首页>
外国专利>
Screwdriver/mandrel for dental implants, comprises an instrument of operation has a left screw thread at its working end, and screwing element having cover screw, cicatrization stump and connecting screw with six internal face
Screwdriver/mandrel for dental implants, comprises an instrument of operation has a left screw thread at its working end, and screwing element having cover screw, cicatrization stump and connecting screw with six internal face