The principle of cold light whitening is to penetrate the drug into the tooth tissue through cold light, so as to achieve the effect of whitening.
It’s a type of chemical bleaching.
Extrinsic pigment is sticky and dyed, endogenously pigmented is composed and so on suits to use cold light quite BEAUTIFUL.
After the patient completes the treatment, we should pay attention to the following matters :(1) within 24 hours after the tooth whitening treatment, the teeth are easy to be infected with colored substances, must avoid drinking tea, coffee, cola, red wine, berry drinks, colored toothpaste, mouthwash and other dark food, and to avoid smoking.
Pay attention to cleaning and maintenance in later life, can make teeth whitening more lasting.
(2) After tooth whitening, individual teeth have the phenomenon of gingival margin bleaching, which will disappear about half an hour after the end of treatment.
In addition, because teeth are layered in the process of development, at the end of the treatment, because of the different degrees of enamel penetration in each part, there will be layered situation, patients with dental fluorosis is more obvious.
But THIS PHENOMENON WILL GRADUALLY RESTORE NATURE WITHIN 24 HOURS, BECAUSE WHITENING AGENT IS STILL EFFECTIVE WITHIN 24 hours AFTER the treatment IS OVER.
(3) There are a few severe tetracycline teeth patients, in the first two days after the first treatment will have a color level rebound, they after the second treatment, whitening effect will be relatively stable.
