Salivary glands play a vital role in the proper functioning of the mouth and digestive system. Distributed around the oral cavity, they produce saliva, an essential fluid for moistening food, facilitating chewing, and protecting teeth from bacteria. In humans, three large pairs of primary glands (parotid, submandibular, and sublingual) are responsible for the majority of this production.
A discreet but essential system for digestion
Saliva doesn't just have a mechanical function. It also contains enzymes that play a role in the early stages of digestion, particularly of sugars. By lubricating food and facilitating its passage through the esophagus, it also contributes to swallowing and oral comfort. When saliva production decreases, such as in certain medical conditions or under the influence of medications, the mouth can become dry and more susceptible to infections.
Several conditions can affect these glands. Salivary stones, called lithiasis, can obstruct the ducts and cause pain or swelling. Infections or inflammation can also occur, while certain autoimmune diseases, such as Sjögren's syndrome, severely disrupt saliva production.
For healthcare professionals, observing the salivary glands is therefore an important element of diagnosis. Their proper functioning contributes not only to the balance of the mouth, but also to overall health, which explains the growing attention paid to these often overlooked organs.
