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1.
Journal of Practical Stomatology ; (6): 277-279, 2018.
Artigo em Chinês | WPRIM | ID: wpr-697501

RESUMO

19 cases with vertical alveolar bone resoption wer examined by CBCT and treated by orthodentic therapy, the changes of alveolar ridge height, bone defect and bone mineral density were analysed. After treatment, the defect area of alveolar bone was decreased(P< 0. 05), the density of defect area of alveolar bone was increased(P< 0. 05). CBCT plays an important role in the evaluation of vertical alveolar bone absorption and reconstruction treated by orthodontic therapy.

2.
Journal of Practical Stomatology ; (6)2001.
Artigo em Chinês | WPRIM | ID: wpr-547138

RESUMO

Objective:To identify the cytotoxicity of four dental casting alloys on human gingival fibroblasts.Methods: MIT assay method was used to evaluate the cytotoxicity of four alloys on human periodontal ligament fibroblasts(HPDLFs) isolated from healthy periodontal ligaments of subjects on the 2nd d,4th d and 7th d of culture.Flow Cytometry(FCM) was used to evaluate the cytotoxicity of four alloys to human gingival fibroblasts.Results: It was found that there was no apparent cytotoxicity of all the four alloys.Conclusion:MTT and FCM methods show the same results.These four alloys have good biocompatibilities.

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