LOCK FIXATION OF PARTIAL REMOVABLE DENTURE FOR TREATING FINAL DEFECTS OF LOWER DENTITION

摘要

The lock fixation of the partial removable denture for treating the final defects of the lower dentition contains patrix and matrix. The patrix contains the bar-shaped with the specified radius of the friction surface. The matrix integrated into the basis of the denture contains the surface, which is congruent to the patrix and elongated by the length of the working stroke.