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Arq. odontol ; 49(2): 52-59, 2013. ilus
Artigo em Inglês | LILACS, BBO | ID: lil-698344

RESUMO

Aim: The present study aimed to analyze the stress distribution in the dentoalveolar structures of a maxillary central incisor submitted to two situations of impact loading. Materials and Methods: The following loading forces were applied using a three-dimensional finite element model: a force of 500 N at an angle of 45° on the buccal surface of the crown and a 2000 N force acting in the same direction and surface of the tooth. Results: Harmful stress was observed in the second situation, suggesting damage to both the tooth and adjacent tissue. However, the damage found in soft tissues such as dental pulp, was negligible. Conclusion: Injuries resulting from the traumatic situations were more damaging to the integrity of the tooth and its associated hard-tissue structures.


Assuntos
Análise de Elementos Finitos , Imageamento Tridimensional , Traumatismos Dentários , Fenômenos Biomecânicos , Metodologias Computacionais
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