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随着口腔医学的发展,镶牙技术不断完善,镶牙种类不断增多。除了传统的固定义齿(固定假牙)和活动义齿(活动假牙)的修复之外,现在临床越来越多地应用桩冠和覆盖义齿的修复方法。种植义齿(种植假牙)也在逐渐为患者所接受。 桩冠又称钉冠,是利用金属桩插入牙根的根管内固位,再在金属桩上粘着一个假牙冠。凡是因外伤、楔状缺损等牙冠折断后残留的
With the development of stomatology, the technology of dental inlay is continuously improved and the types of dental inlay are increasing. In addition to the traditional restoration of fixed dentures (fixed dentures) and dentures (removable dentures), prostheses and overdentures are being used more and more in clinics. Implants (dentures) are also being gradually accepted by patients. Pile crown, also known as nail crowns, is the use of metal posts inserted into the root canal root retention, and then stuck to a metal crown dentures. All due to trauma, wedge-shaped defects such as residual fracture after the crown