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Article: Nerve-targeted desensitizing toothpastes occlude dentin tubules and induce mineral precipitation

TitleNerve-targeted desensitizing toothpastes occlude dentin tubules and induce mineral precipitation
Authors
Issue Date2012
PublisherMosher & Linder, Inc. The Journal's web site is located at http://www.amjdent.com
Citation
American Journal Of Dentistry, 2012, v. 25 n. 1, p. 26-30 How to Cite?
AbstractPurpose: To examine the laboratory dentin tubules occlusion and mineral precipitation capability of two potassium salts-containing desensitizing toothpastes. Methods: 40 dentin disks were obtained and divided into four groups, including artificial saliva (AS), distilled water (DW), Sensodyne Freshmint (SF) and Colgate Sensitive (CS). Dentin permeability measurement was performed after EDTA etching, initial brush, 3-day brush, 7-day brush and citric acid challenge, respectively. Attenuated total reflection Fourier transform infrared spectroscopy (ATR-FTIR) was used to monitor the variation of mineral content before and after treatments. The ultra-morphology of dentin surface was examined using scanning electron microscopy (SEM) to evaluate tubule occlusion. Results: The two potassium salts-containing desensitizing toothpastes significantly reduced dentin permeability to less than 40% after 7-day treatment (P< 0.05). The ATR-FTIR analysis showed increase of the intensity of the phosphate peak after a 7-day brushing period using both of the tested toothpastes. However, the dentin permeability significantly increased and the intensity of phosphate peak decreased after acid etching for all groups. The SEM examination revealed partially occluded dentin tubules after toothpaste treatments, but after the acid challenge the tubules were opened again.
Persistent Identifierhttp://hdl.handle.net/10722/154720
ISSN
2015 Impact Factor: 1.194
2015 SCImago Journal Rankings: 0.443
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorWang, Zen_US
dc.contributor.authorJiang, Ten_US
dc.contributor.authorSauro, Sen_US
dc.contributor.authorWang, Yen_US
dc.contributor.authorXing, Wen_US
dc.contributor.authorLiang, Sen_US
dc.contributor.authorSa, Yen_US
dc.contributor.authorZhang, Cen_US
dc.contributor.authorShen, Yen_US
dc.contributor.authorHaapasalo, Men_US
dc.date.accessioned2012-08-08T08:27:07Z-
dc.date.available2012-08-08T08:27:07Z-
dc.date.issued2012en_US
dc.identifier.citationAmerican Journal Of Dentistry, 2012, v. 25 n. 1, p. 26-30en_US
dc.identifier.issn0894-8275en_US
dc.identifier.urihttp://hdl.handle.net/10722/154720-
dc.description.abstractPurpose: To examine the laboratory dentin tubules occlusion and mineral precipitation capability of two potassium salts-containing desensitizing toothpastes. Methods: 40 dentin disks were obtained and divided into four groups, including artificial saliva (AS), distilled water (DW), Sensodyne Freshmint (SF) and Colgate Sensitive (CS). Dentin permeability measurement was performed after EDTA etching, initial brush, 3-day brush, 7-day brush and citric acid challenge, respectively. Attenuated total reflection Fourier transform infrared spectroscopy (ATR-FTIR) was used to monitor the variation of mineral content before and after treatments. The ultra-morphology of dentin surface was examined using scanning electron microscopy (SEM) to evaluate tubule occlusion. Results: The two potassium salts-containing desensitizing toothpastes significantly reduced dentin permeability to less than 40% after 7-day treatment (P< 0.05). The ATR-FTIR analysis showed increase of the intensity of the phosphate peak after a 7-day brushing period using both of the tested toothpastes. However, the dentin permeability significantly increased and the intensity of phosphate peak decreased after acid etching for all groups. The SEM examination revealed partially occluded dentin tubules after toothpaste treatments, but after the acid challenge the tubules were opened again.en_US
dc.languageengen_US
dc.publisherMosher & Linder, Inc. The Journal's web site is located at http://www.amjdent.comen_US
dc.relation.ispartofAmerican Journal of Dentistryen_US
dc.titleNerve-targeted desensitizing toothpastes occlude dentin tubules and induce mineral precipitationen_US
dc.typeArticleen_US
dc.identifier.emailZhang, C:zhangcf@hku.hken_US
dc.identifier.authorityZhang, C=rp01408en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.pmid22558688-
dc.identifier.scopuseid_2-s2.0-84860116201en_US
dc.identifier.hkuros199773-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-84860116201&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume25en_US
dc.identifier.issue1en_US
dc.identifier.spage26en_US
dc.identifier.epage30en_US
dc.identifier.isiWOS:000301817600006-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridWang, Z=35363127100en_US
dc.identifier.scopusauthoridJiang, T=55194895700en_US
dc.identifier.scopusauthoridSauro, S=9941611500en_US
dc.identifier.scopusauthoridWang, Y=12782252100en_US
dc.identifier.scopusauthoridXing, W=36187639500en_US
dc.identifier.scopusauthoridLiang, S=37034539700en_US
dc.identifier.scopusauthoridSa, Y=35791330500en_US
dc.identifier.scopusauthoridZhang, C=7405494609en_US
dc.identifier.scopusauthoridShen, Y=54391802700en_US
dc.identifier.scopusauthoridHaapasalo, M=7003569249en_US

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