Toothbrushes are an essential tool for our daily cleansing of the mouth. We should treat them well and choose them. So what kind of toothbrush is better? Let's talk about it, you can refer to it. (1) Size of the toothbrush head: According to the regulations of the American Dental Association, the length of the toothbrush head should be 2.5 to 3 cm, the width is 0.8 to 1 cm, there are 2 to 4 rows of bristles, and 5 to 12 bundles of bristles per head, toothbrush head The front end should be round and blunt. These rules can be used as a reference for people to choose a toothbrush. (2) Hardness of bristles: Generally, it can be divided into soft, neutral and hard. It is more suitable to use a toothbrush with a neutral hardness. When you buy a toothbrush, you can press the bristles with your fingers. If the finger is irritating, it means it is too hard and should not be used. What kind of toothbrush is better, generally choose soft hair. (3) Angle of brush head and handle: Commercially available toothbrushes are available in both straight and angled versions. The straight type is more powerful when used, and the angled toothbrush has a better cleaning effect on the back teeth. (4) Special toothbrush: patients with periodontal disease or older people, gingival recession, increased interdental space, and a concave toothbrush for dentition correction. The outer two rows of bristles are two rows above the middle. The brush is long. Electric toothbrushes can be used for those with inconvenient movements such as stroke patients. Â Â Â Â Â Â Â After reading the above four selection suggestions, everyone knows which toothbrush is better. White Single Window Envelope,Commercial Single Window Envelope,Check Single Window Envelope,Business Single Window Envelope Sun Kee Envelopes Limited , https://www.sunkeeenvelope.com