Many toothbrushes have soft bristles, medium bristles, and hard bristles. Scientifically speaking, hard bristles have better cleaning effects, but long-term use tends to wear teeth and stab the gums. Too much soft bristles will also make it difficult to master power , It is not easy to remove food residues and bacteria in the mouth. Therefore, it is recommended to choose bristles with medium hardness, but the elderly, children, and patients with periodontal disease are more suitable for soft toothbrushes. Second, the size of the brush head. Nowadays, the design of toothbrush heads is very diverse, wide heads, narrow heads, and even subdivided 6 rows of 48 holes, 7 rows of 65 holes… The size of the brush head can be flexibly rotated in the oral cavity, and the small head is more convenient to clean each oral cavity. Blind corners and back teeth.
Post time: Apr-02-2022