The magic wind turns fourth-grader Katie into Dr. Sang the dentist, and she must work on the mouth of Emma's six-year-old brother, Matthew, who is afraid of having his teeth examined.
Through a classroom setting in which teeth are the students, presents information about the structure and care of teeth and the services provided by dentists.
Although Cinderella works hard every day, she still makes time to brush her teeth twice a day while her two lazy stepsisters eat sweets and cannot be bothered to brush.
Unhappy to be the only one in his class who still has not lost a tooth, first-grader Freddy tries to find a way to expedite matters but then is faced with another problem.
"Alan is very scary. He says things like 'I'm big, scary Alan! Fear my razor-sharp teeth!' But all is not as it seems. Alan, you see, has a very BIG (not-so-scary) secret" --Front jacket flap.