April 28, 2019
The preservation of jawbone en mass is highly contingent on maintaining good implant health, which is facilitated by positioning of the fixtures in a manner that facilitates hygiene as well as with proper biomechanical considerations.
In my prior article I focused on the causes for bone atrophy, in particular as it relates to Iatrogenic causes and how this can be controlled with timely removal of diseased teeth, avoidance of dentures, and proper positioning of implants.
It was put then to me by a colleague that we are all taught early in our careers that implants preserve the jaw bone, the hard question is: where is the evidence that (well positioned) implants do in-fact preserve jawbone?
If we are talking about alveolar bone that is present around healthy teeth, then as I stated in my prior article on natural atrophy this cannot be stopped, and it cannot be reliably preserved even with implants. What I am talking about in my article is stimulation of deeper basal bone through functional loading.
The picture below illustrates the loss of alveolar bone irrespective of the presence of dental implants …