**Boya Shi, Jiaxin Niu, Xinyue Zhou and Xiaoyang Dong**

Quantitative Assessment Methods of Early Enamel Caries with Optical Coherence Tomography: A Review Reprinted from: *Appl. Sci.* **2022**, *12*, 8780, doi:10.3390/app12178780 ................. **107**
