Effect of NaOCl and EDTA irrigating solutions on the cyclic fatigue resistance of EdgeTaper Platinum instruments.

Background: To compare the solution on the cyclic fatigue resistance of EdgeTaper Platinum (ETP) instruments with that of ProTaper Gold (PTG) in the presence of ethylenediaminetetraacetic acid (EDTA) or sodium hypochlorite (NaOCl) irrigating solutions.

Methods: Sixty PTG and 60 ETP instruments with the same size (#25) and taper (8%) were tested under 17% EDTA, 5.25% NaOCl, or distilled water (n = 20 each).

Dental anxiety among dental, medical, and nursing students of two major universities in the central region of the Kingdom of Saudi Arabia: a cross-sectional study.

Background: Dental anxiety is one of the most common fears that can eventually lead to avoidance of dental care. Knowing how students will respond to dental treatment will aid in increasing their awareness of oral health and overcoming this fear. The present study measured the prevalence of dental anxiety among dental, medical, and nursing students in Riyadh city, Kingdom of Saudi Arabia.