The primary material for teeth whitening is bleaching gel, typically costing under 100 yuan. Currently popular is cold light whitening, where a whitening agent is applied to the teeth and activated by a specialized cold light source to achieve whitening. However, results vary from person to person.
Everyone desires beauty and aspires to a perfect, confident smile. Yet, unsightly teeth can diminish one's overall appearance.
Teeth whitening also has contraindications. For instance, fluorosis and tetracycline-stained teeth cannot be whitened with current techniques and require cosmetic restoration instead.
Currently popular is cold light teeth whitening, where a whitening agent is applied to the teeth and activated by a special cold light source to achieve whitening. However, the specific results vary from person to person.
Additionally, teeth cleaning and sandblasting are mechanical processes that remove dental deposits. These are well-known procedures, and of course, medications to protect the gums and prevent sensitivity are used.