An important radiographic landmark is the inverted "Y," which is seen between the right and left nasal fossae.

Name: An important radiographic landmark is the inverted "Y," which is seen between the right and left nasal fossae.
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The inverted "Y" is a radiographic landmark seen where the maxillary sinus and the nasal cavity meet, typically involving the anterior superior alveolar process and the lateral wall of the nasal fossa, not between the right and left nasal fossae.

An Important Radiographic Landmark Is the Inverted "Y," Which Is