Have your dentist check and clean your teeth 3-4 times a year.
If the tooth needs a root canal a crown restauration is indicated to cover and protect the tooth.
The mandible is the only bilateral bone, it moves by the group of muscles that allow you to chew.
Most times this is not an easy issue to resolve,it can be helped by designing a proper orthotic occlusal guard. The occlusion must be examined and a accurate diagnosis will determine the treatment to solve the problem.