When a Patient's Chin Is Too High During the Panoramic

question 17

Multiple Choice

When a patient's chin is too high during the panoramic exposure:

• A)the maxillary premolars will be blurred.
• B)the floor of the nasal cavity will be superimposed over the roots of the mandibular teeth.
• C)a "reverse smile line" will appear on the radiograph.
• D)detail of the mandibular region will be lost.

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Definitions:

Auditory Ossicles

The small bones in the middle ear (the malleus, incus, and stapes) that transmit sound vibrations from the ear drum to the inner ear.

Basilar Membrane

A critical structure in the cochlea of the inner ear, it plays a pivotal role in sound detection by vibrating in response to different frequencies.

Cranial Nerve VIII

Also known as the vestibulocochlear nerve, it is responsible for hearing and balance.

Perilymph

The fluid that fills the space between the membranous labyrinth and the bony labyrinth of the inner ear.