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. 2015 Apr 1;9(4):ZE06–ZE09. doi: 10.7860/JCDR/2015/13535.5826

[Table/Fig-1]:

Proposed classification of temporomandibular disorders (TMD) in edentulous patients

Type 1 Patients with no TMJ changes
Type 2 Patients with mild TMJ changes
  • Popping

  • Clicking of the jaw

  • Feeling of muscle spasms

  • Normal mouth opening (32–62 mm) [44]

Type 3 Patients with mild and moderate TMJ changes
Which include combination of type 2 and
  • Headaches and occasionally, migraine-like headaches

  • Cervical pain

  • Limited mouth opening (<35 mm) [45,46]

  • Deviation/deflection of mandible during opening and closing

Type 4 Patients with mild, moderate and severe TMJ changes
Which include combination of type 3 and
  • Tenderness of muscles of mastication

  • Tenderness over TMJ

  • Pain while opening in mouth

  • Locking of TMJ Luxation of TMJ

Type 5 Patients with Mild, moderate, severe and advanced TMJ changes
Which include combination of type 4 and radiographic changes such as presence of
  • flattening

  • erosion

  • osteophytes and

  • sclerosis in the joint components