Botulinum Toxin Type A: Review and Its Role in the Dental Office.

For the general dentist, the use of botulinum toxin type A (BTA) confers the ability to exert control over the soft tissues surrounding the mouth to better create a harmonious smile. The injection of BTA into the facial musculature requires a level of finesse to achieve the desired outcomes. A sound understanding of the toxin's mechanism of action and the ability to manage potential complications are also necessary, as the dentist administering BTA must be competent to the same level as other providers who have traditionally been the gatekeepers of such agents.