Thickness of softened human enamel removed by toothbrush abrasion: an in vitro study.
Identifieur interne : 001984 ( Main/Exploration ); précédent : 001983; suivant : 001985Thickness of softened human enamel removed by toothbrush abrasion: an in vitro study.
Auteurs : J. Voronets [Suisse] ; A. LussiSource :
- Clinical oral investigations [ 1436-3771 ] ; 2010.
English descriptors
- KwdEn :
- Beverages (adverse effects), Citric Acid (adverse effects), Citrus sinensis, Dental Enamel (pathology), Drug Combinations, Fluorides (pharmacology), Hardness, Humans, Hydrogen-Ion Concentration, Nitrates (pharmacology), Phosphates (pharmacology), Saliva, Artificial (pharmacology), Tooth Abrasion (pathology), Tooth Erosion (etiology), Tooth Erosion (pathology), Toothbrushing (instrumentation), Toothpastes (pharmacology).
- MESH :
- chemical , adverse effects : Citric Acid.
- adverse effects : Beverages.
- etiology : Tooth Erosion.
- instrumentation : Toothbrushing.
- pathology : Dental Enamel, Tooth Abrasion, Tooth Erosion.
- chemical , pharmacology : Fluorides, Nitrates, Phosphates, Saliva, Artificial, Toothpastes.
- Citrus sinensis, Drug Combinations, Hardness, Humans, Hydrogen-Ion Concentration.
Abstract
The aim of the study was to assess the thickness of softened enamel removed by toothbrushing. Human enamel specimens were indented with a Knoop diamond. Softening was performed with citric acid or orange juice. The specimens were brushed in a brushing machine with a manual soft toothbrush in toothpaste slurry or in artificial saliva. Enamel loss was calculated from the change in indentation depth of the same indent before and after abrasion. Mean surface losses (95% confidence interval) were recorded in treatment groups (in nanometers): (1) citric acid, abrasion with slurry = 339 (280-398); (2) citric acid, abrasion with artificial saliva = 16 (5-27); (3) orange juice, abrasion with slurry = 268 (233-303); (4) orange juice, abrasion with artificial saliva = 14 (5-23); (5) no softening, abrasion with slurry = 28 (10-46). The calculated thickness of the softened enamel varied between 254 and 323 nm, depending on the acid used.
DOI: 10.1007/s00784-009-0288-y
PubMed: 19499254
Affiliations:
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Voronets</name><affiliation wicri:level="4"><nlm:affiliation>Department of Preventive, Restorative and Pediatric Dentistry, University of Bern, Freiburgstrasse 7, 3010 Bern, Switzerland. voronets.julia@sunrise.ch</nlm:affiliation><country xml:lang="fr">Suisse</country><wicri:regionArea>Department of Preventive, Restorative and Pediatric Dentistry, University of Bern, Freiburgstrasse 7, 3010 Bern</wicri:regionArea><placeName><settlement type="city">Berne</settlement><region type="région" nuts="3">Canton de Berne</region></placeName><orgName type="university">Université de Berne</orgName><placeName><settlement type="city">Berne</settlement><region nuts="3" type="region">Canton de Berne</region></placeName></affiliation></author><author><name sortKey="Lussi, A" sort="Lussi, A" uniqKey="Lussi A" first="A" last="Lussi">A. 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Voronets</name><affiliation wicri:level="4"><nlm:affiliation>Department of Preventive, Restorative and Pediatric Dentistry, University of Bern, Freiburgstrasse 7, 3010 Bern, Switzerland. voronets.julia@sunrise.ch</nlm:affiliation><country xml:lang="fr">Suisse</country><wicri:regionArea>Department of Preventive, Restorative and Pediatric Dentistry, University of Bern, Freiburgstrasse 7, 3010 Bern</wicri:regionArea><placeName><settlement type="city">Berne</settlement><region type="région" nuts="3">Canton de Berne</region></placeName><orgName type="university">Université de Berne</orgName><placeName><settlement type="city">Berne</settlement><region nuts="3" type="region">Canton de Berne</region></placeName></affiliation></author><author><name sortKey="Lussi, A" sort="Lussi, A" uniqKey="Lussi A" first="A" last="Lussi">A. Lussi</name></author></analytic><series><title level="j">Clinical oral investigations</title><idno type="eISSN">1436-3771</idno><imprint><date when="2010" type="published">2010</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Beverages (adverse effects)</term><term>Citric Acid (adverse effects)</term><term>Citrus sinensis</term><term>Dental Enamel (pathology)</term><term>Drug Combinations</term><term>Fluorides (pharmacology)</term><term>Hardness</term><term>Humans</term><term>Hydrogen-Ion Concentration</term><term>Nitrates (pharmacology)</term><term>Phosphates (pharmacology)</term><term>Saliva, Artificial (pharmacology)</term><term>Tooth Abrasion (pathology)</term><term>Tooth Erosion (etiology)</term><term>Tooth Erosion (pathology)</term><term>Toothbrushing (instrumentation)</term><term>Toothpastes (pharmacology)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="adverse effects" xml:lang="en"><term>Citric Acid</term></keywords><keywords scheme="MESH" qualifier="adverse effects" xml:lang="en"><term>Beverages</term></keywords><keywords scheme="MESH" qualifier="etiology" xml:lang="en"><term>Tooth Erosion</term></keywords><keywords scheme="MESH" qualifier="instrumentation" xml:lang="en"><term>Toothbrushing</term></keywords><keywords scheme="MESH" qualifier="pathology" xml:lang="en"><term>Dental Enamel</term><term>Tooth Abrasion</term><term>Tooth Erosion</term></keywords><keywords scheme="MESH" type="chemical" qualifier="pharmacology" xml:lang="en"><term>Fluorides</term><term>Nitrates</term><term>Phosphates</term><term>Saliva, Artificial</term><term>Toothpastes</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Citrus sinensis</term><term>Drug Combinations</term><term>Hardness</term><term>Humans</term><term>Hydrogen-Ion Concentration</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The aim of the study was to assess the thickness of softened enamel removed by toothbrushing. Human enamel specimens were indented with a Knoop diamond. Softening was performed with citric acid or orange juice. The specimens were brushed in a brushing machine with a manual soft toothbrush in toothpaste slurry or in artificial saliva. Enamel loss was calculated from the change in indentation depth of the same indent before and after abrasion. Mean surface losses (95% confidence interval) were recorded in treatment groups (in nanometers): (1) citric acid, abrasion with slurry = 339 (280-398); (2) citric acid, abrasion with artificial saliva = 16 (5-27); (3) orange juice, abrasion with slurry = 268 (233-303); (4) orange juice, abrasion with artificial saliva = 14 (5-23); (5) no softening, abrasion with slurry = 28 (10-46). The calculated thickness of the softened enamel varied between 254 and 323 nm, depending on the acid used.</div></front></TEI><affiliations><list><country><li>Suisse</li></country><region><li>Canton de Berne</li></region><settlement><li>Berne</li></settlement><orgName><li>Université de Berne</li></orgName></list><tree><noCountry><name sortKey="Lussi, A" sort="Lussi, A" uniqKey="Lussi A" first="A" last="Lussi">A. Lussi</name></noCountry><country name="Suisse"><region name="Canton de Berne"><name sortKey="Voronets, J" sort="Voronets, J" uniqKey="Voronets J" first="J" last="Voronets">J. Voronets</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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