Human tooth enamel can naturally regenerate.
Human tooth enamel cannot naturally regenerate because it lacks cells and the capacity for self-repair after tooth eruption, requiring external interventions or biomimetic materials for restoration.
The retrieved literature consistently states that human tooth enamel lacks cellular components after eruption and cannot naturally regenerate or self-repair. While surface minerals can be partially remineralized via saliva or topical agents, true natural regeneration of lost enamel structure does not occur biologically, directly refuting the claim.
J. Kruzic, M. Hoffman, J. A. Arsecularatne. Fatigue and wear of human tooth enamel: A review.. 2022. https://doi.org/10.1016/j.jmbbm.2022.105574
Dental enamel does not have a significant capacity for healing or self-repair because it lacks cells after eruption.
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Hanlin Liu, Bo Li, Mingrui Gao, Yangbei Li, Xiuyi Yang, Fengshi Li, Zhi Cai, Yi Liu, Shaojia Liu, Hewei Zhao, Lin Guo. Restoration of human tooth enamel. 2025. https://doi.org/10.1002/bmm2.12139
The tooth enamel lacks the ability to generate cells on the damaged side of the tooth after eruption, preventing self-repair.
Hasan A, Chuvilin A, Van Teijlingen A, Rouco H, Parmenter C, Venturi F, Fay M, Greco G, Pugno NM, Ruben J, Edwards-Gayle CJC, Myers B, Dreveny I, Cowieson N, Winter A, Gamea S, Walboomers XF, Hussain T, Rodríguez-Cabello JC, Rawson F, Tuttle T, Elsharkawy S, Banerjee A, Habelitz S, Mata A. Biomimetic supramolecular protein matrix restores structure and properties of human dental enamel.. 2025. https://doi.org/10.1038/s41467-025-64982-y
Enamel does not possess the ability to regenerate, requiring artificial strategies to restore its microstructure.
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