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Efficacy of calcium‐ and fluoride‐containing materials for the remineralization of primary teeth with early enamel lesion
Author(s) -
Memarpour Mahtab,
Soltanimehr Elham,
Sattarahmady Naghmeh
Publication year - 2015
Publication title -
microscopy research and technique
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.536
H-Index - 118
eISSN - 1097-0029
pISSN - 1059-910X
DOI - 10.1002/jemt.22543
Subject(s) - enamel paint , remineralisation , dentistry , amorphous calcium phosphate , varnish , fluoride , fluoride varnish , toothpaste , tooth remineralization , demineralization , chemistry , sodium fluoride , calcium , nuclear chemistry , medicine , coating , inorganic chemistry , organic chemistry
The aim of the study was to determine the efficacy of different products containing fluoride, calcium and phosphate for enamel remineralization in eroded primary teeth. A total of 90 sound primary canine teeth were randomly divided into 5 groups of 18 teeth each: 1) control (polished enamel), 2) 5% DuraShield sodium fluoride varnish, 3) 500 ppm fluoridated toothpaste, 4) casein phosphopeptide‐amorphous calcium phosphate (CPP‐ACP) cream, and 5) Clinpro White varnish containing functionalized tri‐calcium phosphate (fTCP). Enamel microhardness (EMH) was measured in all samples before and after demineralization and after 28 days of remineralization. Also 8 samples in groups 2 to 5 and four samples of sound and demineralized enamel were examined with atomic force microscopy (AFM). All data were analyzed with one‐way ANOVA (p<0.05). Mean microhardness of demineralized enamel was significantly lower than in enamel at baseline (p<0.001). Remineralization significantly increased microharness in groups 2 to 5 compared to the control group (p<0.001). Percent EMH after remineralization with CPP‐ACP was significantly higher than after fTCP (p=0.029), toothpaste (p< 0.001) or fluoride varnish (p<0.001); however, there was no significant difference between toothpaste and fluoride varnish (p=0.062). Microhardness increased more after fTCP treatment than after treatment with sodium fluoride varnish (p<0.001) or fluoridated toothpaste (p=0.045). AFM images showed that enamel roughness decreased most after treatment with fTCP, followed by CPP‐ACP, toothpaste and fluoride varnish. The efficacy of CPP‐ACP cream for remineralizing eroded enamel was greater than fluoride toothpaste, fluoride varnish or fTCP varnish. Microsc. Res. Tech. 78:801–806, 2015 . © 2015 Wiley Periodicals, Inc.

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