<prompt> All of the following statement regarding stones in the submandibular gland are true except:80 of stones occur in the submandibular glandMajority of submandibular stones are radiolucentMost common injured nerve during submandibular gland excision Sx - lingual nervePatient presents with acute swelling in the region of the submandibular gland  <response>: SIALOLITHIASIS Salivary gland stone- 80 of salivary gland stones are seen in Submandibular gland- 80 of salivary gland stones are - Radio-opaque- Composition Calcium or Magnesium phosphate or Carbonate - Distributions of salivary gland stones Submandibular gland 80 Parotid 10 Sublingual 7 Minor salivarygland 3 Clinical Features - Pain swelling in SM region during meals- Referred pain to tongue - irritation of lingual nerve due to impacted stone Diagnosis- IOC for dx - NCCT Treatment- Stone in the duct - incision over the duct removal of stone- Stone in the gland - excision of submandibular gland- Most common injured nerve during submandibular gland excision Sx - lingual nerve Hypoglossal nerve 