When we talk about Zero Bone Loss, are we talk about bone crestal implant placement. But when we talk about in subcrestal bone implant placement… saucerization is the biological response… to create a biological width!
The magic number is 3 mm from the zenith to the implant platform. 3 mm is the minimum… 4 mm is better if the implant has conical connection or Cone Morse.
The healing abutment must be 2 mm at least separate from the implant platform to organize the collagen fibers in the soft tissue