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Oral Pathology - 3 Questions
Rumpel Leede or the tourniquet test measures capillary fragility.
Scleroderma (systemic sclerosis) does NOT cause widening of the oral aperture. Instead, it causes NARROWING (microstomia) of the oral aperture due to perioral fibrosis and skin tightening. Scleroderma does cause a hard, rigid tongue due to collagen deposition, pseudoankylosis of TMJ due to fibrosis, and difficulty swallowing (dysphagia) due to esophageal involvement.