Process: This method is very simple, use appropriative brush to be bleacher besmear on the tooth later in clean tooth namely.

• 过程：我首先戴上了眼罩，医生在牙肉上涂上了保护物质，接着涂上专业的牙齿漂白剂，然后用一种蓝光照射牙齿激活那些成分。