[Documentation file of orthodontic clinical records. Plaster study models. 3]. / Dossier sulla documentazione dei casi clinici ortodontici. I modelli di studio in gesso. Parte III.

Cast models are to be considered a basic element of analysis in orthodontics. This work aims at describing the various operating phases which are necessary for obtaining successful results when preparing these diagnostic records. In fact the various steps are concurrently shown developing from the initial impressions to the polishing and final labelling especially emphasizing Tweeds' trimming method.