The positive version of the impressions were achieved with type III gypsum Quick Stone, Whip Mix. With knowledge acquired from the models, an individual spoon was built for the upper arch. A new impression was taken with polysulfide rubber Permlastic Kerr.
Estas impresiones se obtuvieron en positivo, en yeso tipo III Quick Stone, Whip Mix; con base en los modelos, se realizó una cucharilla individual para la arcada superior y se tomó una nueva impresión con hule de polisulfuro Permlastic, Kerr.