wherein {TAIL ~ the single block body} composed of catalyzed acrylic resin comprises orthodontic models formed in {HEAD ~ alginate matrix} by pouring white acrylic resin and brushing pink acrylic resin on the matrix walls until a desired thickness is reached and the orthodontic models are obtained 
wherein { TAIL ~ the single block body } composed of catalyzed acrylic resin comprises orthodontic models formed in { HEAD ~ alginate matrix } by pouring white acrylic resin and brushing pink acrylic resin on the matrix walls until a desired thickness is reached and the orthodontic models are obtained
OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH