? Tooth model made of high -quality resin material, durable and reliable in use, not easy to deform or damage for reliable use. ? The tooth model is the same with mouth size, touching gums.Tooth size and appearance are like real teeth, a total of 28 teeth. ? Perfect great design shows the specific image of the real tooth.Helps people to better understand the structure and function of the teeth. ? The upper and lower jaws are connected by a hinge, they can open up to 180 degrees.Check the entire anatomical teeth clearly.All teeth are shaped as one unit and cannot be removed. ? Tooth model suitable for dentists, teachers and students as well as for dental care in hospitals and the use in dental clinics.