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Elemental analysis of the fluoride varnish effects on root caries initiation
Se-Eun Park, Keewook Yi, Hae-Young Kim, Ho-Hyun Son, Juhea Chang
J Korean Acad Conserv Dent 2011;36(4):290-299.   Published online July 31, 2011
DOI: https://doi.org/10.5395/JKACD.2011.36.4.290
AbstractAbstract PDFPubReaderePub
Objectives

The usage of fluoride varnish for a moderate to low caries-risk group has not been well validated. This study aimed to evaluate the preventive and therapeutic efficacies of fluoride varnish on the initiated root caries.

Materials and Methods

Ten premolars were sectioned into quarters, further divided into two windows, one of which was painted with Fluor Protector (1,000 ppm fluoride, Ivoclar Vivadent). An initial lesion with a well-preserved surface layer was produced by pH cycling. Scanned line analysis using energy dispersive spectrometry determined the weight percentages of Ca and P in the demineralized layer. Scanning Electron microscopy and confocal laser scanning microscopy (CLSM) evaluated the varnish-applied root surfaces.

Results

The mean lesion depth (SD) was 12.3 (2.6) µm (single cycling) and 19.6 (3.8) µm (double cycling). Double cycling extended the lesion depth, but induced no more mineral loss than single cycling (p < 0.05). The mean weight percentages of Ca and P between groups with and without varnish were not significantly different (p < 0.05). A CLSM showed varnish remained within 15 µm of the surface layer.

Conclusions

When a mild acid challenge initiated root tissue demineralization, the application of low-concentration fluoride varnish did not influence the lesion depth or the mineral composition of the subsurface lesion.

Citations

Citations to this article as recorded by  
  • The combined occluding effect of sodium fluoride varnish and Nd:YAG laser irradiation on dentinal tubules—A CLSM and SEM study
    Samet Tosun, Emre Culha, Ugur Aydin, Abdul Semih Ozsevik
    Scanning.2016; 38(6): 619.     CrossRef
  • How to designin situstudies: an evaluation of experimental protocols
    Young-Hye Sung, Hae-Young Kim, Ho-Hyun Son, Juhea Chang
    Restorative Dentistry & Endodontics.2014; 39(3): 164.     CrossRef
  • Evaluation of release of fluoride from dental varnishes marketed in Korea
    Han-Na Kim, Myung-Su Jeong, Se-Yeon Kim, Jin-Bom Kim, Seung-Hwa Jeong
    Journal of Korean Academy of Oral Health.2014; 38(3): 131.     CrossRef
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