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NEBDN Dental NurseQuestion 3 / 10

A dental nurse is asked to polish the cheek-facing surfaces of the upper molar teeth. Which surfaces does this instruction refer to?

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✓ Correct answer: C. Buccal surfaces Buccal surfaces are those that face the cheeks on posterior teeth. Why the other options are incorrect: • Lingual surfaces: Lingual surfaces are directed toward the tongue rather than the cheeks. • Palatal surfaces: Palatal surfaces are specific to upper teeth and face the hard palate, not the cheeks. • Mesial surfaces: Mesial surfaces face toward the midline of the dental arch. • Distal surfaces: Distal surfaces face away from the midline of the dental arch.

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