What is salivary calculi (sialolithiasis)?

Updated: May 12, 2020
  • Author: Adi Yoskovitch, MD, MSc; Chief Editor: Arlen D Meyers, MD, MBA  more...
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Salivary calculi (sialolithiasis) relate to the formation and deposition of concretions within the ductal system of the gland.

Eighty percent of all salivary calculi occur in the submandibular gland, with approximately 70% of these demonstrable as radio-opacities on routine plain radiography consisting of intraoral occlusal radiographs.

The calculi vary in size and may be single or multiple. The formation of calculi is associated with chronic sialadenitis, and in particular, the recurrent nature of the problem.

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