6 Attention to Teeth whitening
Teeth whitening is a common cosmetic dentistry procedure designed to improve the appearance of your teeth, making them look whiter and brighter. Here are some important points to know about teeth whitening: Teeth whitening methods: teeth whitening methods can be categorized into two main groups: external whitening and internal whitening. External whitening refers to the use of bleaching agents to remove pigments and stains from the surface of the teeth, mainly products such as dental bleach, veneers and toothpaste. Internal whitening refers to improving the color of your teeth by bleaching the inside of your teeth, which usually needs to be done under the guidance of your dentist. Principle of teeth whitening: The principle of teeth whitening is mainly that the active oxidants in bleaching agents can penetrate the pigment particles on the surface of the teeth and turn them into colorless or inconspicuous colors, thus making the teeth look whiter. Types of bleaching agents: Common ble...