Membrane-guided regeneration (RTG) jaw, coated with a material that simulates soft tissue, allowing incision, detachment and suturing. It has a receptor area with bone resorption for placement of a graft in teeth 35,36,37,45,46 and 47. Articulates in premolars with maxilla (cod 9971SGT) to perform oral rehabilitation with the vertical height being ideal for training in surgical techniques and later demonstration in the office for the patient , as a sales tool.