Abstract: Casting for denture restorative trame needs a high quality of equipment,the complex materials,a degree of difficult technique and the useful art.Thus it has some difficulty of casting sharpeless and drawbacks' caused at work.The mutual relations
Abstract: Casting for denture restorative trame needs a high quality of equipment,the complex materials,a degree of difficult technique and the useful art.Thus it has some difficulty of casting sharpeless and drawbacks' caused at work.The mutual relations
文摘:为解决铸造牙科修复支架过程中因各种原因造成铸件变形或缺陷，着重探讨了因铸造合金的性能与浇注系统对铸件的影响，并就解决铸造变形与缺陷提出了相关解决办法。