Fig. 2From: 3D evaluation of the morphological and volumetric changes of the tongue and oral cavity before and after orthognathic surgery for mandibular prognathism: a preliminary studyVPS impression pattern. a The customized tray used to take VPS impression pattern passing along the buccal side of the upper and lower arches in a “U” form to provide support to the impression. b The lower view of VPS impression pattern together with the customized tray and the lower dental arch together with the tongue shape can be observedBack to article page