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205 - ORTOPEDIA DENTOFACIAL NA INTERCEPTAÇÃO DA MÁ OCLUSÃO CLASSE III DE ORIGEM ESQUELÉTICA: REVISÃO DA LITERATURA

Doi: 10.47094/978-65-284-0452-0/2050-2062

PALAVRAS CHAVE: Má oclusão. Ortodontia Interceptora. Crescimento Craniofacial.

KEYWORDS: Malocclusion. Interceptive Orthodontics. Craniofacial Growth.

ABSTRACT:
Malocclusions can impair orofacial functions, as well as affect facial aesthetics and psychosocial well-being. Among these conditions, skeletal Class III malocclusion stands out due to its multifactorial etiology, involving maxillary deficiency, mandibular prognathism, or the combination of both, in addition to the challenges related to early diagnosis and interceptive treatment. Therefore, the aim of this study was to explore dentofacial orthopedic approaches used in the interception of skeletal Class III malocclusion, with emphasis on maxillomandibular discrepancies. This narrative literature review was conducted through searches in the MEDLINE, Scopus, and Google Scholar databases using descriptors related to Class III malocclusion and early orthopedic treatment. Clinical studies, observational studies, and reviews published between 2000 and 2026 in Portuguese, English, and Spanish were included. The analysis was organized according to the type of skeletal discrepancy. The reviewed literature demonstrated that maxillary deficiency and mandibular prognathism are the main etiological factors, occurring either separately or in combination, and both are influenced by genetic, environmental, and functional factors. These alterations result in a concave facial profile, anterior crossbite, and functional imbalance. Interceptive approaches mainly include maxillary protraction with facemask therapy associated with rapid maxillary expansion, chin cup therapy, and functional appliances. The evidence indicates significant success rates for early treatment, particularly with facemask therapy, although the methodological quality of the studies varies. Furthermore, therapeutic effectiveness is directly related to patient compliance. It was concluded that skeletal Class III malocclusion is a complex condition that requires accurate diagnosis and early intervention. Dentofacial orthopedic approaches have demonstrated effectiveness in modifying craniofacial growth and improving the maxillomandibular relationship.

Autores

  • Antônia Nery Bastos de Oliveira

  • Jéssica Maria de Araujo Barbosa

  • Ricardo Barbosa Lima

  • Érica Santos Costa

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