1、This model is a normal human oral cavity 2 times magnification, composed of 28 permanent teeth. 2、The lower teeth of this model are removable and equipped with a tongue. 3、Combining teaching methods such as lectures and practical operations, children can have a preliminary understanding of the basic structure and basic functions of teeth, understand the importance of dental health, and develop a good habit of caring for teeth. 4、It is suitable for secondary schools and can be used as an intuitive teaching aid for teaching dental health knowledge in physiological hygiene teaching. 5、Comes with a toothbrush, which can be well used for teaching oral cleaning. Condition:100% Brand New Item Type: Teeth ModelMaterial: ABS Size: Approx. 12 x 12 x 9cm/4.7 x 4.7 x 3.5in Display content: 1. This model is a normal human oral cavity 2 times magnified, composed of 28 permanent teeth, 2 times magnified large tooth model (the lower teeth can be disassembled and have a tongue) 2. The upper jaw and lower jaw can be opened and closed freely. 3. The upper jaw shows central incisor, lateral incisor, canine, premolar, molar, palate, etc. 4. The lower jaw shows central incisors, lateral incisors, canines, premolars, molars, lower palate, etc. Use and storage: This model is suitable for indoor use between -25°C to 40°C. After use, the dust should be removed and packaged in a plastic bag. The storage place should be dry, ventilated, and free from direct sunlight. The model should avoid contact with organic solvents and heat sources to prevent discoloration and deformation. 1 x Teeth Model 1 x Toothbrush