This Kit of is composed of: CLASS II DUMMY (code 12791) maxillary protrusion and jaw retrusion - CLASS III DUMMY (code 12790) maxillary retrusion and mandible protrusion - ASYMMETRICAL DUMMY (cod 12789) Asymmetry of approximately 10 degrees With mechanical properties similar to human bone (type 2), all teeth. Maxillary sinus with flexible membrane, atm, zygomatic, auricular and occipital. Interdental spaces are preserved to facilitate the surgery process to give more realism. Ideal for the oral and maxillofacial professional to study, learn, train and explain surgical practices, can be cut and drilled for placement of plates and screws. The support allows to make all the necessary movements of mouth opening, tipping and closing for the student to work with both hands as in the real patient, being ideal for studies, surgical practices and workshop, being able to be cut and perforated. This practical and didactic model allows the professional who uses it to have training very close to the real thing, improving techniques with respect to the real world.