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Roof of mouth swells

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I have this problem from time to time with the roof of my mouth it often happens in the morning when I eat something the roof of my mouth swells up with what feels like air bubbles and it hurts it last for a short while then goes away I would like to know what exactly is causing this to happen

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replied May 24th, 2010
Ear, Nose and Throat Disorders Answer A12419
Hi, welcome to the ehealth forum and I am glad to help you.
Your concern is regarding swelling of roof of the mouth after eating something especially in the morning. This is related to salivary glands on roof of the mouth. Salivary gland swelling can occur when one of the ducts that carry saliva from the salivary gland to the mouth is blocked. Pain may occur, especially during eating.
The most common cause of blockage is a stone. A stone can form from salts contained in the saliva. Blockage makes saliva back up inside the duct, causing the salivary gland to swell. A blocked duct and gland filled with stagnant saliva may become infected with bacteria. A typical symptom of a blocked salivary duct is swelling that worsens just before mealtime or particularly when a person eats a pickle as a sour pickle's taste stimulates saliva flow, but if the duct is blocked, the saliva has no place to go and the gland swells.
Mumps, certain bacterial infections, and other diseases (such as AIDS, Sjögren's syndrome, diabetes mellitus, and sarcoidosis) may be accompanied by swelling of the major salivary glands. Swelling also can result from cancerous or noncancerous tumors in the salivary glands.
There are no good quantitative tests to diagnose salivary gland malfunction. However, the salivary glands can be squeezed and the ducts observed for saliva flow.
Swelling due to blockage of a salivary duct is diagnosed because of the relationship of pain to mealtimes. To diagnose other causes of swelling, a dentist or doctor may perform a biopsy to obtain a sample of salivary gland tissue and examine it under a microscope.
Hope this helps. Take care.
Note: This post is not to emphasise final diagnosis as the same cannot be made online and is aimed just to provide medical information and no treatment suggested above be taken without face to face consultation with health care professional.

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