Frontal plane of the skull, with maxillary sinus and bone resorption (grade II) in the maxilla and edentulous. Manufactured with mechanical properties similar to human bone, used in TOMOGRAPHIES, X-RAY, development of surgical techniques, in-person or EAD practical classes and workshop. Ideal for training All-on-4 ZIGOMATIC implant system where zygomatic implants are placed in places where there is no bone; indicated for patients with total bone resorption; It has a support block for fixing in the vise (code 5027) during procedures. Radiopaque parts give you the unique opportunity to take X-ray and CT images as many times as necessary for correct learning without exposing patients to radiation.