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. 2022 Aug 11;7(3):111. doi: 10.3390/biomimetics7030111

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© 2022 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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FESEM images of typical surface areas of mineralized tooth tissue samples with two magnifications (×13,000 on the left and ×50,000 on the right): (a,b) healthy tooth enamel without treatment (sample N1); (c,d) without pretreatment and with subsequent mineralization (sample N2); (e,f) after surface pretreatment with H₃PO₄ and subsequent mineralization (sample N3); (g,h) after surface pretreatment with Ca(OH)₂ and subsequent mineralization (sample N4); (i,j) after surface pretreatment with Ca(OH)₂ and amino acid booster, with subsequent mineralization (sample N5).

FESEM images of typical surface areas of mineralized tooth tissue samples with two magnifications (×13,000 on the left and ×50,000 on the right): (a,b) healthy tooth enamel without treatment (sample N1); (c,d) without pretreatment and with subsequent mineralization (sample N2); (e,f) after surface pretreatment with H₃PO₄ and subsequent mineralization (sample N3); (g,h) after surface pretreatment with Ca(OH)₂ and subsequent mineralization (sample N4); (i,j) after surface pretreatment with Ca(OH)₂ and amino acid booster, with subsequent mineralization (sample N5).