If you have dreamed of breaking a dog's tooth in a dream: You may be making a mistake by participating in some issues or engaging your time, otherwise the situations may grow undesirable. Breaking a dog's tooth in a dream means that a person who is with you in good times and bad days harbors hostility towards you and hard days, getting hurt, being in trouble, shutting down for a long time without wanting to see anyone, listening to yourself and getting tired.