ABSTRACT
The PerioChip is a controlled-release drug delivery system that delivers the antiseptic chlorhexidine into the subgingival environment, maintaining effective levels of the drug for 6-9 days while simultaneously biodegrading. Its recommended clinical use is as an adjunct in the treatment of periodontal diseases as well as in supportive periodontal therapy. This unique delivery system is patented in Israel, the United States, 13 European countries, Australia, Canada, and Japan.
II. HISTORICAL BACKGROUND
