Document Detail

Fluoride ingestion from toothpaste: fluoride recovered from the toothbrush, the expectorate and the after-brush rinses.
MedLine Citation:
PMID:  15016118     Owner:  NLM     Status:  MEDLINE    
OBJECTIVES: The aim of this study was to determine the effects of rinsing and spitting on fluoride ingestion from toothpaste during normal oral-hygiene procedures of younger children, and hence to make recommendations on rinsing during toothbrushing. METHODS: The brushing habits of 166 Dutch and 185 Irish children between 1.5 and 3.5 years were observed during home visits. The weight of the toothpaste tube was determined before and after use. After brushing, the toothbrush and any associated expectorate and rinses, combined with any toothpaste spilled during the brushing procedures, were collected. The amounts of fluoride retained on the toothbrush and in the associated expectorate and rinses were measured. RESULTS: Over 90% of the Dutch children used a special toddlers' toothpaste with < or =500 ppm F. Eleven per cent of the younger (<2.5 years) Dutch children and 22% of the older children rinsed after brushing. Of the Irish children approximately 52% used a children's toothpaste containing around 500 ppm F. Of the younger Irish children 31% spat without rinsing, while another 31% rinsed during or after brushing. For the older Irish children, these percentages were 14 and 70%, respectively. On average, 22% of the fluoride dispensed on the toothbrush was retained on the brush after brushing irrespective of the rinsing and spitting behaviour of the children. The maximum ingestible amount of fluoride from toothpaste assuming no rinsing or spitting was calculated. CONCLUSIONS: Fluoride ingestion from toothpaste is significantly reduced by rinsing and/or spitting during toothbrushing. Recommendations that younger children use small amounts of toothpaste (< 0.5 g) and that children using toothpaste with > or = 1000 ppm F rinse their mouths after brushing continue to be valid.
Cor van Loveren; Clare E Ketley; Judith A Cochran; Ralph M Duckworth; Denis M O'Mullane
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Community dentistry and oral epidemiology     Volume:  32 Suppl 1     ISSN:  0301-5661     ISO Abbreviation:  Community Dent Oral Epidemiol     Publication Date:  2004 Apr 
Date Detail:
Created Date:  2004-03-12     Completed Date:  2004-04-27     Revised Date:  2009-01-29    
Medline Journal Info:
Nlm Unique ID:  0410263     Medline TA:  Community Dent Oral Epidemiol     Country:  Denmark    
Other Details:
Languages:  eng     Pagination:  54-61     Citation Subset:  D; IM    
Academic Centre for Dentistry Amsterdam, Department of Cariology and Endodontology, Amsterdam, the Netherlands.
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MeSH Terms
Cariostatic Agents / analysis*
Child, Preschool
Fluorides / analysis*
Linear Models
Saliva / chemistry
Toothbrushing / methods*
Toothpaste / chemistry*
Reg. No./Substance:
0/Cariostatic Agents; 0/Fluorides; 0/Mouthwashes; 0/Toothpaste

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

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