REMINERALIZATION EFFECT OF FLUORIDE VARNISH CONTAINING CASEIN PHOSPHOPEPTIDE AMORPHOUS CALCIUM PHOSPHATE ON CARIES-LIKE LESIONS IN PRIMARY TEETH (IN VITRO STUDY)

Authors

1 Instructor, Department of Pediatric Dentistry, Faculty of Dentistry, Pharos University, Egypt

2 Professor of Pediatric Dentistry, Department of Pediatric Dentistry and Dental Public Health, Faculty of Dentistry, Alexandria University, Egypt

3 Professor of Pediatric Dentistry, Faculty of Dentistry, Alexandria University, Alexandria, Egypt.

4 Professor of Oral Biology, Department of Oral Biology, Faculty of Dentistry, Alexandria University, Egypt.

Abstract

INTRODUCTION: Fluoride containing casein phosphopeptide amorphous calcium phosphate (CPP-ACP) varnishes are now available as (MI Varnish). It has an effect on the remineralization process of demineralized enamel, since it has the highest release of calcium and fluoride ions. OBJECTIVES: To study the remineralizing effect of fluoride varnish containing casein phosphopeptide amorphous calcium phosphate (MI varnish) on the remineralization of caries-like lesions in primary teeth compared to sodium fluoride varnish. MATERIALS AND METHODS: Twenty-four freshly extracted primary maxillary incisors with standardized 4x4 windows were immersed in demineralizing solution for four days. Teeth were divided into two groups, group I (n=12 teeth); MI varnish and group II (n=12 teeth); Prevident varnish. They were sectioned into two halves in a buccolingual direction (48 specimens). One half was treated with the remineralizing agent and the other half remained untreated and served as its control. Specimens were assigned into subgroup I A (MI varnish) n=12 specimens, subgroup I B (untreated) n=12 specimens, subgroup II A (Prevident varnish) n=12 specimens and subgroup II B (untreated) n=12 specimens. Specimens were subjected to pH cycling for ten days. The specimens were evaluated quantitatively using energy dispersive x-ray spectrometer (EDX). RESULTS: MI varnish treated specimens (subgroup I A) showed significant high mean Ca, Ca/P ratio than the untreated specimens. Also, Prevident varnish treated specimens showed significant high mean Ca, Ca/P ratio than the untreated specimens. Median percent change of Ca/P ratio of MI varnish treated specimens was significantly higher than Prevident varnish treated specimens. CONCLUSIONS: Fluoride varnish containing CPP-ACP has a higher remineralization potential of the caries-like lesion in primary teeth in comparison to sodium fluoride varnish.

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References

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