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Salivary Stones: Symptoms, treatment and prevention

  • Posted on- Aug 10, 2016
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Formation of salivary stones, a condition medically called Sialolithiasis, occurs when bacterial staph infections, chronic dehydration or excessive amounts of calcium exist in the body that inhibit salivary gland functioning. When saliva becomes abnormally thick, (due to disorders such as Sjogren's syndrome, upper respiratory diseases that irritate or swell nasal passages and ingestion of medications that dry moist oral and nasal tissues) calcification of saliva precipitates within salivary ducts and glands that enlarge and eventually block saliva flow.

Most salivary stones affect glands lying at the bottom of the mouth called the submandibular glands. However, stones can also impair functioning of the parotid glands and the sublingual glands found underneath the tongue.

Symptoms of Salivary Stones

People suffering from salivary stones may not experience any symptoms until the stones grow large enough to block ducts. When this occurs, saliva released by the gland has nowhere to go and backs up in the gland, causing swelling, pain and sometimes a low grade fever. In addition, any activity that increases salivary production such as eating or smelling something cooking can exacerbate swelling and pain. Other symptoms may include:

  • Saliva that tastes odd, gritty or bitter
  • Severe halitosis caused by dry mouth and infected salivary glands
  • Difficulty opening and closing the mouth

If not treated in a timely manner, salivary stone obstruction may lead to a serious bacterial infection that requires intravenous administration of antibiotics and/or surgical drainage of blocked glands. Moreover, conditions conducive to salivary stone formation such as dry mouth, chronic sinusitis and allergies promote the rapid development of anaerobic bacteria. These microorganisms are primarily responsible for halitosis, tooth decay, gum disease and even tonsil stones.

Tonsil stones should not be confused with saliva stones. While tonsil stones and saliva stones resemble each other in composition, tonsil stones form within the fissures of the tonsils and do not generally cause medical issues if left untreated. The main problem produced by tonsil stones is serious halitosis that can be extremely embarrassing to the person suffering from them.

Detection and Removal of Salivary Stones

Physicians detect salivary stones via CT scans, X-rays or ultrasounds in addition to performing a physical examination on patients suspected of having salivary stones. Removal may be as easy as deliberately stimulating saliva flow (sucking on a lemon or orange slice, for example) while a physician manually massages the affected gland in order to pass the stone spontaneously. Alternately, larger stones may need minor surgery to fully extricate them. This involves an oral surgeon making a small incision near the affected duct and removing stones responsible for obstructing saliva flow.

Side effects may occur when surgery is performed to remove salivary stones. Eventual, extensive scarring of salivary ducts could result in partial or complete failure of the salivary gland to function normally, causing a chronic condition of dry mouth due to lack of sufficient saliva amounts. If the gland affected by saliva stones is the submandibular gland and surgery is needed to remove stones, there is a possibility that two important facial nerves could be injured during the procedure. Damage to the hypoglossal nerve could numb portions of the tongue while damage to the primary facial nerve may induce partial or complete paralysis of the face.

For people who continuously suffer chronic reformations of salivary stones or suffer irreparable damage to one or more salivary glands, physicians will usually recommend removal of the disabled gland to eliminate the potential for serious bacterial infections.

Preventing Formation of Salivary Stones

Unless someone has a disorder or disease specific to salivary glands, maintaining a sufficient flow of saliva is the best way to prevent the formation of salivary stones. Proper mouth hydration is also vital to preventing tooth decay, gum disease and halitosis, since anaerobic bacteria are directly responsible for these problems. Anaerobic bacteria thrive in dry, airless, stagnant oral conditions by consuming mouth debris, mucus and dead tissue that saliva normally washes away. A chronically dry mouth is highly conducive to anaerobic bacterial growth, which is also a factor contributing to the formation of salivary stones.

Comments

user profile image
21-12-2017 07:34 PM

Sialolithiasis is a term which is not known to everyone. Great information shared. It was very helpful. Will contact Lazoi in future for Sure.

user profile image
30-10-2016 12:28 PM

I was suffering from Sialolithiasis, I was diagnosed with five stones in my salivary ducts. Whenever I eat, the glands under my jaw swell up and the pain is excruciating. I undergo Sialendoscopy and results are fine.

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