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Understanding Salivary Duct Stones: Causes and Symptoms
Salivary duct stones, also known as salivary duct calculus, are calcified structures that form inside the salivary glands or ducts. These stones can block the flow of saliva into the mouth and are a common cause of salivary duct blockages, especially in middle-aged adults. If you suspect you have salivary duct stones, consult a gastroenterologist for a second opinion.
Symptoms
The symptoms of salivary duct stones can include:
- Pain in the face, mouth, or neck, often worsening before or during meals.
- Tenderness and swelling in these areas.
- Dry mouth and difficulty swallowing or opening the mouth.
- Fever, a foul taste in the mouth, and redness if a bacterial infection occurs due to stagnant saliva.
Causes
Salivary duct stones form when substances like calcium phosphate and calcium carbonate in saliva crystallize. These stones can vary in size from a few millimeters to over two centimeters. The exact cause of stone formation is unknown, but several factors can increase the risk, including:
- Medications like blood pressure drugs and antihistamines, which reduce saliva production.
- Dehydration, making saliva more concentrated.
- Inadequate food intake, leading to decreased saliva production.
Where Do Salivary Duct Stones Occur
Salivary duct stones most commonly occur in the ducts connected to the submandibular glands, located on both sides of the jaw at the back of the mouth. They can also form in the ducts connected to the parotid glands, located on each side of the face in front of the ears. Stones can vary in number and size, with about 25% of people developing multiple stones.
Diagnosis
To diagnose salivary duct stones, a dentist will:
- Examine the head and neck for swollen salivary glands and stones.
- Order imaging tests for a more precise diagnosis. These may include an X-ray, ultrasound, or a CT scan of the face.
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Book an AppointmentTreatment and Home Remedies
If you're wondering how to remove salivary duct stones at home, some methods include:
- Sucking on sugar-free lemon drops.
- Drinking plenty of water.
Medical Treatments
For stones that cannot be removed at home: A dentist may manually push the stone out by applying pressure on both sides of the duct or use methods to dissolve the stone in the salivary duct. Large or deeply lodged stones may require surgical removal.
Extracorporeal Shock Wave Lithotripsy (ESWL) can be used to break the stone into smaller pieces using high-energy sound waves, making it easier to pass through the duct. ESWL is commonly used for stones in various parts of the body, such as the kidneys or bladder. The procedure is usually performed under sedation or general anesthesia.
Frequently Asked Questions
The main symptom of salivary duct stones is a pain in the face, mouth, or neck that worsens just before or during meals. This is because the salivary glands produce saliva to facilitate feeding. When saliva cannot flow through a duct, it builds up in the gland and causes swelling and pain.
Stones near the end of a salivary gland duct can often be removed by squeezing them out by hand. The deeper ones require surgery. The entire salivary gland may need to be removed.
The most prevalent cause of this illness is salivary gland stones. Pain and swelling in the region behind the rear of the jaw are common symptoms. The illness frequently resolves on its own, with little or no therapy. To get rid of the stone, you may require further therapy, such as surgery.
Salivary stones in the sublingual and minor salivary glands are rare, comprising only 0.4–7% of all cases. Submandibular stones are usually located in the canal (80–90%), of which 57% are located in the hilum and 34% are located in the distal canal.
If you feel severe pain during meals, this could mean that the stone is completely blocking a salivary gland. The discomfort normally lasts for 1 to 2 hours.
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