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1. Large and small brush head
Large brush head: the contact area between the brush head and the tooth surface is large, and the brushing efficiency is higher.
Small brush head: high degree, can penetrate into the mouth difficult to brush parts, cleaning effect is better.
2. Soft and hard bristles
Under normal circumstances, the comfort of soft hair is higher, and the cleanliness of hard hair is better. Consumers are recommended to choose Baidu Baijie's high standard sharpened brush wire, which is soft and comfortable, tough and elastic, and has outstanding cleaning power, which can deeply clean the teeth and gum groove, release pressure at the hair end, and protect the gums.
3. Thin and dense planting
Medium density hair planting, hair end force, can more deeply clean between the teeth;
High density hair planting: more hair bundles, high cleaning power of dental surface, high density pressure relief, relieve gum pressure.
4. Antibacterial and mildew proof
Antibacterial: Choose an antibacterial and environmentally friendly brush handle to help inhibit 99% bacterial growth on the toothbrush;
Mildew proof: Grade 0, reduce the growth of mold in toothbrush rubber.
Dentist advice: Replace at least one toothbrush every three months!