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Técnica de micro alongamento coronário versus técnica de elevação de margem profunda: revisão bibliográfica
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A restauração de dentes gravemente danificados com pouca estrutura dentaria, caries extensas ou fraturas que se adentrem profundamente no sulco gengival representa uma situação clínica frequente. Nestes casos, procedimentos adicionais devem ser realizados para garantir margens de restauração adequadas. O objetivo desta revisão foi resumir e comparar a literatura científica existente sobre dois procedimentos utilizados para assegurar uma margem clara de restauração: Alongamento Coronário (AC) e Elevação de Margem Profunda (EMP). O AC consiste na remoção cirúrgica dos tecidos duros e moles para ganhar comprimento do dente supracrestal. A EMP é uma técnica menos invasiva que consiste no deslocamento da margem cervical pela aplicação de um material de resina composta. Pode-se concluir que existe uma clara necessidade de estudos que avaliem o desempenho ao longo prazo e a saúde periodontal de ambas as técnicas. Especialmente da EMP, que embora apresente resultados prometedores, precisa de mais estudos para confirmar seu uso.
The restoration of severely damaged teeth with little tooth structure, extensive caries or fractures that go deep into the gingival sulcus represents a frequent clinical situation. In these cases, additional procedures must be performed to ensure adequate restoration margins. The aim of this review was to summarize and compare the existing scientific literature on two procedures used to ensure a clear restoration margin: Crown Lengthening (CL) and Deep Margin Elevation (DML). Crown Lengthening consists of surgical removal of hard and soft tissues to gain supracrestal tooth length. The EMP is a less invasive technique that consists of displacing the cervical margin by applying a composite resin material. It can be concluded that there is a clear need for studies that evaluate the long-term performance and periodontal health of both techniques. Especially of the EMP, which although it shows promising results, needs further studies to confirm its use.
The restoration of severely damaged teeth with little tooth structure, extensive caries or fractures that go deep into the gingival sulcus represents a frequent clinical situation. In these cases, additional procedures must be performed to ensure adequate restoration margins. The aim of this review was to summarize and compare the existing scientific literature on two procedures used to ensure a clear restoration margin: Crown Lengthening (CL) and Deep Margin Elevation (DML). Crown Lengthening consists of surgical removal of hard and soft tissues to gain supracrestal tooth length. The EMP is a less invasive technique that consists of displacing the cervical margin by applying a composite resin material. It can be concluded that there is a clear need for studies that evaluate the long-term performance and periodontal health of both techniques. Especially of the EMP, which although it shows promising results, needs further studies to confirm its use.
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Dentes gravemente danificados Margens de restauração Alongamento coronário Elevação de margem profunda Severely damaged teeth Restoration margins Crown lengthening Deep margin elevation