Patent ID: 7121826
Filing Date: 2006-10-17
Classification: A61C

Abstract:
1. A method of manufacturing an orthodontic model assembly, comprising the steps of: making a single block body composed of catalyzed acrylic resin and having a pair of prism boxes inversely positioned and interconnected by a pair of posterior walls with a window, wherein making a single block body composed of catalyzed acrylic resin includes forming orthodontic models in alginate matrix by pouring white acrylic resin into the matrix cavities and brushing pink acrylic resin on the matrix walls until a desired thickness is reached and the models are obtained; providing covers having perimetric depressions for fitting the covers to the prism boxes; and reaching through the prism boxes, when the covers are removed, for fixing the edges of the orthodontic models positioned between the prism boxes.