Intraoral view of pus exuding from the orifice of the right Stensen's duct opposite to the upper second molar.
Reproduced from: Levine G, Clark M, Mandel L. Obstructive parotitis from extraorally introduced foreign body in the Stensen duct. J Oral Maxillofac Surg 2013; 71:2087. Illustration used with the permission of Elsevier Inc. All rights reserved.