What is TMD or TMJ?

What is TMD or TMJ?

Temporomadibular Disorders, or TMD, occurs when an individual has paint or problems in their jaw, jaw muscles, or surrounding facial areas. These muscles are control any jaw movements including motions from talking, chewing, and even yawning. TMD is also know as Temporomadibular Joint (TMJ).

What is TMJ?

The Temporomadibular Joint is the joint that connects your lower jaw to your skull. It is located directly in front of your ear and on either sides of your head. These joints are flexible therefore allowing you to move your jaw freely.

What are some symptoms of TMJ?

  • Pain in the face and jaw area
  • Pain in the neck and shoulder area when you speak, chew, or open your mouth widely.
  • Difficulty with opening the mouth wide
  • Jaw ‘locking’ in open or closed position
  • Grating, clicking, or popping sounds when jaw movement
  • Uncomfortable bit or difficulty chewing

Other common symptoms can include toothaches, headaches, neck aches, dizziness, earaches, hearing problems, upper shoulder pain, and ringing in the ears.

What causes TMJ?

Although the exact cause is undetermined, there are several factors that could influence and affect TMJ. Injuries to the jaw, temporomadibular joint, or muscles related or near the head or neck could certainly cause symptoms of TMD.

Other symptoms may include:

  • Dislocation of the jaw
  • Grinding or clenching of the jaw or teeth
  • Arthritis
  • Stress


Our team at Signal Hill Dental Centre has helped many patients who suffer from TMJ. With expertise and knowledge, we have solutions to assist you with your symptoms. Contact us today if you would like to find out more information.