- Temporomandibular joint dysfunction (TMJD)
- Temporomandibular joint pain
- Temporomandibular joint internal derangement
- Temporomandibular joint dysfunction syndrome
- Costen’s syndrome
- 524.6 Temporomandibular joint disorders
- 524.60 Temporomandibular joint disorders, unspecified
- 524.61 Temporomandibular joint disorders,
adhesions and ankylosis (bony or fibrous)
- 524.62 Temporomandibular joint disorders,
arthralgia of temporomandibular joint
- 524.63 Temporomandibular joint disorders,
articular disk disorder (reducing or non-reducing)
- 524.64 Temporomandibular joint disorders,
temporomandibular joint sounds on opening and/or closing
- 524.69 Other specified temporomandibular joint
- M26.60 Temporomandibular joint disorder, unspecified
- M26.61 Adhesions and ankylosis of temporomandibular joint
- M26.62 Arthralgia of temporomandibular joint
- M26.63 Articular disk disorder of temporomandibular joint
- M26.69 Other specified disorders of temporomandibular joint
- Often referred to as TMJ (temporomandibular joint) which
is the name of the joint, but does not describe any specific dysfunction
- Syndrome is an umbrella term describing acute or chronic inflammation
of the TMJ.
- Diagnosis covers an array or acute or chronic problems of
- Originally described by James B. Costen in 1934 and initially
known as Costen’s syndrome.
- Five stages of disk displacement
- Dysfunction of the joint, muscle imbalances
- Alignment problems between the temporal and mandible bones
and the cervical spine
- The TMJ has two joints, allowing one to rotate and slide
- Ligament laxity and disk desiccation need to be assessed.
- Wear of the bone and cartilage can lead to popping, clicking
- Women > men
- Age range: 20 to 40 years of age
- Can involve one or more of the TMJ components such as
the muscles, nerves, tendons, ligaments, bones, and teeth
- Deviation of the mandible with opening and closing
- Malalignment of the teeth
- Wearing of the teeth, flattening of the top of the teeth
- Hypertonicity of the pterygoids and masseter muscles
- Ear pain, ache (otalgia) and ear swelling
- Orofascial pain
- Audible click/pop with opening and closing of the
- Reciprocal clip
- Limited opening of the jaw
- Inability to open/close jaw/locking
- Swelling, heat, redness at the TMJ
- Trigeminal nerve issues, Cranial nerve (CN) V
- Inability to bite/eat larger objects such as
- Headaches that limit function
- Locking of the jaw
- Blunt trauma, punch or hit to the face increased lateral movement
of the mandible
- Muscle imbalances head, neck
- Malalignment, from bridge, overlay, or crown that alters bite
- Jaw thrusting from tongue and speech problems
- Previous orthodontic work, wisdom teeth extraction
- Excessive gum chewing ...
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