This mannequin manufactured by Nacional Ossos; a cross-section of the skull, fabricated with mechanical properties similar to human bone (type 2). The maxilla, has a maxillary sinus with flexible membrane, ATM, zygomatic, auricular and occipital, has the 28 included. Tooth 13 is included in the palate and tooth 23 included in the vestibular. The jaw, has the tooth 48 included. (All teeth included are encapsulated and radiopaque.) 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 use in TOMOGRAPHIES, X-RAY, development of tissues; surgical techniques, in-person or EAD practical classes and workshop. It has an articulated jaw. Radiopaque parts give the unique opportunity to take X-ray and CT images as many times as necessary for correct learning without exposing patients to radiation.