National Dental Examining Board of Canada (NDEB) Practice Exam

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Study for the National Dental Examining Board of Canada Exam. Utilize flashcards and multiple-choice questions to solidify your knowledge. Prepare effectively for your dental licensing exam!

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When should a maxillary central incisor erupting in a lingually directed path be corrected?

  1. After it reaches the occlusal plane

  2. Before it reaches the occlusal plane

  3. During early mixed dentition

  4. After complete eruption

The correct answer is: Before it reaches the occlusal plane

A maxillary central incisor erupting in a lingually directed path should be corrected before it reaches the occlusal plane. This is because any correction after it has reached the occlusal plane could potentially cause damage or disturbance to the permanent teeth underneath. Additionally, correcting during early mixed dentition may be too early as the tooth is still developing and could potentially self-correct. Waiting until after complete eruption may also be too late and could lead to more complicated orthodontic treatment. Therefore, correcting before it reaches the occlusal plane is the ideal timing for correcting a lingually directed eruption.

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