Joke Collection Website - Mood Talk - I have been brushing my teeth carefully, but my teeth are still yellow. Is it the water quality?
I have been brushing my teeth carefully, but my teeth are still yellow. Is it the water quality?
I think there are some people in their twenties whose teeth are still white. After all, all kinds of reasons can lead to yellow teeth, and some healthy people also have yellow teeth. Many people not only have yellow teeth, but also have various dental problems such as tooth decay.
For example, long-term smoking can cause teeth to turn yellow, just like long-term smokers' fingers will turn yellow, even if they wash their hands carefully, it is useless; There are also some drugs that have the disadvantage of yellow teeth; There are also toothpaste problems that may make teeth yellow, such as buying unqualified toothpaste or toothpaste that is not suitable for your teeth; Water quality is also a problem. The poor water quality in many places can easily lead to people's teeth turning yellow in this area than in other areas. As the saying goes, one side of the soil and water raises one side, which is true. The soil and water in each area have their own characteristics. Compared with our hometown, the water quality in the city where I go to school is a little hard. When I first went there, I could obviously feel the difference by drinking water. As it turns out, I felt that my teeth were different when I was in college.
Incorrect brushing methods may also cause various problems of teeth. Many people brush their teeth incorrectly. Nowadays, the boss brushing method is highly respected, and there are specific requirements for the placement of toothbrushes and the action of brushing teeth, and brushing teeth should be comprehensive; And the scientific method of brushing teeth is three times a day, three minutes after each meal, and the brushing time should last for three minutes. Toothbrushes should also be replaced regularly. Many people don't pay attention to changing their toothbrushes, and they can't achieve the ideal effect of cleaning their teeth.
- Previous article:Sentences about watching the lake
- Next article:Humor about work and travel.
- Related articles
- A classic signature in one sentence
- Primary school China ancient poetry teaching plan
- Quotes about opponents
- A brief introduction to the contents of the nine true classics
- What are the taboos in moving to a new home?
- Are there any funny jokes?
- What is the effect of stewing rock sugar, bird's nest, medlar and red dates together? Will it collide? By the way, what else can bird's nest do?
- What are the main contents of teachers' dishonesty?
- My son suddenly wants to change his name. I don't know what to do.
- The meaning of dizziness