1. 1. W.-T. Koo, S.-J. Choi, N.-H. Kim, J.-S. Jang, and I.-D. Kim, Sens. Actuators, B, 2016, 223, 3010.
2. 2. K. Yaegaki and K. Sanada, J. Periodont. Res., 1992, 27, 233.
3. 3. W. Li, W. Dai, M. Liu, Y. Long, C. Wang, S. Xie, Y. Liu, Y. Zhang, Q. Shi, X. Peng, Y. Liu, Q. Li, and Y. Duan, BMJ Open., 2019, e028448.
4. 4. R. Kalidoss and S. Umapathy, Biomed. Microdevices, 2020, 22, 2.
5. 5. X. Hao, C. Ma, X. Yang, T. Liu, B. Wang, F. Liu, X. Liang, C. Yang, H. Zhu, and G. Lu, Sens. Actuators, B, 2018, 255, 3033.