How long will your toothbrush be replaced? Many people may answer: 3 months.
Indeed, dentists generally recommend The life of the toothbrush should not exceed 3 months, but it varies from person to person. For example, some people use the most powerful force when brushing their teeth. In less than 3 months, the bristles of the toothbrush are bent and deformed, so they need to be replaced in time. Because the bristles are bent, the cleaning effect of the deformed toothbrush is significantly reduced. , gums, etc. cause damage.
In some special cases, it is also necessary to consider changing the toothbrush in time. If the cold is cured, during the cold, the toothbrush will have many viruses and bacteria related to the cold after brushing, so the old toothbrush should be discarded to reduce the possibility of catching a cold again. Sex.
In addition, when you find the following three conditions in the toothbrush, don't hesitate to change the toothbrush.
1. The distance between the bristles becomes larger
Usually the bristles are arranged in a dense arrangement. If the distance between the bristles is significantly widened, the dirt will be more likely to leave the root of the toothbrush. It is better to change the new one.
2. The tip of the toothbrush is soft and collapsed
Once it is found that most of the bristle tips have a soft collapse phenomenon, indicating that the wear is large, it is not able to clean the teeth well and should be replaced.
3. The root color of the toothbrush becomes darker
The dirt at the root of the brush will accumulate slowly, which is one of the causes of bacterial growth. Even if it is cleaned after each use, it cannot be completely prevented. Therefore, once the root color of the toothbrush is found to be dark, it is a signal that the dirt accumulates more and should be replaced in time. .