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

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Australasian Orthodontic Journal

Australian Society of Orthodontists

Subject: Dentistry, Orthodontics & Medicine

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ISSN: 2207-7472
eISSN: 2207-7480

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VOLUME 34 , ISSUE 1 (May 2018) > List of articles

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 *

Citation Information : Australasian Orthodontic Journal. Volume 34, Issue 1, Pages 85-93, DOI: https://doi.org/10.21307/aoj-2020-062

License : (CC BY 4.0)

Published Online: 20-July-2021

ARTICLE

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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