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A toxina botulínica tipo A (BoNT-A) tem ganhado destaque como ferramenta terapêutica e estética na medicina dentária contemporânea. Esta revisão narrativa teve como objetivo explorar as principais aplicações da BoNT-A no contexto clínico do médico dentista, reunindo evidências científicas recentes quanto à sua eficácia, indicações, limitações e implicações éticas. Foram analisados 22 estudos selecionados a partir de bases de dados como PubMed, SciELO, LILACS e b-on. No campo estético, a toxina é utilizada na correção do sorriso gengival, rugas de expressão e assimetrias faciais dinâmicas, demonstrando segurança, previsibilidade e elevada taxa de satisfação dos pacientes. Já no âmbito terapêutico, destaca-se sua eficácia no tratamento do bruxismo, disfunções temporomandibulares (DTM), sialorreia e nevralgia do trigémeo, especialmente em casos refratários a terapias convencionais. A revisão aponta que, embora os resultados clínicos sejam promissores, a heterogeneidade dos estudos, a ausência de protocolos clínicos padronizados e a carência de regulamentação específica dificultam a consolidação do uso da toxina na prática odontológica. A atuação do médico dentista neste contexto exige formação técnica especializada, conhecimento anatómico rigoroso e conduta ética fundamentada. A integração da BoNT-A em planos terapêuticos multidisciplinares representa uma oportunidade de ampliar o escopo da medicina dentária, contribuindo para o alívio da dor, melhora funcional e valorização estética do paciente. Conclui-se que, quando aplicada com critério e responsabilidade, a toxina botulínica tipo A pode ser um recurso clínico valioso, seguro e eficaz na prática odontológica atual.
Botulinum toxin type A (BoNT-A) has emerged as an increasingly relevant tool in both therapeutic and aesthetic procedures within contemporary dental medicine. This narrative review aims to explore the primary clinical applications of BoNT-A by dental practitioners, analyzing current scientific evidence regarding its effectiveness, indications, limitations, and ethical considerations. A total of 22 studies were selected from databases including PubMed, SciELO, LILACS, and b on. In aesthetic dentistry, BoNT-A is used to treat gummy smiles, dynamic facial wrinkles, and asymmetries, with high levels of patient satisfaction and minimal invasiveness. Therapeutically, it shows positive outcomes in the management of bruxism, temporomandibular disorders (TMD), sialorrhea, and trigeminal neuralgia, especially in patients resistant to conventional treatments. While clinical results are promising, the review highlights a lack of standardization in clinical protocols, heterogeneous study designs, and insufficient regulatory guidelines as current limitations to its broader implementation. The use of BoNT-A by dental professionals requires specialized training, ethical practice, and detailed anatomical knowledge. When integrated into multidisciplinary treatment plans, it offers significant benefits in terms of pain relief, functional recovery, and facial esthetics. This review concludes that, with appropriate indication and clinical rigor, botulinum toxin type A can be a valuable and safe addition to modern dental practice, helping to expand the role of dentists in managing both aesthetic and therapeutic needs.
Botulinum toxin type A (BoNT-A) has emerged as an increasingly relevant tool in both therapeutic and aesthetic procedures within contemporary dental medicine. This narrative review aims to explore the primary clinical applications of BoNT-A by dental practitioners, analyzing current scientific evidence regarding its effectiveness, indications, limitations, and ethical considerations. A total of 22 studies were selected from databases including PubMed, SciELO, LILACS, and b on. In aesthetic dentistry, BoNT-A is used to treat gummy smiles, dynamic facial wrinkles, and asymmetries, with high levels of patient satisfaction and minimal invasiveness. Therapeutically, it shows positive outcomes in the management of bruxism, temporomandibular disorders (TMD), sialorrhea, and trigeminal neuralgia, especially in patients resistant to conventional treatments. While clinical results are promising, the review highlights a lack of standardization in clinical protocols, heterogeneous study designs, and insufficient regulatory guidelines as current limitations to its broader implementation. The use of BoNT-A by dental professionals requires specialized training, ethical practice, and detailed anatomical knowledge. When integrated into multidisciplinary treatment plans, it offers significant benefits in terms of pain relief, functional recovery, and facial esthetics. This review concludes that, with appropriate indication and clinical rigor, botulinum toxin type A can be a valuable and safe addition to modern dental practice, helping to expand the role of dentists in managing both aesthetic and therapeutic needs.
Descrição
Palavras-chave
Toxina botulínica Harmonização oro-facial Estética oro-facial Disfunções orofaciais Aplicações clínicas Botulinum toxin type A Orofacial harmonization Orofacial aesthetics Bruxism Dental clinical applications
