A dental model is provided including at least one artificial flexible jaw including an arch- shaped base portion having outer and inner walls extending between first and second ends, the base portion holding a plurality of teeth. The base portion is flexible and extendable so that its first and second ends can move in three dimensions with respect to each other. Thus, the base portion can move to various configurations in which the first and second ends can be positioned in any manner with respect to each other, e.g., at different distances from each other and/or in different planes. The dental model can include one or both of hard palate and soft palate with or without uvula configured to deform when the base portion is deformed. The one or more jaws can be mounted on a holder.