Our human teeth are pale yellow. When the enamel is completely calcified, the essence of human teeth will be revealed, so the surface of healthy and strong teeth looks pale yellow. If the degree of calcification of enamel is low, the transparency will be low, and it will appear abnormal white or milky white on the surface. So this shows that the color of teeth close to human skin color is natural, healthy and harmonious, and not everyone needs to do tooth whitening.
Most young people think that the whiter the teeth, the healthier. They even choose toothpaste with whitening effect when buying toothpaste. In fact, this is unnecessary. This behavior is also a wrong understanding. Toothpaste is usually composed of friction agent, essence and other components, the most important of which is friction agent. When we brush our teeth, the friction agent comes into contact with the teeth to generate friction, so that we can brush very clean and remove tooth stains and dirt during brushing. Generally speaking, no matter what kind of toothpaste you buy, the effect will not be too great, and you can clean your teeth. There is no need to excessively pursue toothpaste with whitening effect, which is very limited and has little effect.
The whitening of teeth should also be paid attention to in daily life. Eating too much colored food can also stain teeth with other colors, such as coffee, soy sauce and tea. Be sure to brush your teeth to prevent these foods from hurting your teeth.