| Cause | Frequency | Key Features | |-------|-----------|---------------| | | ~80% of all salivary stones (submandibular more common, but parotid stones occur in ~20%) | Radiolucent in 40-60% (uric acid stones); usually unilateral, single. | | Ductal stenosis | Common | Narrowing due to chronic inflammation, dehydration, or prior infection. | | Mucous plug | Less common | Thick, inspissated mucus (e.g., in cystic fibrosis or Sjögren’s). | | Foreign body | Rare | Food debris, bristles from toothbrushes, or dental materials. | | Extrinsic compression | Rare | Mass, lymphadenopathy, or scarring. |
Resulting from past injuries or chronic infections. parotid gland blockage
: Drink plenty of water to thin the saliva and help flush out the obstruction. | Cause | Frequency | Key Features |