Although wearing bear teeth can ward off evil spirits, it is not suitable for everyone. Bear's teeth are a symbol of good luck and courage. Therefore, wearing bear teeth at ordinary times can eliminate disasters and ward off evil spirits, which is an amulet to protect health.
But in fact, it is a kind of feng shui ornaments that fight poison with poison. Usually it gives courage to some people who are easily entangled in ghosts. Judging from this function, people who don't believe in ghosts or have no disasters don't need to wear them. People who wear bear's teeth should not wear other animals' teeth, because they are originally sunny, and the teeth of other wild animals may collide with them, which will be counterproductive to their owners.