Sialolithiasis is one of the commonest disease of salivary glands. Submandibular salivary gland
or its duct is a major site of sialolithiasis and it is always leads to sialadenitis. However large sialolith
formation and self-extrusion is a rare condition. A case of submandibular sialolithiasis is reported where
patient presents with recurrent submandibular swelling and subsequently end up with a spontaneous
extrusion. The mechanisms and management of the salivary gland calculi are also discussed.