469 Medical Drive Suite 200 Bountiful, Utah (801) 292-5812

Wednesday, November 2, 2016

The Truth About Bleaching Lights and Lasers

Many people believe that for in office tooth whitening to be effective, you must use a light or laser. In actuality, this is the main reason patients complain of sensitivity after a bleaching session. 

Dr. Rod Kurthy, D.M.D. was tired of his patients complaining about poor results and the pain associated with it. He decided to perform his own study to find out why this was happening to his patients. 

"In a 2005 clinical study by Rod Kurthy, D.M.D., subjects were treated with:
  1. Various bleaching lights and lasers with no whitening gel applied to the teeth
  2. Whitening gel applied to the teeth without the use of bleaching lights or lasers
  3. The same whitening gels combined with use of these bleaching lights and lasers
What Dr. Kurthy found was zero sensitivity caused by bleaching lights or lasers alone. This finding refutes the cause of sensitivity due simply to the heat and/or dehydration caused by bleaching lights and lasers. He also found that use of only the whitening gel resulted in moderate to no sensitivity. However, the combination of bleaching lights or lasers and whitening gel resulted in several cases of severe sensitivity, as well as notably more cases of moderate sensitivity. "

These same findings were confirmed in 2009 and published in the Journal of Esthetic and Restorative Dentistry. 

"In a clinical study published in JOE (Journal of Endodontics) in 2008, the actual cause of this increased sensitivity was revealed. It was found that the combination of high concentration hydrogen peroxide with photon energy from bleaching lights and lasers causes pulpal neurons to produce significant levels of Substance P."

Substance P is a neuropeptide. The sole function of Substance P is to cause pain and inflammation. 

Here at Davis Dental, we don't want to cause our patients pain, so we use the KoR Whitening System. It offers amazing results and patients do not complain of sensitivity! KoR Whitening uses the latest in whitening technology and products, but does not use a light or laser because it does not enhance results. We want to offer our patients the best whitening experience possible!

For more information on KoR Whitening visit, If you're interested in a whiter smile, call our office for more information. We would love to give you the smile you've always dreamed of! 

Davis Dental- (801)292-5812 or

Information gathered from


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