Análise em micro-CT de dente rachado em segundo molar mandibular com anatomia em C após trauma oclusal: Relato de caso

Autores

DOI:

https://doi.org/10.33448/rsd-v10i3.13840

Palavras-chave:

Dente rachado; Tratamento endodôntico; Micro-CT.

Resumo

O objetivo do presente estudo foi analisar em micro-CT dente extraído por fissura. Uma mulher de 38 anos, branca, com queixa de desconforto ocasional após morder caroço de milho de pipoca, procurou a urgência. Após exame clínico intra-oral e radiográfico, o segundo molar mandibular direito (dente 47) foi diagnosticado com polpa viva e fratura das cúspides linguais, e após remoção de restauração de amálgama constatou-se fratura incompleta iniciada na crista proximal distal da coroa. O plano de tratamento iniciou-se com reabilitação protética através de coroa total. Três meses após pulpite irreversível sintomática foi diagnosticada. A cavidade pulpar foi acessada através da coroa protética e o dente foi tratado endodonticamente. Dois anos depois a paciente apresentou fístula próxima a sulco gengival e sondagem periodontal de 12mm no centro da superfície distal. Ao exame tomográfico de feixe cônico observou-se extensa perda óssea atingindo o canal mandibular. O plano de tratamento foi a exodontia do elemento dentário e posterior planejamento de implante. O dente extraído foi então submetido ao escaneamento no micro-CT. Na análise das imagens do micro-CT do dente extraído, constatou-se dente rachado, com trinca estendendo-se da coroa até a raiz proximal (face distal). Foi verificado também má adaptação do cone de guta-percha no terço apical do tratamento endodôntico realizado.  Através deste relato, podemos inferir que, o diagnóstico de dente rachado é um desafio na prática clínica, e a propagação corono-radicular da rachadura está associada a infiltração microbiana e consequente risco de perda do elemento dental.

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Publicado

24/03/2021

Como Citar

VELOZO, C.; DANTAS, H.; SOUSA, F. B. de .; ALBUQUERQUE, D. S. de . Análise em micro-CT de dente rachado em segundo molar mandibular com anatomia em C após trauma oclusal: Relato de caso. Research, Society and Development, [S. l.], v. 10, n. 3, p. e52210313840, 2021. DOI: 10.33448/rsd-v10i3.13840. Disponível em: https://rsdjournal.org/index.php/rsd/article/view/13840. Acesso em: 28 set. 2024.

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Ciências da Saúde