Nowadays, there are more and more types of toothpaste in the supermarket, and there are all kinds of effects. In the face of a wide range of toothpaste, have you ever long-sighted? Here are some questions about toothpaste. After you read it, you will know how to choose toothpaste.
Do we have to use fluoride toothpaste?
For people with dental health, fluoride toothpaste is not necessarily an option. Teens and the elderly can use it more, but preschoolers should be careful.
Why is the effect of whitening toothpaste not obvious?
The main component of toothpaste is a friction agent, so its basic function is to clean the oral cavity, whitening, desensitization and other effects are all auxiliary.
The shape of the friction agent particles of the whitening toothpaste is rather special, which is more conducive to the removal of stubborn stains on the teeth, and thus can achieve the effect of whitening teeth to some extent.
However, this toothpaste is limited to the removal of dental exogenous stains, such as long-term coffee, tea and other "pollution" of the teeth, due to abnormal tooth development caused by the deep endogenous stains have no effect.
Is toothpaste shelf life?
Toothpaste is shelf life, because the chemical contained in it will produce a certain amount of time after the chemical reaction, especially toothpaste has been open, it is best to use up within a month or two.
Toothpaste for a long time or should be used for?
Should try to change the use of different efficacy and brand of toothpaste, can play a variety of different toothpaste efficacy, so as to maintain oral health.
Is it better to squeeze toothpaste?
In fact, if you do not brush your teeth properly, the best toothpaste and toothbrush are nothing.
The correct way to brush your teeth is to keep the toothbrush at a 45-degree angle to the teeth so that the bristles can clean the teeth and gums more easily; it's best to draw a circle brush; each brushing should take at least 2 minutes.