Upper lower periodontal involved model with realistic soft silicone tissue which accurately demonstrates hypoplasia, cleft and realistic gum reseeding . Edentulous in #19 with upper molar #14 super-erupted. Ideal for patient demonstration since the gingivae can be reflected showing bifurcations, trifurcations, pocketing, apical abscess, with calculus. One quadrant of upper arch shows a post surgical situation for comparison. All teeth are held in with screws and are easily removed or replaced. Picture is shown with "DP" articulator. Made for Dental Schools students techniques practicing, training. Dental offices for patient's demonstrations and also for legal presentations.