A. Norman Cranin

Implants in modern dentistry.

prosthesis. The most common conditions leading to loss of teeth are decay and periodontal disease. Both processes are present from childhood to old age, but periodontal disease is usually cited as the leading cause of loss of teeth from the fourth decade on. While great strides have been made in the prevention and early control of periodontitis, it is often impossible to maintain teeth that have suffered advanced bone