Orofacial pain

Sponsorships or competing interests that may be relevant to content are disclosed at the end of this article. Departments of Endodontics, Pharmacology, Physiology and Surgery, University of Texas Health Science Center at San Antonio, San Antonio, TX 78229, USA *Address: Department of Endodontics, UTHSCSA, 7703 Floyd Curl Drive, San Antonio, TX 78229, USA. Tel.: +1 210 567 3388; fax: +1 210 567 3389. E-mail address:[email protected] Submitted September 2, 2010; revised December 14, 2010; accepted December 15, 2010.