"Differential Diagnosis:  Is it Herpes or Aphthous?" Terri S.I. Tilliss, RDH, MS, MA; John D. McDowell, DDS, MS Recurrent aphthous stomatitis and recurrent intraoral herpes are the two most commonly presenting oral lesions in the dental setting. The authors provide oral health professionals with important information needed to accurately discriminate between these disorders.
	Evaluation of Apical Leakage of Root Canals Obturated with Nd: Yag laser-softened Gutta-percha, System-B, and Lateral Condensation Techniques Murat Maden, BDS; Güliz Görgül, BDS, PhD; A. Cemal Tinaz, BDS, PhD This study compares the apical leakage from obturated root canals using lateral condensation; Nd: YAG laser-softened gutta-percha and System-B techniques.
	Capabilities of Computerized Clinical Decision Support Systems:  The Implications for the Practicing Dental Professional Hikmet Umar, DMD, MSIS This article presents the use of captured data within the range of patient care activities of the dental practitioner and describes the use of computer technology in dentistry during a typical patient visit.