Most common site of salivary gland stones is –
**Core Concept**
The question requires knowledge of the anatomy and pathology of salivary gland stones, specifically their common location within the salivary glands. Salivary gland stones, also known as sialolithiasis, are hard deposits that can form in the salivary glands due to the accumulation of calcium and other minerals.
**Why the Correct Answer is Right**
The most common site of salivary gland stones is the submandibular gland, which is responsible for producing about 65% of the saliva in the mouth. The submandibular gland has a long duct that runs through the gland, making it more prone to stone formation due to the accumulation of calcium and other minerals. The submandibular gland stones often cause symptoms such as swelling, pain, and difficulty swallowing.
**Why Each Wrong Option is Incorrect**
**Option A:** The parotid gland is the largest salivary gland and is located on the sides of the face, but it is not the most common site of salivary gland stones. The parotid gland produces a watery saliva that is less likely to form stones.
**Option B:** The sublingual gland is a minor salivary gland located under the tongue, and it is not a common site for stone formation. The sublingual gland produces a small amount of mucus-like saliva.
**Option C:** The minor salivary glands are scattered throughout the oral cavity, but they are not a common site for stone formation. The minor salivary glands produce a small amount of mucus-like saliva.
**Clinical Pearl / High-Yield Fact**
The submandibular gland is more prone to stone formation due to its long duct and the type of saliva it produces. It is essential to identify the location of the stone to determine the best treatment approach.
**Correct Answer: C. Submandibular gland**