Moderate

The maximum rate of eruption, as the tooth cusps reach the surface epithelium is around ________ μm/day?

Correct answer: B. 75

  • A. 100
  • B. 75
  • C. 50
  • D. 25

Explanation

As the cusps approach and penetrate the oral epithelium, eruption may accelerate to roughly 75 μm per day. This is higher than the slower average rate seen during other phases of eruption.

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