Pathology · single question
Where are sialoliths (salivary stones) most commonly found?
Show answer and explanation
Correct answer: D. Submandibular gland / Wharton's duct
- A. Minor salivary gland stones are uncommon.
- B. Sublingual gland sialoliths are rare (<1%).
- C. Parotid gland/Stensen's duct accounts for ~15% of sialoliths — much less common than submandibular.
- D. The SUBMANDIBULAR GLAND (and Wharton's duct) is the MOST COMMON site for sialoliths (~80–85% of all salivary stones). Reasons: (1) Wharton's duct is longer and wider, (2) saliva from the submandibular gland is more viscous and mucous with higher calcium/phosphate concentration, (3) the duct travels upward against gravity.