无牙下颌不同厚度黏骨膜能量传递率三维有限元分析

A three-dinensional finite element analysis of the rate of energy transferring of the mucosa of different thickness of edentulous mandible

目的:分析在冲击载荷下无牙下颌不同厚度黏骨膜能量缓冲能力的大小。方法:利用无牙下颌标准模型建立三维有限元模型,计算不同黏骨膜厚度时能量传递率的大小。结果:随着黏骨膜厚度的增加(0~5.0mm),黏骨膜能量传递率由100%降至22.55%。结论:黏骨膜的能量缓冲能力随着其厚度的增加而增大。

Objective：To study the energy relieving effect of different thickness of mucosa beneath mandibular com- plete denture and try to analyze clinical question of prosthodontics using energy analysis methods. Method：A 3-dimensional finite dement（3-DFE） m^xld of the mandiblar complete denture and its supporting tissue were set up. Their rate of energy transferring were respectivdy caculated when mucosal thickness was different. Result：The mucosal rate of energy transferring descend from 100% to 22.55% ,with its different thicknss grow from 0mm to 5.0mm under punching loads.Conclusion：The energy relieving effect of mucosa grows with its thickness.