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Evaluation of Stability Following Two-Jaw Surgery
Journal of the Korean Association of Maxillofacial Plastic and Reconstructive Surgeons ; : 137-143, 2011.
Artigo em Inglês | WPRIM | ID: wpr-785059
ABSTRACT
PURPOSE: Orthognathic surgery is required in patients with severe skeletal disharmony and facial asymmetry, which results in functional and esthetic improvement. Recently, bimaxillary surgery has become generalized. Establishment of the occlusal plane among several other factors included in the surgery plan is a major consideration for the diagnosis and treatment plan and it is also an important factor for postoperative stability.

METHODS:

In this study, we assessed postoperative stability of occlusal plane, B-point, and pogonion point on 20 patients who underwent two-jaw surgery in the Chosun Dental Hospital from 2000 to 2007. Preoperative and postoperative states and at least a one year postoperative follow-up were compared.

RESULTS:

The postsurgical relapse volume of the occlusal plane to the SN plane and the FH plane was -0.26+/-2.8degrees and -0.44+/-3.29degrees, respectively and after two-jaw surgery, the stability of occlusal plane was maintained. The horizontal relapse degree was 0.85+/-0.46 mm and 0.76+/-0.48 mm, respectively, and the vertical relapse degree was 1.16+/-0.36 mm and 1.13+/-0.71 mm of the B point and the Pogonion point at the time after minimal 1 year.

CONCLUSION:

The vertical relapse amount was shown to be slightly larger than the horizontal relapse amount.
Assuntos

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Recidiva / Seguimentos / Oclusão Dentária / Assimetria Facial / Cirurgia Ortognática Tipo de estudo: Estudo observacional / Estudo prognóstico Limite: Humanos Idioma: Inglês Revista: Journal of the Korean Association of Maxillofacial Plastic and Reconstructive Surgeons Ano de publicação: 2011 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Recidiva / Seguimentos / Oclusão Dentária / Assimetria Facial / Cirurgia Ortognática Tipo de estudo: Estudo observacional / Estudo prognóstico Limite: Humanos Idioma: Inglês Revista: Journal of the Korean Association of Maxillofacial Plastic and Reconstructive Surgeons Ano de publicação: 2011 Tipo de documento: Artigo