[Anatomo-radiological study of edentulous jaws prior to implant placement].

In the case of a total loss of teeth, a conventional understanding of descriptive anatomy is no longer sufficient. It does not take into account: The principles of osteo-architecture allowing the distribution of different types of bone structure (Haversian, spongy, papyracious) to be understood; The mechanisms of bone resorption; The new anatomical relationships created by such resorption.