Abstract: Objective: To report the intraoral approach to remove proximal submandibular gland duct stone, and to investigate the treatment effects and complications. Methods: The patients diagnosed with proximal submandibular gland duct stone were removed the stone through intraoral approach. The patients were followed-up. Results: 81 of 83 patients with proximal submandibular gland duct stone were removed successfully. The complications included slight bleeding within 24-36 hours, which was stopped without special treatment. Numbness in the tip of tongue was happened in 34 patients. Tongue movement limitation was happened in all 83 patients in the first day after operation. A total of 65 patients were followed-up after 1 month. No patient complained dry mouth, tongue movement limitation, and numbness of the tongue. All the incisions healed well, and the salivary excretion from the operated submandibular gland was found in 43 patients. Conclusion: Intraoral approach is a safe and effective treatment for removing proximal submandibular gland duct stone with lower complications.

Key words: Submandibular gland duct, Sialolithiasis, Surgery approach, Stone removement operation