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Fig. 2 | Progress in Orthodontics

Fig. 2

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

Fig. 2

VPS 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 ā€œUā€ 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 observed

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