The necessity of cleaning teeth
Develop good oral hygiene habits Because some people do not develop good oral hygiene habits, Not brushing their teeth in the morning and evening or not in the correct way, the food residue in the mouth and the intrinsic flora in the mouth will combine to form plaque on the tooth surface. If not cleaned in time, plaque will be combined with calcium and phosphorus ions in human saliva to form calculus, which are the main culprit for most toothache, [...]
