展示了多种牙体疾病，包括：龋齿、楔状缺损、融合根、根尖周炎、根尖囊肿、畸形中央尖、釉珠、牙龈萎缩、牙根异常、冠折、根尖脓肿、根尖肉芽肿、阻生牙、乳牙滞留等。 Display a variety of dental diseases, including: dental caries, wedge-shaped defects, fusion roots, periapical, periapical cysts, abnormal central cusp, enamel beads, gingival recession, root exception, crown fracture, apical abscess, apical granulomaswollen, impacted teeth, retained deciduous teeth 。