Evaluation of the Effect of Minimally Invasive Procedures Used in Management of Salivary Ductal Pathologies on Patients' Symptomatology and Gland Function

"All patient will be treated under general anaesthesia An appropriate gland-preserving minimally-invasive surgical procedure will be performed for all patients according to the nature and extent of the disease for either submandibular or parotid ducts.~Minimally invasive techniques for ductal salivary gland pathologies include:~1. Sialolithotomy through a simple cutdown~2. Sialendoscopy~3. Transoral microscopic-assisted sialolithotomy."