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Table 1 The mean coefficient of variation from ten times repeated VPS method taken in the same subject

From: 3D evaluation of the morphological and volumetric changes of the tongue and oral cavity before and after orthognathic surgery for mandibular prognathism: a preliminary study

Parameter Mean ± S.D. (cm3) Coefficient of variation(%)
OCC 38.38 ± 0.80 2.10
TV 23.40 ± 1.00 4.29