Document Detail

Dentifrice abrasivity. The use of laser light for determination of the abrasive properties of different silicas. An in vitro study.
MedLine Citation:
PMID:  3029884     Owner:  NLM     Status:  MEDLINE    
The abrasive properties of five different silicon dioxides were investigated using laser reflexion. The substances were milled, amorphous silica gels of which four were commercially available dentifrice ingredients (Syloblanc) and one an experimental product. The abrasion process was carried out on acrylic plates in a brushing machine using two series of slurries of the substances, with and without sodium lauryl sulphate. Significant differences in abrasivity of the substances were observed. When sodium lauryl sulphate was included, the rate of abrasion decreased for the Syloblanc substances but increased for the experimental substance. The contrast was primarily explained by the capability of the different substances to form stable foams owing to their thickening properties. The investigation confirmed that silicon dioxides exhibit a wide range of abrasivity and proved that sodium lauryl sulphate influenced the abrasion process.
G Redmalm
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Swedish dental journal     Volume:  10     ISSN:  0347-9994     ISO Abbreviation:  Swed Dent J     Publication Date:  1986  
Date Detail:
Created Date:  1987-04-03     Completed Date:  1987-04-03     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  7706129     Medline TA:  Swed Dent J     Country:  SWEDEN    
Other Details:
Languages:  eng     Pagination:  243-50     Citation Subset:  D; IM    
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MeSH Terms
Dentifrices / adverse effects*
Lasers / diagnostic use*
Microscopy, Electron, Scanning
Silicon Dioxide / adverse effects*
Sodium Dodecyl Sulfate
Surface Properties
Tooth Abrasion / diagnosis*,  etiology
Toothbrushing / adverse effects
Reg. No./Substance:
0/Dentifrices; 151-21-3/Sodium Dodecyl Sulfate; 7631-86-9/Silicon Dioxide

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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