| 1. | Dentistry - mercury and alloys for dental amalgam 牙科学.牙科汞齐合金用汞及合金 |
| 2. | Dentistry - mercury and alloys for dental amalgam 牙科学.牙科汞齐合金用汞及合金 |
| 3. | Dentistry - medical devices for dentistry - materials 牙科学.牙科用医疗装置.材料 |
| 4. | Dentistry - medical devices for dentistry - equipment 牙科学.牙科用医疗装置.设备 |
| 5. | Dentistry - medical devices for dentistry - materials 牙科学.牙科用医疗装置.材料 |
| 6. | Dentistry - oral hygiene products - oral rinses 牙科学.口腔卫生制品.口腔冲洗 |
| 7. | Dentistry - polymer - based pit and fissure sealants 牙科学.聚合物基窝沟封闭剂 |
| 8. | Dentistry - medical devices for dentistry - equipment 牙科学.牙科用医疗装置.设备 |
| 9. | Dentistry - oral hygiene products - oral rinses 牙科学.口腔卫生产品.口腔冲洗 |
| 10. | Dentistry - medical devices for dentistry - instruments 牙科学.牙科用医疗装置.器械 |