不少人刷牙喜用大头牙刷,其实这样会造成牙龈萎缩、牙根外露,引起牙齿过敏。另外,超期服役的牙刷可以成为细菌繁殖的温床,污染的牙刷是口腔疾病的传染渠道。选择牙刷,刷头要适合口腔的大小,刷毛宜软且有弹性。刷牙后,牙刷须彻底清洗、甩干,向上 Many people like to brush their teeth with a large toothbrush, in fact, this will cause gingival recession, exposed roots, causing tooth allergies. In addition, out of service toothbrush can become a breeding ground for bacteria, contaminated toothbrush is the transmission of oral diseases. Choose toothbrush, brush head to fit the size of the mouth, bristles should be soft and flexible. After brushing, the toothbrush must be thoroughly cleaned, dried, and upward