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Etiologia e tratamento de maloclusão de classe III: revisão narrativa
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Abstract(s)
Introdução: A maloclusão Classe III de Angle caracteriza-se por uma alteração intermaxilar manifestada por um posicionamento mais anterior da mandíbula em relação à maxila e causada pelo crescimento anormal de uma ou ambos os maxilares. Pode ser devido a modificações esqueléticas e dentoalveolares que são representadas por retrognatia maxilar, prognatismo mandibular ou uma combinação de ambos.
Objetivo: Contribuir para um maior conhecimento da malocclusão Classe III assim como uma melhor compreensão dos seus factores etiológicos e dos seus vários tratamentos.
Metodologia: Realizou-se uma pesquisa bibliográfica, recorrendo à base de dados PubMed e Elsivier, com os termos “mandibular prognathism”, “Class III maloclusion” e o operador boleano AND com os termos : “Etiology”, “Orthodontic treatment”, “genetica” e “mastigatory muscles”, publicados nos últimos 50 anos.
Conclusão: A etiologia da Classe III é multifactorial devido a influências genéticas, físicas ou ambientais. O conhecimento destes factores permite uma melhor compreensão da maloclusão e o estabelecimento precoce dos tratamentos que promovem a recuperação em pessoas com maloclusão de Classe III. A presença dos diferentes tratamentos, que já mostraram a sua eficácia ou que apareceram recentemente, mostra que a abordagem da maloclusão de Classe III está em constante evolução.
Introduction: Angle Class III malocclusion is characterized by an intermaxillary change manifested by a more anterior positioning of the mandible relative to the maxilla and caused by abnormal growth of one or both maxillae. It can be due to skeletal and dentoalveolar changes that are represented by maxillary retrognathia, mandibular prognathism or a combination of both. Objective: Contribute to a greater knowledge of Class III malocclusion as well as a better understanding of its etiological factors and its various treatments. Methodology: A literature search was conducted using the PubMed and Elsivier databases for human and animals studies, with the terms "mandibular prognathism", "Class III malocclusion" combined using the Boolean term AND with the terms: "Etiology", "Orthodontic treatment", "genetics" and "masticatory muscles". published in the last 50 years. Conclusion: The etiology of Class III is multifactorial due to genetic, physical or environmental influences. Knowledge of these factors allows a better understanding of malocclusion and the early establishment of treatments that promote recovery in people with Class III malocclusion. The presence of the various treatments, which have already shown their efficacy or have appeared recently, shows that the approach to Class III malocclusion is in constant evolution.
Introduction: Angle Class III malocclusion is characterized by an intermaxillary change manifested by a more anterior positioning of the mandible relative to the maxilla and caused by abnormal growth of one or both maxillae. It can be due to skeletal and dentoalveolar changes that are represented by maxillary retrognathia, mandibular prognathism or a combination of both. Objective: Contribute to a greater knowledge of Class III malocclusion as well as a better understanding of its etiological factors and its various treatments. Methodology: A literature search was conducted using the PubMed and Elsivier databases for human and animals studies, with the terms "mandibular prognathism", "Class III malocclusion" combined using the Boolean term AND with the terms: "Etiology", "Orthodontic treatment", "genetics" and "masticatory muscles". published in the last 50 years. Conclusion: The etiology of Class III is multifactorial due to genetic, physical or environmental influences. Knowledge of these factors allows a better understanding of malocclusion and the early establishment of treatments that promote recovery in people with Class III malocclusion. The presence of the various treatments, which have already shown their efficacy or have appeared recently, shows that the approach to Class III malocclusion is in constant evolution.
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Keywords
Mandibular prognathism Class III maloclusion