mean foundation plane
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mean foun·da·tion plane
the mean of the various irregularities in form and inclination of the basal seat; the ideal condition for denture stability exists when the mean foundation plane is most nearly at right angles to the direction of force.
Farlex Partner Medical Dictionary © Farlex 2012
mean foun·da·tion plane(mēn fown-dāshŭn plān)
Mean of various irregularities in form and inclination of basal seat; condition for denture stability is ideal when mean foundation plane is most nearly at right angles to direction of force.
Medical Dictionary for the Dental Professions © Farlex 2012