Pediatric dental experts said: lifelong non-change, only once in a lifetime "six-year-old teeth" will not be replaced when changing teeth, only once in a lifetime, germination is accompanied by the child's life, and the rate of caries (tooth decay).

Pediatric dental experts said: lifelong non-change, only once in a lifetime "six-year-old teeth" will not be replaced when changing teeth, only once in a lifetime, germination is accompanied by the child's life, and the rate of caries (tooth decay) is the highest. Pediatric dental experts said that "six-year-old teeth" will not be replaced when changing teeth, only once in a lifetime, germination is accompanied by the child's life, and the rate of caries (tooth decay) is the highest. Six-year-old teeth have a total of 4, six-year-old teeth as the name suggests is about six years old teeth, so this tooth generally begins to grow around six years old, its scientific name is the first permanent molars, that is, the first large teeth that erupt in the mouth, and are permanent teeth, no longer replaced. Friends, how many times a day do you brush your teeth, brush them for three minutes, have you protected your teeth?