1Clear Display: Dental periodontal disease model can effectively show the severity of the disease and the range of the lesion, which is a common oral disease with a high incidence. 2Different Stages: Periodontal disease teeth model display the pathological states ranged from simple gingivitis in the early stage of periodontal disease to mild, moderate and severe chronic periodontitis. 3Better Understand: Periodontal disease model allow you can understand the different types of periodontal diseases, help patients better identify their oral problems and take appropriate measures. 4Serious Problem: Periodontal disease mainly occurs in young people, progresses rapidly and seriously, which may cause to tooth loosening or loss if not treated in time. 5Usage: Periodontal disease teeth model used in dental teaching, which can help students better understand the pathological changes of dental tissues, so as to improve their clinical ability.