How about brushing your teeth with cold water in winter?

Many people are used to brushing their teeth with cold water. It doesn't matter in summer, the water temperature is much lower than the body temperature in winter. Brushing your teeth with cold water is bad for your teeth. As the saying goes, "people lose all their teeth before they get old." Brushing your teeth with cold water can easily lead to gingival atrophy, tooth loosening and shortened tooth life.

Warm teeth means brushing your teeth and gargling with warm water (water with a water temperature of about 35℃). If you don't pay attention to the water temperature when brushing or gargling, and brush your teeth with cold water for a long time, gum atrophy and tooth loosening will occur.

Teeth and gums are often stimulated by sudden cooling and sudden heating, which may lead to various diseases of teeth and gums and shorten the life of teeth. The life span of teeth is shorter than that of human body, which is rooted in the habit of "brushing your teeth with cold water".

For normal people, brushing teeth with cold water will not cause actual harm to teeth, and it will not lead to pulpitis and short-lived teeth. Even in winter, you can brush your teeth with cold water. If you feel uncomfortable brushing your teeth with cold water, you'd better brush your teeth with warm water around 35℃.