What saliva duct is located on the lingual surface of the mandibular posterior teeth?

Wharton's duct is responsible for draining the submandibular salivary gland and opens into the oral cavity on the lingual surface of the mandibular posterior teeth, specifically near the sublingual caruncles. This duct is significant as it plays a crucial role in the secretion of saliva, particularly during digestion and the moistening of food.

Understanding the anatomy and functions of the various salivary ducts is essential for dental and oral health professionals, as they impact overall oral hygiene and can be involved in various conditions related to salivary flow. The other ducts mentioned do not drain the submandibular gland, which is why they are not applicable in this context. For instance, Stenson's duct drains the parotid gland, and the parotid gland is located on the cheek rather than near the mandibular teeth. Similarly, the maxillary duct does not pertain to the salivary glands relevant to the mandibular region.