The impact of remineralization agents on dental bleaching efficacy and mineral loss in bleached enamel

Misilli T., Çarıkçıoğlu B., Deniz Y., Aktaş Ç.

EUROPEAN JOURNAL OF ORAL SCIENCES, cilt.130, sa.6, 2022 (SCI-Expanded) identifier identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 130 Sayı: 6
  • Basım Tarihi: 2022
  • Doi Numarası: 10.1111/eos.12905
  • Dergi Adı: EUROPEAN JOURNAL OF ORAL SCIENCES
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus, Academic Search Premier, BIOSIS, Biotechnology Research Abstracts, CAB Abstracts, CINAHL, EMBASE, MEDLINE, Veterinary Science Database
  • Anahtar Kelimeler: color stability, SEM-EDS, tooth bleaching, whiteness index, X-ray diffraction, IN-OFFICE, AT-HOME, FLUORIDE THERAPIES, HYDROGEN-PEROXIDE, BOVINE ENAMEL, COLOR-CHANGE, TOOTH COLOR, CALCIUM, LIGHT, MICROHARDNESS
  • Çanakkale Onsekiz Mart Üniversitesi Adresli: Evet

Özet

This study evaluated the effect of remineralization agents on bleaching efficiency, enamel mineral changes, and post-bleaching color stability. A total of 112 enamel-dentin blocks were prepared from bovine teeth. Following initial color measurements, separate treatment regimens were carried out as follows: negative control (no treatment); positive control (bleaching only); bleaching, then NaF; bleaching + NaF (mix); bleaching, then CPP-ACPF; bleaching + CPP-ACPF (mix); bleaching, then nHAP+F; bleaching + nHAP+F (mix). Color measurements were repeated after immersion in distilled water for 7 days, and again after staining with coffee solution for 14 days. The CIELAB-based whiteness index was used to evaluate bleaching efficiency, and the CIEDE2000 color difference formula for color stability. Chemical investigation was performed using scanning electron microscopy with energy dispersive spectroscopy and X-ray diffraction analyses. The experimental groups showed significant increases in whiteness compared to the negative control, and the staining after bleaching did not result in statistically significant differences between the groups. Energy dispersive spectroscopic analysis revealed that bleaching protocols had no impact on elemental levels as well as the ratio of Ca/P. The combined use of bleaching agents with remineralization agents did not affect bleaching effectiveness but also did not provide an additional contribution.