Abstract:
OBJECTIVE:Phosphoryl oligosaccharides of calcium (POs-Ca) are highly soluble calcium source made from potato starch. The aim of this study was to investigate the optimal concentrations of POs-Ca for the remineralization of subsurface enamel lesions in vitro. DESIGN:Demineralized bovine enamel slabs (n=5) were remineralized in vitro for 24h at 37°C with artificial saliva (AS) containing 0-0.74% POs-Ca to adjust the Ca/P ratio to 0.4-3.0, then sectioned and analysed by transversal microradiography (TMR). The data were analysed by Scheffe's post hoc test. The Ca/P ratio with most remineralization was used to investigate the effect of calcium on enamel remineralization (n=11). The demineralized slabs were treated with AS with calcium-chloride- (CaCl2-) or POs-Ca with an identical calcium content, and sectioned for TMR and wide-angle X-ray diffraction (WAXRD) analyses to evaluate the local changes in hydroxyapatite (HAp) crystal content. The data were analysed using the Mann-Whitney U-test. RESULTS:The highest mineral recovery rate resulted from addition of POs-Ca to adjust the Ca/P to 1.67. At this ratio, the mineral recovery rate for AS containing POs-Ca (24.2±7.4%) was significantly higher than that for AS containing CaCl2 (12.5±11.3%) (mean±SD, p<0.05). The recovery rate of HAp crystallites for AS containing POs-Ca (35.7±10.9%) was also significantly higher than that for AS containing CaCl2 (23.1±13.5%) (p<0.05). The restored crystallites were oriented in the same directions as in sound enamel. CONCLUSIONS:POs-Ca effectively enhances enamel remineralization with ordered HAp at a Ca/P ratio of 1.67.
journal_name
Arch Oral Bioljournal_title
Archives of oral biologyauthors
Tanaka T,Kobayashi T,Takii H,Kamasaka H,Ohta N,Matsuo T,Yagi N,Kuriki Tdoi
10.1016/j.archoralbio.2012.07.004subject
Has Abstractpub_date
2013-02-01 00:00:00pages
174-80issue
2eissn
0003-9969issn
1879-1506pii
S0003-9969(12)00246-4journal_volume
58pub_type
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journal_title:Archives of oral biology
pub_type: 杂志文章
doi:10.1016/0003-9969(93)90129-a
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doi:10.1016/0003-9969(95)98812-d
更新日期:1995-03-01 00:00:00
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journal_title:Archives of oral biology
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更新日期:2009-08-01 00:00:00
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journal_title:Archives of oral biology
pub_type: 历史文章,杂志文章
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更新日期:1992-01-01 00:00:00
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journal_title:Archives of oral biology
pub_type: 杂志文章,评审
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更新日期:2008-02-01 00:00:00
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更新日期:1999-02-01 00:00:00
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journal_title:Archives of oral biology
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doi:10.1016/j.archoralbio.2011.02.012
更新日期:2011-09-01 00:00:00
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doi:10.1016/0003-9969(90)90161-3
更新日期:1990-01-01 00:00:00
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journal_title:Archives of oral biology
pub_type: 杂志文章
doi:10.1016/0003-9969(88)90013-1
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更新日期:2018-10-01 00:00:00
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journal_title:Archives of oral biology
pub_type: 杂志文章
doi:10.1016/j.archoralbio.2017.06.023
更新日期:2017-10-01 00:00:00
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更新日期:2018-11-01 00:00:00
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journal_title:Archives of oral biology
pub_type: 杂志文章
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更新日期:2021-02-01 00:00:00
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pub_type: 杂志文章
doi:10.1016/0003-9969(81)90106-0
更新日期:1981-01-01 00:00:00
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journal_title:Archives of oral biology
pub_type: 杂志文章
doi:10.1016/0003-9969(95)00068-z
更新日期:1995-11-01 00:00:00
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journal_title:Archives of oral biology
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doi:10.1016/j.archoralbio.2013.08.003
更新日期:2013-11-01 00:00:00
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journal_title:Archives of oral biology
pub_type: 杂志文章
doi:10.1016/j.archoralbio.2018.04.009
更新日期:2018-07-01 00:00:00
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更新日期:2019-06-01 00:00:00
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journal_title:Archives of oral biology
pub_type: 杂志文章
doi:10.1016/j.archoralbio.2015.07.018
更新日期:2015-10-01 00:00:00
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pub_type: 杂志文章
doi:10.1016/0003-9969(86)90095-6
更新日期:1986-01-01 00:00:00
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更新日期:2020-11-01 00:00:00
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journal_title:Archives of oral biology
pub_type: 杂志文章
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更新日期:2020-09-01 00:00:00
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journal_title:Archives of oral biology
pub_type: 杂志文章
doi:10.1016/j.archoralbio.2012.02.012
更新日期:2012-08-01 00:00:00
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journal_title:Archives of oral biology
pub_type: 杂志文章
doi:10.1016/0003-9969(95)00018-k
更新日期:1995-07-01 00:00:00
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journal_title:Archives of oral biology
pub_type: 杂志文章
doi:10.1016/j.archoralbio.2012.08.013
更新日期:2013-02-01 00:00:00