Mischa, a first-grader, is frustrated because all of his classmates are losing their baby teeth—except him. He waits longingly, but his teeth simply won't wobble. When a new permanent molar unexpectedly grows in, Mischa and his mother seek advice from the dentist. She explains that his case is unusual but harmless. For a while, Mischa enjoys being an exception—until his first baby tooth finally starts to wobble, and he realizes how good it feels to share this milestone with the others. Includes exciting facts about teeth.