Journal of Korean Dental Hygiene Science (대한치위생과학회지)

The Korean Academy of Dental Hygiene & The Korean Society of Dental Hygiene Science (대한치과위생학회 & 한국치위생과학회)
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Remineralization effect of sodium caseinate on artificially demineralized enamel

인공탈회된 법랑질에 대한 카제인나트륨의 재광화 효과

  • Lim, Hee-Jung (Department of Dental Hygiene, College of Health Science, Eulji University) ;
  • Jung, Im-Hee (Department of Dental Hygiene, College of Health Science, Eulji University) ;
  • Lim, Do-Seon (Department of Dental Hygiene, College of Health Science, Eulji University)
  • 임희정 (을지대학교 보건과학대학 치위생학과) ;
  • 정임희 (을지대학교 보건과학대학 치위생학과) ;
  • 임도선 (을지대학교 보건과학대학 치위생학과)
  • Received : 2022.06.09
  • Accepted : 2022.06.20
  • Published : 2022.06.30
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Abstract

Background: This study aimed to compare the remineralization effects of sodium caseinate and other substances on artificially demineralized enamel. Methods: We selected 25 healthy human premolars and molars and produced a total of 75 specimens by dividing them into five groups: control group, with distilled water; experimental group 1 (EG1), with 3% sodium caseinate; EG2, with 10% sodium caseinate; EG3, with casein phosphopeptide-amorphous calcium phosphate (CPP-ACP); and EG4, with 0.05% NaF. Subsequently, the specimens were immersed in an artificial demineralization solution for 60 min. The demineralized specimens were then immersed in a remineralization solution for 7 days. Surface microhardness was measured using a microhardness tester, and remineralized lesions were observed under a scanning electron microscope (SEM). Regarding statistical analysis, the paired t-test and analysis of variance were performed using the SPSS program. Results: Although the surface hardness of the remineralized lesions increased significantly in all groups (p<0.05), the average increment did not differ significantly between the groups. The surface microhardness of CPP-ACP was the highest, followed by that of 0.05% NaF and 10% sodium caseinate. The remineralization effect of sodium caseinate was similar to that of 0.05% NaF. SEM confirmed that all groups treated with the remineralization solution were remineralized. Conclusions: Although the remineralization effect of sodium caseinate was slightly lower than that of CPP-ACP, it was similar to that of 0.05% NaF. Therefore, to enhance the remineralization effect of sodium caseinate, the appropriate concentration and application time should be determined.

Keywords

References

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