Cold light tooth whitening is a commonly used tooth whitening technology. It uses high-intensity blue light to filter the harmful light and irradiate it on the teeth. The redox reaction of the whitening agent removes the pigment attached to the tooth surface to achieve the whitening effect. However, it only works better for some friends
1. Regarding external stainings of teeth, such as products such as coffee, soy sauce, tea, smoking, cola or red wine
2. Mild to moderate tetracycline teeth, dental fluorosis, or discolored teeth caused by other factors, hereditary yellow and black teeth, generally after a cold light whitening treatment, satisfactory results can be obtained.
3. Severe tetracycline teeth, dental fluorosis, or discolored teeth caused by other factors generally require more than one treatment, with a half-month interval between them, in order to obtain satisfactory results for both doctors and patients.
Precautions for cold light whitening
First of all, the cold-light tooth whitening process may cause side effects. Some friends may feel tooth hypersensitivity or toothache. In order to reduce the discomfort caused by the operation, it is recommended to avoid hot and cold drink stimulation within 24 hours after treatment.