Osseous outgrowth on the buccal maxilla associated with piezosurgery-assisted en-masse retraction: A case series
Tuncer Nilufer Irem, Arman-Ozcirpici Ayca, Oduncuoglu Bahar Fusun, Kantarci Alpdogan,
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( Tuncer Nilufer Irem ) - Baskent University Faculty of Dentistry Department of Orthodontics
( Arman-Ozcirpici Ayca ) - Baskent University Faculty of Dentistry Department of Orthodontics
( Oduncuoglu Bahar Fusun ) - Baskent University Faculty of Dentistry Department of Periodontology
( Kantarci Alpdogan ) - Forsyth Institute Department of Applied Oral Sciences
Abstract
Piezoelectric surgery is a novel surgical approach used in orthodontic treatment for rapid tooth movement. This paper presents a case series wherein osseous outgrowths were observed in response to piezosurgery-assisted en-masse retraction. Sixteen patients requiring upper premolar extractions were treated with miniscrew-supported en-masse retraction and received minimally invasive decortication via piezosurgery. Computed tomography (CT) of the maxillary anterior region was performed to investigate the nature of the outgrowths. In 8 of the 16 patients, hemispheric or disc-shaped osseous outgrowths were observed on the sites where piezosurgery was performed during retraction. CT images revealed that these outgrowths were alveolar bone. This case series presents a previously unreported osseous response to piezosurgery-assisted tooth movement during orthodontic treatment. The response is mostly transient and is observed in 50% of the treated patients, suggesting a bone turnover that can be assessed clinically and radiographically.
키워드
Piezosurgery; Bone biology; Osseous outgrowths; Computed tomography
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