Human denture model: 1. products from the amplification is not less than 3 times the primary dentition and permanent teeth and amplification of not less than 10 times the grinding teeth Anatomy of a three-part model, you can remove the horizontal rotation or. 2. model of the lower right dentition, mandibular angle and coronoid process to 210mm(precise 5mm), preserving the right half of neck and part of the gums.