National Dental Examining Board of Canada (NDEB) Practice Exam

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Prepare for the National Dental Examining Board of Canada (NDEB) Test. Study with flashcards and multiple choice questions, each question offers hints and detailed explanations. Achieve success in your exam!

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Practice this question and more.

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

After it reaches the occlusal plane
Before it reaches the occlusal plane
During early mixed dentition
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.