[3-dimensional finite element stress analysis of the periodontal ligament of bridge abutments in mandibular posterior fixed bridge].
According to the measured data, the characters of all components of fixed bridge and the periodontal supporting tissues, and the dividing principals of finite element, the three-dimensional finite element model was developed on the basis of a try adult mandible. 6 vertical loadings and 1 horizontal loading were applied on the abutments and the pontic. The Emax and Emin of PDL were calculated and the resulting principal stresses were plotted for each loading.
Tang
L
L
Department of stomatology, Medical College of Jinan University, Guangzhou.
D000328:Adult; D003196:Computer Graphics; D000044:Dental Abutments; D003799:Dental Stress Analysis; D003830:Denture, Partial, Fixed; D006801:Humans; D008022:Ligaments / Q000502:physiology; D008334:Mandible / Q000502:physiology*; D010519:Periodontium / Q000502:physiology*; D013314:Stress, Mechanical