The model contains a complete set of 32 teeth, including 8 incisors, 4 canines, 8 premolars, 8 molars and 4 wisdom teeth. The Mouth Model is enlarged SIX times normal and includes a full set of teeth and a movable tongue. The dental care model is made with a high quality PVC material that is odorless and durable. It is sturdy enough to even withstand abuse from little kids playing with it. Corrosion resistant, it can easily and safely be cleaned and sanitized. The flexible hinge can open and close the mouth freely and even the mouth's shape can be changed effortlessly. Ideal for training kids about mouth and teeth structure, proper brushing technique, and is also suitable for use by language educators.