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[Construction of platform on the three-dimensional finite element model of the dentulous mandibular body of a normal person].

Gong, Lu-Lu; Zhu, Jing; Ding, Zu-Quan; Li, Guo-Qiang; Wang, Li-Ming; Yan, Bo-Yong.
Hua Xi Kou Qiang Yi Xue Za Zhi; 26(2): 144-6, 151, 2008 Apr.
Artigo em Zh | MEDLINE | ID: mdl-18605450

OBJECTIVE:

To develop a method to construct a three-dimensional finite element model of the dentulous mandibular body of a normal person.

METHODS:

A series of pictures with the interval of 0.1 mm were taken by CT scanning. After extracting the coordinates of key points of some pictures by the procedure, we used a C program to process the useful data, and constructed a platform of the three-dimensional finite element model of the dentulous mandibular body with the Ansys software for finite element analysis.

RESULTS:

The experimental results showed that the platform of the three-dimensional finite element model of the dentulous mandibular body was more accurate and applicable. The exact three-dimensional shape of model was well constructed, and each part of this model, such as one single tooth, can be deleted, which can be used to emulate various tooth-loss clinical cases.

CONCLUSION:

The three-dimensional finite element model is constructed with life-like shapes of dental cusps. Each part of this model can be easily removed. In conclusion, this experiment provides a good platform of biomechanical analysis on various tooth-loss clinical cases.