Upper implants done 8 years ago on 24/05/2012, 

4 years ago – mandibular clearance & 6 implants

Final impression taken at time of implant placement for immediate loading using the HARDEST IMPRESSION MATERIAL in the world with a

 D SHORE HARDNESS of 54

By Drewe( Germany ) & private labelled for Southern Implants in Greece :

Surgical guide made with the same impression material:

Fixed screw retained acrylic temps to be placed in 5 hours & perm screw retained ceramometal in 5 days by Dr Dimitri Tasakos

This is how single implants & permanent Zr teeth can be done all in 5 hours