No difference in survival of mandibular lingual orthodontic retainers placed with chemically and light-cured adhesives


Long-term stability following orthodontic treatment required long-term retention. Compliance with removable retention regimens is variable so some practitioners favour fixed retainers.  The aim of this study was to compare the survival of mandibular lingual retainers placed using either chemical or photo polymerization after orthodontic treatment. Patients who had completed orthodontic treatment with no active caries, [read the full story…]

Light activated tooth whitening increases the risk of tooth sensitivity and may not improve the bleaching effect


Tooth whitening is an increasingly popular cosmetic treatment. In surgery bleaching and dentist-prescribed, home-applied bleaching are the two most common procedures. Light activation using a range of light sources, halogen curing lights, xenon–halogen lights, plasma arcs, light emitting diodes (LEDs), LED plus lasers, and lasers have been used to reduce the bleaching time and decrease [read the full story…]