Tooth whitening: Does light activation improve efficacy?


This review of the effect of light activation on tooth whitening efficacy included 21 RCTs finding that neither the efficacy nor the risk of tooth sensitivity of in-office bleaching was influenced by the use of light, regardless of the hydrogen peroxide concentration.

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Review found little difference in orthodontic bonding failure rates with different types of curing lights

iStock_000002551343XSmall colourful braces on teeth

Light systems to cure orthodontic bonding materials to attach orthodontic brackets have been in use for many years. In recent years, alternatives to halogen lights, including light emitting diodes (LEDs) and plasma lights, have been developed. The aims of this review was to compare bracket failure risks and times taken to place attachments with 3 [read the full story…]