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Effect of toothpicks with and without fluoride on De- and remineralization of enamel and dentine in situ.

Artikel i vetenskaplig tidskrift
Författare Hossein Kashani
Dowen Birkhed
J Arends
J Ruben
L G Petersson
H Odelius
Publicerad i Caries research
Volym 32
Nummer/häfte 6
Sidor 422-7
ISSN 0008-6568
Publiceringsår 1998
Publicerad vid Odontologiska institutionen
Sidor 422-7
Språk en
Länkar www.ncbi.nlm.nih.gov/entrez/query.f...
Ämnesord Aged, Analysis of Variance, Cariostatic Agents, administration & dosage, therapeutic use, Cross-Over Studies, Dental Devices, Home Care, Dental Enamel, drug effects, Dentin, drug effects, Denture, Complete, Upper, Female, Humans, Male, Microradiography, Middle Aged, Minerals, analysis, Sodium Fluoride, administration & dosage, therapeutic use, Spectrometry, Mass, Secondary Ion, Tooth Demineralization, drug therapy, Tooth Remineralization
Ämneskategorier Cariologi

Sammanfattning

The aim of this investigation was to study the effect of the interproximal use of fluoride (F)-impregnated and non-impregnated birch toothpicks on the degree of de- and remineralization of enamel and dentine in situ. Ten volunteers with complete dentures in the upper jaw participated. Each subject had four specimens: (1) sound enamel, (2) demineralized enamel, (3) sound dentine and (4) demineralized dentine; placed pairwise at two approximal sites (15/16 and 25/26) of the maxillary prosthesis. The study involved three test periods (A, B and C), each lasting 4 weeks. In A, the subjects used F toothpicks (impregnated in 4% NaF) and, in B, nonimpregnated toothpicks 3 times daily. During period C, no toothpicks were used. Dentifrice or other F-containing products were not allowed during the 4-week periods. Transversal microradiography was used to determine lesion depth (ld) and mineral loss (DeltaZ). The results revealed that all the sound samples lost mineral during the three experimental periods; DeltaZ for both enamel and dentine was less for A and B compared with C (p<0.01) and less for A compared with B and C for dentine (p<0.05, p<0.01). The demineralized samples also lost mineral, apart from dentine, during periods A and B, i.e. when F-impregnated and non-impregnated toothpicks were used; ld for enamel and DeltaZ for dentine were less for A compared with C (p<0.05). Four weeks' use of toothpicks, especially F-impregnated toothpicks, thus reduces the demineralization of enamel and dentine at approximal sites in situ.

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