Antibiotic and Opioid Analgesic Prescribing Patterns of Dentists in Vancouver and Endodontic Specialists in British Columbia.

Aim: To assess the prescribing decisions of general dentists in Vancouver and endodontists in British Columbia regarding analgesics and antibiotics for patients with endodontic disease. An additional aim was to determine whether gender, clinical experience or practice location have an impact on such decisions.

Methods: A 4-page survey was developed and distributed to approximately half the general dentists in Vancouver (n = 259) and all of the endodontists in British Columbia (n = 50).

ProFile Vortex and Vortex Blue Nickel-Titanium Rotary Instruments after Clinical Use.

Introduction: The aim of this study was to analyze the incidence and mode of ProFile Vortex and Vortex Blue instrument defects after clinical use in a graduate endodontic program and to examine the impact of clinical use on the instruments' metallurgical properties.

Methods: A total of 330 ProFile Vortex and 1136 Vortex Blue instruments from the graduate program were collected after each had been used in 3 teeth. The incidence and type of instrument defects were analyzed.