Stensen's duct opens opposite which maxillary tooth?

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Multiple Choice

Stensen's duct opens opposite which maxillary tooth?

Stensen's duct, the parotid duct, carries saliva from the parotid gland into the mouth and opens into the buccal mucosa opposite the maxillary second molar. As it traverses the cheek, it runs anterior to the masseter and pierces the buccinator, delivering saliva near the area of the second upper molar. This specific relationship is why the opening is described as opposite the second upper molar. The other options correspond to more anterior or more posterior teeth and don’t align with the duct’s usual oral opening site.

Stensen's duct, the parotid duct, carries saliva from the parotid gland into the mouth and opens into the buccal mucosa opposite the maxillary second molar. As it traverses the cheek, it runs anterior to the masseter and pierces the buccinator, delivering saliva near the area of the second upper molar. This specific relationship is why the opening is described as opposite the second upper molar. The other options correspond to more anterior or more posterior teeth and don’t align with the duct’s usual oral opening site.

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