Predicta is a nanohydroxyapatite-based desensitizer whose proprietary composition contains calcium, sodium, phosphate, and silica (N. Luong et al., 2020).
Source: Luong, M. N., Huang, L., Chan, D. C. N., & Sadr, A. (2020). In vitro study on the effect of a new bioactive desensitizer on dentin tubule sealing and bonding. Journal of Functional Biomaterials, 11(2), Article 38. https://doi.org/10.3390/jfb11020038