Really healthy teeth should be teeth with solid texture and natural yellow color. Teeth are composed of inner dentin and outer enamel, while the outer enamel is composed of translucent substances containing calcium. The higher the calcium content, the more transparent the enamel, and the most transparent when the enamel contains calcium completely. At this time, the light yellow enamel color inside is displayed through the enamel, which is the color of healthy teeth. On the contrary, the enamel with insufficient calcium content is opaque white, which is unhealthy.
There are other standards for dental health, and meeting these standards means dental health, not just beauty. First of all, there is no tooth decay, especially in the gap between teeth, which is easy to ignore but easy to get dental caries. Secondly, there is no peculiar smell in the mouth. Usually bad breath is caused by indigestion and other reasons. But if the mouth smells for a long time, it may be an oral disease. Finally, the gums are pink and it doesn't hurt. Gums are equivalent to the soil that nourishes teeth, and healthy gums can ensure the health of teeth.
To sum up, bright white teeth do not mean that the mouth must be healthy, and the color of healthy teeth is light yellow. Moreover, there are many criteria for judging dental and oral health, which need comprehensive evaluation in many aspects. I wish everyone a pair of healthy teeth!