可摘局部义齿基牙健康状况的临床观察

目的；对比患者不同的口腔卫生习惯，不同的义齿设计，不同的义齿材料等，以分析可摘局部义齿（RPDs)对口腔微生态的影响，方法：在病人戴入RPDs 2a后，用龄病，牙周病常用指数及口腔卫生指数，来检查基牙健康状况，用x2检验分析它们之间的结果有无差异，结果：患者的口腔卫生习惯，义齿的不同设计，均与基牙健康密切相关，而两种不同材料的义齿对基牙的损坏无显著性差异，结论：RPDs基牙的健康与多因素有关。而口腔卫生状况是决定RPDs口腔微生态的重要因素。

Clinic observation onabutment teeth healthily status with the patients wearing removable partial denture

Objective: To compare the effect of different factors (1) oral hygiene habits (2)designs of dentures (3)material of dentures on abutment teeth of removable partial dentures (RPDs). Methods: Abutment teeth healthily of examined patients status after they had worn RPDs two years with index about the caries, periodontal and oral hygiene habits . Their results were analyzed with χ2 statistics. Results:The patients oral hygiene habits and different designs of dentures are close relation with abutment teeth healthily status but different material of dentures is not significantly. Conclusion: The abutment teeth healthily status are relativei with many factors, but oral hygiene is a most important factor.