However, this same article goes on to say that, based on the available research, there is insufficient evidence showing that these lights measurably speed up or enhance the whitening process in any way.At least from a light perspective, the White Light Toothbrush contains only two small bulbs located in the head of the brush, while a professional light wWhite Light Smile Reviews ill provide much more intensity. Also, in a professional setting, the patient’s mouth will be propped open using a plastic device to ensure that the light is reaching all teeth surfaces evenly. In an at-home setting though, the White Light Toothbrush will not provide this same even coverage.An example of how light is used during teeth whitening in a professional setting. Image courtesy of bestteethwhiteninginfo.com. http://drozforskolin.org/white-light-smile-reviews/