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Why Can't I Open My Mouth Very Wide?

Published in Mouth Health 2 mins read

You might be experiencing limited mouth opening because the muscles you use for chewing aren't releasing properly. This condition, known as trismus, can occur when these muscles contract and remain in that state.

Understanding Trismus

Trismus is a medical term referring to the inability to open the mouth fully. According to the reference provided, a person is considered to have trismus when they cannot open their mouth wider than 1.3 inches.

Causes of Limited Mouth Opening

Cause Description
Muscle Spasm The muscles used for chewing contract and fail to relax.
Jaw Injury Damage or trauma to the jaw can lead to restricted movement.
TMD Temporomandibular joint disorder, commonly known as TMD, can also cause trismus.

Symptoms and Recognition

Here's a brief guide to recognizing the signs:

  • Difficulty opening your mouth fully.
  • Pain when attempting to open your mouth.
  • Muscle stiffness in the jaw.

What to do if you suspect trismus?

If you're experiencing a limited range of motion in your jaw, it is important to consult a healthcare professional.

  • Keep a record of your symptoms.
  • Seek advice for proper diagnosis and treatment.

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