The Most Effective Way to Clean a Toddler's Teeth Is

The most effective way to clean a toddler's teeth is:

A) For the child to brush regularly with a toothpaste of his or her choice.
B) For the parent to stabilize the chin with one hand and brush with the other.
C) For the parent to brush the mandibular occlusive surfaces, leaving the rest for the child.
D) For the parent to brush the front labial surfaces, leaving the rest for the child.