INBDE Practice Exam 2025 – Complete Study Guide

Question: 1 / 1180

How much leeway space is average per side in the mandible?

2.5 mm

The average leeway space per side in the mandible is about 2.5 mm. This allows for the eruption of permanent teeth that are larger in size than the primary teeth they replace. Option B, 1.5 mm, is too small and may not provide enough space for proper tooth alignment. Option C, 2 mm, is close, but not quite the average measurement. Option D, 3 mm, is too large and may result in excessive space between teeth or potential crowding issues.

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1.5 mm

2 mm

3 mm

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