Sialolithiasis And Necrotising Sialometaplasia - Faculty of Dental Sciences


Sialolithiasis is a condition in which tiny salivary stones or calculi form in the glands. The stones, called sialoliths, are made of calcium. Some stones block the ducts and saliva flow is partially or completely stopped. The gland might enlarge, and an infection can develop.

Necrotizing sialometaplasia (NS) is a rare, benign, self-limiting, necrotizing process involving the minor salivary glands, in most cases the much serous glands of the hard palate. Etiology is thought to be a reaction to trauma or smoking in the presence of existing tissue ischemia and the significance of the condition lies in the fact that it Mimics malignancy both clinically and histologically.
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