Avaliação das técnicas de inserção de MTA em dentes preparados apicalmente simulando rizogênese incompleta: estudo in vitro

Autores

DOI:

https://doi.org/10.33448/rsd-v11i11.33745

Palavras-chave:

Apicificação; Canal radicular; Endodontia.

Resumo

A apicificação com MTA na rizogênese incompleta permite a formação da barreira apical de forma rápida e segura, contudo, existe a dificuldade da sua inserção nos condutos radiculares. Neste estudo avaliou-se comparativamente, in vitro, a eficácia do selamento apical em dentes humanos, quando utilizados os dispositivos: porta-MTA, broca Lentulo e cone de guta percha. Foram utilizados 60 dentes anteriores extraídos, com comprimentos entre 20 e 25 mm. O preparo dos canais radiculares deu-se pelo uso das brocas Gates-Glidden, progressivamente, do número 1 ao número 4, e para a simulação da divergência apical, usou-se a 5, de forma retrógrada. A amostra foi randomizada em 3 grupos (n=20) para a confecção dos plugs apicais. Grupo 01, broca Lentulo, grupo 2, o porta-MTA e o grupo 3, cone de guta-percha #80. A qualidade das barreiras apicais passou pela avaliação de um residente em Endodontia, por meio de radiografias periapicais digitais. Considerou-se um escore de 0 a 3, verificando a correspondência do plug apical ao ápice radiográfico, o preenchimento dos 4 mm apicais da raiz e a ausência de espaço entre o material e as paredes do canal. Os resultados mostraram que não houve diferença significativa entre os grupos (p> 0,05) e os escores em ordem decrescente foram: 2 (48,3%), 1 (23,3%), 3 (18,4%) e 0 (10%). Concluiu-se que não existiu diferença na eficácia do selamento apical em dentes humanos, in vitro, simulando rizogênese incompleta, quando comparados a broca Lentulo, o porta-MTA, e cone de guta percha.

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Publicado

28/08/2022

Como Citar

TOMAZOLI, A. T. P.; CABAU, L.; TOLENTINO, E. .; PAVAN, N. N. O. .; TOOKUNI, I. V. M.; ENDO, M. S. . Avaliação das técnicas de inserção de MTA em dentes preparados apicalmente simulando rizogênese incompleta: estudo in vitro. Research, Society and Development, [S. l.], v. 11, n. 11, p. e456111133745, 2022. DOI: 10.33448/rsd-v11i11.33745. Disponível em: https://rsdjournal.org/index.php/rsd/article/view/33745. Acesso em: 27 set. 2024.

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