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随着科学技术的进步发展,新理论、新材料、新工艺的不断出现和完善,使可摘局部义齿由钢丝和塑料的简单组合发展成支架式可摘局部义齿,即人工牙和基托由甲基丙烯酸类树脂制作,支架及固位体用金属制作。因支架式可摘局部义齿用金属连接体取代了部分塑料基托,不但使义齿坚固耐用,而且使义齿体积明显减小,增加了患者的美观
With the development of science and technology, new theories, new materials and new techniques continue to emerge and improve so that the removable partial denture can be developed from a simple combination of steel wire and plastic into a stent-mounted partial denture, that is, the artificial tooth and the base Methacrylic resin production, stent and retainer made of metal. Due to the stent-mounted partial denture with metal connectors replaced part of the plastic base, not only sturdy dentures, but also significantly reduce the denture volume, increasing the patient’s beauty