Cephalometric analysis of an 11-year-old shows SNA 82 degrees and SNB 75 degrees. What does this most likely indicate?

  • Correct answer

    A skeletal Class II jaw relationship

  • A skeletal Class III jaw relationship

  • A skeletal Class I jaw relationship

  • An increased lower anterior face height

This question is one of 15 in AFK practice: Orthodontics, pediatric and geriatric dentistry. Test yourself on all of them.

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Explanations

  • The ANB angle is 7 degrees, well above the norm of about 2 degrees, indicating the mandible is positioned distally relative to the maxilla (skeletal Class II). ANB describes anteroposterior, not vertical, relationships.

    Source: Proffit, Contemporary Orthodontics — oneguy

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