients with idiopathic condylar resorption (ICR) remains controversial. The effect of molar intrusion using temporary anchorage devices (TADs) and the consequential gradual counterclockwise rotation of the mandible in patients with ICR remains unclear.

Aims

To present the long-term treatment result of an adult skeletal Class II open-bite malocclusion with a history of ICR corrected by the combination of orthognathic surgery and TADs.

Methods

After six months of occlusal splint therapy, a surgically-assisted intrusion of the maxillary molars was performed using TADs, followed by a bilateral sagittal split osteotomy (BSSO) and genioplasty.

Results

The five-year post-treatment records showed a good facial appearance, occlusion and mandibular/condylar position with no progress in the condylar resorption.

Conclusion

Based on a single case, this treatment option is an effective alternative to a bimaxillary osteotomy for patients presenting with ICR.

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Articles in this issue

DOI: https://doi.org/10.21307/aoj-2020-062 | Journal eISSN: 2207-7480 | Journal ISSN: 2207-7472

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Language: English

Page range: 85 - 93

Submitted on: Jun 1, 2017

Accepted on: Nov 1, 2017

Published on: Jul 20, 2021

Published by: Australian Society of Orthodontists Inc.

In partnership with: Paradigm Publishing Services

Publication frequency: 1 issue per year

Related subjects:

Medicine,

Basic medical science,

Basic medical science, other

© 2021 Ayaka Oka, Hiroshi Kurosaka, Kohtaro Yashiro, Seiji Haraguchi, Donghoon Lee, Tomonao Aikawa, Mikihiko Kogo, Takashi Yamashiro, published by Australian Society of Orthodontists Inc.
This work is licensed under the Creative Commons Attribution 4.0 License.

Volume 34 (2018): Issue 1 (January 2018)