Three-dimensional finite element analysis of the maxillary central incisor in two different situations of traumatic impact

B. da Silva, J. Moreira Neto, F. da Silva and A. de Aguiar

Computer Methods in Biomechanics and Biomedical Engineering, 2013, vol. 16, issue 2, 158-164

Abstract: Dental trauma is one of the most common events in dental practice. However, few studies have investigated the biomechanical characteristics of these injuries. The objective of this study was to analyse the stress distribution in the dentoalveolar structures of a maxillary central incisor subjected to two situations of impact loading. The following loading forces were applied using a 3D finite element model: a force of 2000 N acting at an angle of 90°on the buccal surface of the crown and a vertical 2000 N force acting in the cleidocranial direction on the incisal surface of the tooth. Harmful stresses were observed in both situations, causing damage to both the tooth and adjacent tissue. However, the damage found in soft tissues such as periodontal ligament and dental pulp was negligible. In conclusion, injuries resulting from the traumatic situations were more damaging to the integrity of the tooth and its associated hard-tissue structures.

Date: 2013
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DOI: 10.1080/10255842.2011.611115

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