Which of the following is the most significant oral complication of rheumatoid arthritis?

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The most significant complication of the oral and maxillofacial complex in rheumatoid arthritis is TMJ involvement,which is found in 45% to 75% of patients with rheumatoid arthritis.This may present as bilateral preauricular pain,tenderness,swelling,stiffness,and decreased mobility of the TMJ,or it may be asymptomatic.Fibrosis or bony ankylosis can occur.Clinically,patients may present with tenderness over the lateral pole of the condyle,crepitus,limited opening,and radiographic evidence of structural change.Radiographic changes initially may show increased joint space due to inflammation of the joint.

Which of the Following Is the Most Significant Oral Complication