胶托式和铸钛支架式可摘局部义齿与老年患者根龋关系的临床研究
효탁식화주태지가식가적국부의치여노년환자근우관계적림상연구
The clinical research of the difference on incidences of root caries between elderly patients who wear acrylic removable partial denture and the ones who use titanium casting framework denture