The most common non-neoplastic salivary gland disease is obstructive sialadenitis. Sialoliths are the main cause of obstructive submandibular sialadenitis. Sialolithiasis leads to recurrent painful swelling of the involved gland, which increases in size during meals. Sialoliths occurs commonly in the submandibular gland in 80% of the cases. Pathogenesis of sialolithiasis seems to be based on anatomical position of the salivary duct and gland. This article reports a case of submandibular gland sialolithiasis with chronic sialadenitis of the right side in 55-year-old male patient with recurrent symptoms of pain and swelling during mealtime. Clinical and radiographic fi ndings are important in determining the precise location and size of the sialolith. It helps in establishing the right treatment for the individual patient. Diagnosis of sialolithiasis is based on careful consideration of patient history and thorough clinical examination which demonstrates its typical symptoms.