A Big Problem with a Small Tooth

Donald is the oldest of four brothers and has his first loose tooth. All Donald wants is to get this tooth pulled, eat, and get to his ballgame. He thinks his brothers are going to help him with his tooth problem, but a surprise is in store for them. The clock is ticking and he has got to get to the game. All of a sudden, he cannot find his tooth. Did he drop it down the sink? Did he swallow the tooth? How can such a small tooth and three brothers cause so many problems?