Gary Armitage, DDS, MS, is the author of the summary paper on the 1999 classifications that appeared in the Annals of Periodontology. He is the R. Earl Robinson distinguished professor in the Division of Periodontology at the University of California, San Francisco.
Dental hygienists may not be aware of the American Academy of Periodontology's 1999 classification system for periodontal diseases. Gary Armitage, DDS, MS, discusses how the system affects dental hygiene practice.
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