She is also a clinical instructor at University of Pacific School of Dentistry and an editor for Dentistry On-Line. Most often, this behavior seems to be a stage children pass through. Toothbrushing is one of the few things over which they can have complete control. It is important to keep your son's teeth as clean as possible. Praise or rewards generally seem to work better than punishments.
Some parents find that brushing with their child can help.
Sometimes creating a game out of brushing teeth makes it more pleasant. I have had a couple of parents tell me that making up a song to go with brushing makes it more fun. While brushing at nighttime is extremely important, children can be tired and cranky in the evening. Vary the routine. For example, brush in the morning and afternoon when fatigue is not a big factor.