Controlled drug release in periodontics: a review of new therapies.

Controlled drug release formulations are rapidly gaining importance in drug therapy as replacements for conventional systemic dosages. Examples include skin patches for treatment of angina pectoris and motion sickness, eye inserts for glaucoma and implants for prolonged release of contraceptives. This paper will review the current status of periodontal controlled release devices and look at their potential role in periodontal treatment.