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Estudo da estabilidade esquelética após cirurgia de avanço mandibular na classe II óssea: revisão sistemática
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Abstract(s)
Objetivos: O objetivo deste estudo foi verificar se a recidiva que ocorre após cirurgia de avanço mandibular é sempre estatisticamente significativa, e examinar os fatores associados à mesma.
Materiais e métodos: Foi realizada uma pesquisa bibliográfica electrónica na plataforma Pubmed. Tendo como critérios de inclusão: estudos realizados com pacientes portadores de Classe II e tratados com recurso a cirurgia ortognática (bilateral sagital split osteotomy). A pesquisa foi limitada temporalmente aos últimos 11 anos.
Discussão: Com base na recidiva horizontal e vertical associada ao ponto Pogonio e ao ponto B e em medidas do overbite e overjet, observámos que a recidiva nem sempre é estatisticamente significativa. Vários fatores tais como a magnitude do avanço mandibular, ângulo do plano mandibular, idade, género e outros fatores adicionais têm um papel importante na recidiva.
Conclusão: O avanço mandibular com osteotomia sagital bilateral em pacientes portadores de Classe II é considerado um procedimento bastante estável, sendo os principais fatores associados à recidiva a magnitude do avanço mandibular e o ângulo do plano mandibular.
Objectives: The aim of this study was to verify whether the relapse that occurs after mandibular advancement surgery is always statistically significant, and to examine the factors associated with it. Materials and methods: An electronic bibliographic search was performed on the Pubmed platform. Inclusion criteria were: studies performed with Class II patients and treated using orthognathic surgery (bilateral sagittal split osteotomy). The search was temporally limited to the last 11 years. Discussion: Based on horizontal and vertical relapse associated with point Pogonio and point B and measurements of overbite and overjet, we observed that relapse is not always statistically significant. Various factors such as magnitude of mandibular advancement, mandibular plane angle, age, gender and other additional factors play an important role in relapse. Conclusion: Mandibular advancement with bilateral sagittal osteotomy in Class II patients is considered to be a very stable procedure and the main factors associated with relapse are the magnitude of mandibular advancement and the mandibular plane angle.
Objectives: The aim of this study was to verify whether the relapse that occurs after mandibular advancement surgery is always statistically significant, and to examine the factors associated with it. Materials and methods: An electronic bibliographic search was performed on the Pubmed platform. Inclusion criteria were: studies performed with Class II patients and treated using orthognathic surgery (bilateral sagittal split osteotomy). The search was temporally limited to the last 11 years. Discussion: Based on horizontal and vertical relapse associated with point Pogonio and point B and measurements of overbite and overjet, we observed that relapse is not always statistically significant. Various factors such as magnitude of mandibular advancement, mandibular plane angle, age, gender and other additional factors play an important role in relapse. Conclusion: Mandibular advancement with bilateral sagittal osteotomy in Class II patients is considered to be a very stable procedure and the main factors associated with relapse are the magnitude of mandibular advancement and the mandibular plane angle.
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Malocclusion Class II Surgery orthognatic Sistematic review Mandibular advancement Skeletal Stability Relapse Malocclusion Class II Surgery orthognatic Sistematic review Mandibular advancement Skeletal Stability Relapse