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Comparison of quartz-tungsten-halogen, light-emitting diode, and plasma arc curing lights
(2003-Fall)
PURPOSE: This study determined which light source was best at photopolymerizing five representative brands of resin composite. The hypothesis was that there would be no difference in the hardness of the composites when ...
A survey of Canadian dental hygiene faculty needs and credentials
(2005-08)
The American Dental Education Association recently reported that the growing shortage of qualified faculty in dental hygiene education programs has reached a crisis situation. The authors hypothesized that Canadian dental ...
The effect of distance from light source on light intensity from curing lights
(2003-Winte)
PURPOSE: To investigate how light intensity changes as the distance increases from the tip of the light guide. MATERIALS AND METHODS: Ten different curing light/light guide combinations were used. Light intensity was ...
Effect of magnification loupes on dental hygiene student posture
(2008-01)
The chair-side work posture of dental hygienists has long been a concern because of health-related problems potentially caused or exacerbated by poor posture. The purpose of this study was to investigate if using magnification ...
Structure-activity analysis of quorum-sensing signaling peptides from Streptococcus mutans
(2007-02)
Streptococcus mutans secretes and utilizes a 21-amino-acid signaling peptide pheromone to initiate quorum sensing for genetic competence, biofilm formation, stress responses, and bacteriocin production. In this study, we ...
Effect of magnification loupes on dental hygiene student posture
(2008-01)
The chair-side work posture of dental hygienists has long been a concern because of health-related problems potentially caused or exacerbated by poor posture. The purpose of this study was to investigate if using magnification ...