Features: brand new and high quality Gives a realistic simulation of the dental models. Tooth carving is a daily skill for oral cavity students and oral surgeons. By carving the shape of teeth, it can not only train the basic operation skills in the oral cavity process, but also deepen the understanding of the shape and characteristics of teeth. Based on the anatomy of human teeth in vitro, presents the structure of tooth in a standard way, making it easy for users to compare and refer to the carved teeth. To improve the basic skills of oral surgeons:Learn the morphological characteristics of each tooth, and understand the relationship among teeth, dentition and occlusionAccording to the physiological significance of the tooth crown shape, the axonal facet and shape of the tooth crown should be restored correctly, and the occlusal relationship should be restored. Specifications: Material: Resin Size: Approx.12.5x5x9cm/4.92x1.97x3.54in Type: Twice Size of Normal Tooth, Permanentteeth with Base(optional) Package Includes: Package A Includes: 1 Set Twice Size of Normal Teeth Package B Includes: 1 Set Permanentteeth with Base note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.