interocclusal distance

[ĭn′tər-ə-klōōzəl]
n.
  1. The vertical distance between the occluding surfaces of the upper and lower teeth when the mandible is in the resting position.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.