Bond Strength Survival of a Novel Calcium Phosphate-Enriched Orthodontic Self-Etching System after Various Ageing Protocols: An In Vitro Study

Figure 1

FE-SEM images of premolar buccal enamel surfaces etched with TSEP and debonded at 24 h. The etched teeth exhibited irregular, roughened enamel with abundant scratches, grooves, and cracks (a, e), adhesive residue (b, d), and open enamel micropores (c, f).

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