[ Dental implants, dental prostheses, pins for artificial teeth, artificial teeth, dental crowns, dental braces, and parts for the aforesaid goods; ] regenerative collagen membranes for use in dentistry, namely, artificial bone growth material; dental apparatus [ and instruments, in particular instruments for inserting dental implants into the jaw bone ]; membranes for methods for guided bone regeneration (GBR), membranes for methods for guided tissue regeneration (GTR), membranes for bone au...