Aetiopathology of TMJ Ankylosis is a very vast subject as there can be many direct and indirect causes here we are going to discuss the various Aetiological and pathological causes of TMJ Ankylosis
TMJ Ankylosis is the Decrease in mobility of the Temporo mandibular joint either uni lateral or bi lateral which is caused by many factors. There is Fusion of the Condylar head to the Glenoid Fossa either by Osseous deposition or Fibrous Growth which are the main factors in determining the Treatment plan and the Prognosis of the disease. TMJ ankylosis is usually painless but sometimes there may be pain if the joint gets infected. There are 2 types of TMJ Ankylosis mainly True and False.
Click here for: Clinical features of Unilateral and Bilateral TMJ Ankylosis
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Aetiopathology of TMJ Ankylosis:
Trauma:
- Congenital
- At Birth – Forceps Delivery causing injury to TMJ
- Haemorthrosis (Direct/Indirect Trauma)
- Condylar Fractures – Intracapsular, Extracapsular
- Glenoid Fossa Fracture (Very Rare)
Infections:
- Otetis Media
- Parotitis
- Tonsilitis
- Foruncle
- Abscess around the joint
- Osteomyelitis of the Jaw
- Actinomycosis
Inflammation:
- Rheumatoid Arthritis
- Osteoarthritis
- Septic Arthritis – Hematogenous spread
Systemic Disease:
- Small Pox
- Scarlet Fever
- Typhoid
- Gonococcal Arthritis
- Scleroderma
- Beri-Beri
- Marie-Strumpell Disease
- Ankylosing Spondilitis
Rare Arthritis:
- Polyarthritis
- Measels
Other Causes:
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