Methods: Tooth root Injected solidified calcium phosphate cataplasm tube, then pressed with gutta peneha points.
方法自固化磷酸钙充填糊剂根管内注入后加牙胶尖挤压。
2
By using of the single tube laboratory for R22, tests and compares the evaporation and condensation heat transfer performance with different tooth profile parameters of inner-grooved tube.