Currently, cosmetic teeth whitening or teeth bleaching is performed, either in a dental office or by an independent entrepreneur, by placing a peroxide-based bleaching gel into direct contact with the dental hard tissues. This contact of bleach to teeth is facilitated either by painting the gel directly onto the teeth or by use of a custom made whitening tray loaded with bleaching gel that is placed into the mouth to carry the gel and keep it held in constant contact with the outer surface of the teeth. It has been shown that these two methods will result in noticeable whitening of the teeth, with the finished degree of whitening being based on both the relative strength and concentration of the peroxide-based gel and the amount of time that the active gel is left in contact with the surface of the teeth. If the concentration was low, a longer amount of time of contact with the bleach was needed to achieve a satisfactory result. This meant that for the patient a number of daily treatments were needed either in the dental office or at the patient’s home for the teeth to become satisfactorily white.
Making the bleach concentration stronger, on the other hand, would speed the color change, but would often lead to increasingly painful tooth sensitivity, which was a very non-desirable result for both the patient and practitioner. So, experience showed that a good result could be obtained at home if the patient used either a medium peroxide concentration of bleaching gel coupled with a regimen of spacing the treatments into an hour per day for a number days to a week, or to all-night bleaching with a low peroxide concentration gel every night for a 7-21 day course of treatment. These two variations of the teeth bleaching processes have been used for many years with a good and predictable outcome for the patient who actually correctly completes the treatment regimen.
The only downside was that results were not immediately obtained, but were gained incrementally over a number of days or weeks. Since this type of treatment was done unsupervised at home, strict compliance with treatment guidelines was many times hard, if not impossible to maintain, and results and patient satisfaction with the treatment were many times negative.
Therefore, many a practitioner hoped for a way that could combine the shortest course of treatment, coupled with the ability to be able to supervise the entire treatment to a satisfactory conclusion, that was both easy and pain free from sensitivity to the patient.
This hope resulted in what is now known as Chairside Power Bleaching, the system used by SmileLABS™. By combining a higher concentration of peroxide gel with the use of a strong, safe wavelength of light as an accelerator or catalyst to the teeth bleaching reaction, a much shorter time of contact between gel and tooth resulted that increased the bleaching efficiency of the gel and shortened treatment time by a very large factor, while keeping the process mostly free from sensitivity and achieved the patient’s desire of whiter teeth in minutes instead of days. The question is now whether that combination of gel and light really works.
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