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Etymology: Gk, gnathos + statike, weighing; ME, casten
a cast or mold of the teeth trimmed so that its occlusal plane is in its normal oral attitude when the cast is set on a horizontal surface. It is used in orthodontic diagnosis based on gnathostatics.
gnath·o·stat·ic cast(nathō-statik kast)
An impression of the teeth trimmed so that the occlusal plane is in its normal position in the mouth when the cast is set on a plane surface.