Salivary Calculi
These are stones, or sialoliths, which form in the duct of the gland and obstruct the flow of saliva to the mouth. They occur most frequently in the Wharton’s ducts of the submandibular glands, as these are the longest of the ducts and the salivary secretions must travel upwards to reach the oral cavity.
The presence of the chalky stones will cause saliva retention and painful swelling of the gland affected. They can be seen on a suitable radiograph as a radiopaque stone within the duct, or even visibly as a yellowish stone at the duct opening beneath the tongue. When the submandibular gland is affected, the resultant swelling in the floor of the mouth is called a ranula. When one of the minor salivary glands is involved, especially on the lips and due to trauma, the resultant fluid-filled
swelling is called a mucocele. Treatment is by surgical removal of the sialolith, or of the salivary gland itself.
The presence of the chalky stones will cause saliva retention and painful swelling of the gland affected. They can be seen on a suitable radiograph as a radiopaque stone within the duct, or even visibly as a yellowish stone at the duct opening beneath the tongue. When the submandibular gland is affected, the resultant swelling in the floor of the mouth is called a ranula. When one of the minor salivary glands is involved, especially on the lips and due to trauma, the resultant fluid-filled
swelling is called a mucocele. Treatment is by surgical removal of the sialolith, or of the salivary gland itself.
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