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Influência da hiperplasia condilar no crescimento craniofacial e estabilidade do tratamento de pacientes classe III pós surto de crescimento pubertáro

Authors: Peixoto, Adriano Porto;

Influência da hiperplasia condilar no crescimento craniofacial e estabilidade do tratamento de pacientes classe III pós surto de crescimento pubertáro

Abstract

A estabilidade do tratamento cirúrgico da classe III tem sido uma preocupação com relatos de pequenas ou significativas alterações mandibulares pós-cirúrgicas, Alguns pacientes afetados pela instabilidade do tratamento podem manter relação oclusal aceitável com compensações ortodônticas pós-cirúrgicas, mas outros irão desenvolver alterações oclusais e esqueléticas de forma significativa, necessitando de intervenção adicional ortodôntica e cirúrgica gerando custo adicional e aumento da morbidade. Muitas variáveis têm sido apontadas como preditoras da instabilidade do tratamento, mas poucos estudos sugerem a hiperplasia condilar (HC) como um fator de risco para a correção cirúrgica da Classe III. 51 pacientes classe III foram selecionados consecutivamente de uma população de pacientes operados entre 1996 e 2007 por um único cirurgião. Telerradiografias em norma lateral foram selecionadas nas seguintes fases: diagnóstico inicial, imediatamente antes da cirurgia, imediatamente após a cirurgia e com pelo menos um ano de acompanhamento pós-cirúrgico. Um total de 19 pontos de referência foram identificados e digitalizados através da utilização do software DFPlus (Dentofacial Software Inc, Toronto, Ontario, Canada). Estes pontos de referência foram utilizados para calcular 21 medidas lineares e/ou angulares e 10 medidas horizontais e verticais. A amostra que apresentava classe III associada a hiperplasia condilar obteve maior taxa de crescimento mandibular total pós puberal (2,6 mm) e maior comprimento do corpo (2,2 mm). Diante de uma má oclusão esquelética de classe III associada a HC, a adoção de uma abordagem de tratamento diferenciada é de fundamental importância para a obtenção de resultados estáveis, embora os tratamentos que envolvam a manipulação da articulação temporomandibular...

Class III surgical treatment stability has been a concern with reports of minor or significant post-surgical mandibular change. Most of the patients affected by treatment instability may retain acceptable oclusal relation while some of the skeletal position changes. Other affected patients have to undergo further treatment generating additional cost and increased morbidity. Many variables have been identified as predictors of treatment instability, but few reports suggest condylar hyperplasia as a risk factor for class III surgical correction. 51 class III patients records were consecutively selected from the patient population operated between 1996 and 2007 by the senior author. Lateral cephalometric radiographs were selected at the following periods: initial, immediate before surgery, immediate after surgery and at least one year follow-up). A total of 19 landmarks were identified and digitized using DFPlus software (Dentofacial Software Inc, Toronto, Ontario, Canada). These landmarks were used to compute 21 traditional linear and/or angular measurements and 10 horizontal and vertical measurements. During the observational period in the present sample condylar hyperplasia promoted higher post pubertal total mandibular growth rate (2.6 mm) and higher corpus length (2.2 mm). Appropriate condilar hyperplasia diagnosis and customized approach are mandatory in order to obtain stable results for Class III surgical treatment. Although treatments that involving manipulation of the temporomandibular joint to be viewed with caution by many professionals in the field of surgery, for some articular pathologies, such as condylar hyperplasia, it is necessary to approach the TMJ together with orthognathic surgery so that stable long... (Complete abstract click electronic access below)

Pós-graduação em Ciências Odontológicas - FOAR

Country
Brazil
Keywords

Côndilo mandibular, Hiperplasia, Ortodontia, Mandibular condyle

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green