see also: Salivary Cannulation and Infusion Techniques (3 minute video); Submandibular duct cannulation; Turner Needle used for Wharton's Duct (Submandibular Duct) Cannulation; Checklist Steroid Insufflation to Salivary Glands in Clinic
Cook Medical Salivary Access Dilator Set; Salivary Gland Terminology (Anatomy, Salivation, Dry Mouth, Drooling); Submandibular Sialogram with Stricture Showing Dynamic Changes to Duct Morphology During Infusion and Catheter Removal; Sialograms and Sialography; Instructions to patients submandibular salivary stones
Additional considerations:
As per Barsky and Silberman (1932)
a. "Movements of the cheek affect the duct, straightening its course or making it more irregular"
b. "A colored solution of some kind, such as 3.5 per cent iodine, is applied to the papilla, and the opening of the duct is disclosed"
References
Barsky AJ, Silberman H. Röntgen Visualization of the Parotid Gland by Means of Lipiodol Injection. Ann Surg. 1932 Jan;95(1):46-51. doi: 10.1097/00000658-193201000-00004. PMID: 17866716; PMCID: PMC1391546.