✓ Correct answer: C. The surface nearest to the dental midlineThe mesial surface is the side of a tooth that faces toward the midline of the dental arch.
Why the other options are incorrect:
• The surface oriented toward the cheek: The surface facing the cheek is called the buccal surface.
• The surface oriented toward the tongue: The surface facing the tongue is called the lingual surface.
• The surface farthest from the dental midline: The surface farthest from the midline is called the distal surface.
• The biting or chewing surface: The biting or chewing surface is called the occlusal surface.
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Theory