2.
Special tooth cleaning products should be known to friends who have been to Africa or watched related programs. Africans use a branch called Miswak to clean their teeth! They will chew Miswak directly as toothpaste to clean their teeth in the morning. When chewing, the liquid it secretes contains silicon dioxide and fluoride to achieve the effect of cleaning teeth.
3.
Eating habits Because of the national economic situation, the African people's diet is relatively simple and pure. There are few additives in food, and the additives used are few, which also has a certain protective effect on teeth.