Chinese Journal of Tissue Engineering Research ›› 2016, Vol. 20 ›› Issue (20): 2893-2898.doi: 10.3969/j.issn.2095-4344.2016.20.001

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Three-dimensional digital model measurements of the temporomandibular joint

Shen Xiao-ling, Liu Min, Huang Hai-xia, Wang Pin   

  1. Department of Prosthodontics, Hospital of Stomatology,  Southwest Medical University, Luzhou 646000, Sichuan Province, China
  • Received:2016-02-22 Online:2016-05-13 Published:2016-05-13
  • Contact: Wang Pin, Master, Attending physician, Department of Prosthodontics, Hospital of Stomatology, Southwest Medical University, Luzhou 646000, Sichuan Province, China
  • About author:Shen Xiao-ling, Studying for master’s degree, Department of Prosthodontics, Hospital of Stomatology, Southwest Medical University, Luzhou 646000, Sichuan Province, China

Abstract:

BACKGROUND: Guidances for design of Chinese people’s temporomandibular joint prosthesis are urgently needed because foreign prosthesis is unsuitable for Chinese people due to variant anatomy parameters.
OBJECTIVE: To provide a reference for improving the design of artificial temporomandibular joint through computer three-dimensional digital measures of the anatomy parameters of the temporomandibular joint.
METHODS: Continuous CT data with layer thick 0.625 mm of 30 normal temporomandibular joints were selected. Three-dimensional digital reconstruction and eight related anatomy parameter measurements of the articular fossa and condylar of the joints were performed using Mimics10.01 software.
RESULTS AND CONCLUSION: The internal and external diameter of the mandibular fossa, head of mandible and neck of mandible were greater than the anterior and posterior diameter. The mandibular foramen was located at middle-posterior of the ramus of the mandible. The distance between head of the mandible and coronoid process was longer than the depth of the mandibular notch. There were no significant differences between two sides regarding all above-mentioned parameters. There are certain regular patterns in anatomy parameters of the temporomandibular joint. The study results will provide a reference for improving the design of artificial temporomandibular joint.

中国组织工程研究杂志出版内容重点:组织构建;骨细胞;软骨细胞;细胞培养;成纤维细胞;血管内皮细胞;骨质疏松组织工程 

Key words: Temporomandibular Joint, Anatomy, Tissue Engineering

CLC Number: