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Prevention of dental erosion of a sports drink by nano-sized hydroxyapatite in situ study

Authors
 Ji Hyun Min  ;  Ho Keun Kwon  ;  Baek Il Kim 
Citation
 INTERNATIONAL JOURNAL OF PAEDIATRIC DENTISTRY, Vol.25(1) : 61-69, 2015 
Journal Title
 INTERNATIONAL JOURNAL OF PAEDIATRIC DENTISTRY 
ISSN
 0960-7439 
Issue Date
2015
MeSH
Adult ; Animals ; Beverages/adverse effects* ; Cattle ; Citric Acid/adverse effects ; Cross-Over Studies ; Dental Enamel/drug effects ; Durapatite/pharmacology* ; Female ; Hardness ; Humans ; Hydrogen-Ion Concentration ; Male ; Materials Testing ; Microscopy, Confocal ; Microscopy, Electron ; Nanoparticles/chemistry ; Sports ; Surface Properties ; Tooth Erosion/prevention & control*
Abstract
AIM: To evaluate the inhibitory effects of the sports drink containing nano-sized hydroxyapatite (nano-HA) on dental erosion in situ. DESIGN: The study had a single-blind, two-treatment crossover design. The two treatment groups were a control group (CG; Powerade only) and an experimental group (EG; 0.25% wt/vol nano-HA was added to Powerade). Ten subjects wore removable palatal appliances containing bovine enamel specimens. The appliances were immersed in each drink for 10 mins, 4 times a day for 10 days. The tooth surface microhardness (SMH) was tested, and the erosion depth and the morphology of the tooth surface were observed. The data were analysed by repeated measures anova and t-test. RESULTS: Between the baseline and the 10th day, SMH was decreased by 80% in the specimens of the CG (P < 0.001), whereas there was only a 6% decrease in the SMH of the specimens in the EG. An erosion depth of 12.70 ± 4.66 μm and an irregular tooth surface were observed on the 10th day in the specimens of the CG. No dental erosions, however, was observed in the specimens of the EG. CONCLUSIONS: The sports drink containing 0.25% nano-HA was effective in preventing dental erosion in situ.
Full Text
http://onlinelibrary.wiley.com/doi/10.1111/ipd.12101/abstract
DOI
10.1111/ipd.12101
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Preventive Dentistry and Public Oral Health (예방치과학교실) > 1. Journal Papers
Yonsei Authors
Kwon, Ho Keun(권호근)
Kim, Baek Il(김백일) ORCID logo https://orcid.org/0000-0001-8234-2327
Min, Ji Hyun(민지현)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/139312
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