20 teeth
By the time the embryo is eight weeks old, there are ten buds on the upper and lower arches that will eventually become the primary dentition. These teeth will continue to form until they erupt in the mouth.
Continued use/ or addiction
They have been using it for a while and might start to get addicted if not already
Nswer choices ?????????????????????????
The correct answer is A. True.
I hope this helps :)
