Toothbrush is the main tool for people to maintain oral hygiene. There are many types and brands of toothbrushes on the market. What kind of toothbrush is more suitable? This should be considered from the following aspects:
The size of the toothbrush head
According to the regulations of the American Dental Association, the length of the toothbrush head should be 2.5～3cm, the width should be 0.8～1cm, there are 2～4 rows of bristles, each row of 5～12 bundles of bristles, the front of the toothbrush head should be Round and blunt. These regulations are for people to refer to when choosing a toothbrush.
The hardness of the bristles
generally can be divided into three types: soft, neutral, and hard. Normally, a toothbrush with neutral hardness is more suitable. When buying a toothbrush, you can press the bristles with your fingers. If your fingers feel tingling, it means it is too hard and should not be used. The bristles of commercially available toothbrushes are mostly nylon bristles. The elasticity, uniformity and hardness of nylon bristles are better than pig hair toothbrushes, which are more conducive to oral health.
The angle between the brush head and the handle
There are two types of commercially available toothbrushes: linear and angular. The straight type is more powerful when used, and the angled toothbrush has a better cleaning effect on the back teeth. The angle is preferably 17 degrees to 20 degrees.
The top of the bristles
The top of each bristles should be round and blunt, without sharp angles, and can be judged by touching it when buying.
Special toothbrushes: periodontal patients or older people who have receding gums and increased interdental space. In addition to general toothbrushes, interdental toothbrushes should be used. The bristles of this kind of toothbrushes are tapered and elongated, etc. Optional. There is also a toothbrush with only two rows of bristles, which is used to massage the gums. The concave-shaped toothbrush with the outer two rows of bristles longer than the middle two rows of bristles is specially designed for those who are undergoing dentition correction. This kind of toothbrush can not only clean the surface of the teeth, but also clean the food residue on the aligner. Those with inconvenient hands and feet can choose electric toothbrushes, light-energy ion toothbrushes, etc.