Effects of different amounts of a low fluoride toothpaste on primary enamel lesion progression

a preliminary study using in vitro pH-cycling system.

A. Itthagarun, P. Thaveesangpanich, N. M. King, Franklin Chi Meng Tay, J. S. Wefel

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

AIMS: To evaluate and compare the efficacy of pea and half-pea portions of child formula fluoride (500 ppm) toothpaste on artificially created enamel lesions in primary teeth. METHODS: Sound primary incisors were painted with nail varnish, leaving a 1 mm wide window and then placed in a demineralising solution for 96 h to produce artificial carious lesions 60-100 microm deep. The teeth were longitudinally sectioned (100 microm thick) and divided into 3 groups. Group A: treated with a pea-sized portion of a non-fluoride containing toothpaste (1:3, toothpaste: deionized water), while Groups B and C were treated with half-pea-sized and pea-sized portions of a 500 ppm fluoride containing toothpaste, respectively. The pH-cycling model was utilized for 7 days. RESULTS: Groups A and B lesions increased in depth by 60% while those in Group C increased by 19%. The mineral content of the surface zone decreased significantly in Groups A and B but not in Group C. CONCLUSION: Reduction of the amount of fluoride toothpaste to less than a pea-size in order to minimize the risk of fluorosis should be undertaken with caution because it may compromise the cariostatic effects of the toothpaste.

Original languageEnglish (US)
Pages (from-to)69-73
Number of pages5
JournalEuropean archives of paediatric dentistry : official journal of the European Academy of Paediatric Dentistry
Volume8
Issue number1
DOIs
StatePublished - Jan 1 2007
Externally publishedYes

Fingerprint

Toothpastes
Peas
Dental Enamel
Fluorides
Cariostatic Agents
Paint
Deciduous Tooth
Incisor
Nails
Minerals
In Vitro Techniques
Tooth
Water

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health
  • Dentistry (miscellaneous)

Cite this

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title = "Effects of different amounts of a low fluoride toothpaste on primary enamel lesion progression: a preliminary study using in vitro pH-cycling system.",
abstract = "AIMS: To evaluate and compare the efficacy of pea and half-pea portions of child formula fluoride (500 ppm) toothpaste on artificially created enamel lesions in primary teeth. METHODS: Sound primary incisors were painted with nail varnish, leaving a 1 mm wide window and then placed in a demineralising solution for 96 h to produce artificial carious lesions 60-100 microm deep. The teeth were longitudinally sectioned (100 microm thick) and divided into 3 groups. Group A: treated with a pea-sized portion of a non-fluoride containing toothpaste (1:3, toothpaste: deionized water), while Groups B and C were treated with half-pea-sized and pea-sized portions of a 500 ppm fluoride containing toothpaste, respectively. The pH-cycling model was utilized for 7 days. RESULTS: Groups A and B lesions increased in depth by 60{\%} while those in Group C increased by 19{\%}. The mineral content of the surface zone decreased significantly in Groups A and B but not in Group C. CONCLUSION: Reduction of the amount of fluoride toothpaste to less than a pea-size in order to minimize the risk of fluorosis should be undertaken with caution because it may compromise the cariostatic effects of the toothpaste.",
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AU - King, N. M.

AU - Tay, Franklin Chi Meng

AU - Wefel, J. S.

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N2 - AIMS: To evaluate and compare the efficacy of pea and half-pea portions of child formula fluoride (500 ppm) toothpaste on artificially created enamel lesions in primary teeth. METHODS: Sound primary incisors were painted with nail varnish, leaving a 1 mm wide window and then placed in a demineralising solution for 96 h to produce artificial carious lesions 60-100 microm deep. The teeth were longitudinally sectioned (100 microm thick) and divided into 3 groups. Group A: treated with a pea-sized portion of a non-fluoride containing toothpaste (1:3, toothpaste: deionized water), while Groups B and C were treated with half-pea-sized and pea-sized portions of a 500 ppm fluoride containing toothpaste, respectively. The pH-cycling model was utilized for 7 days. RESULTS: Groups A and B lesions increased in depth by 60% while those in Group C increased by 19%. The mineral content of the surface zone decreased significantly in Groups A and B but not in Group C. CONCLUSION: Reduction of the amount of fluoride toothpaste to less than a pea-size in order to minimize the risk of fluorosis should be undertaken with caution because it may compromise the cariostatic effects of the toothpaste.

AB - AIMS: To evaluate and compare the efficacy of pea and half-pea portions of child formula fluoride (500 ppm) toothpaste on artificially created enamel lesions in primary teeth. METHODS: Sound primary incisors were painted with nail varnish, leaving a 1 mm wide window and then placed in a demineralising solution for 96 h to produce artificial carious lesions 60-100 microm deep. The teeth were longitudinally sectioned (100 microm thick) and divided into 3 groups. Group A: treated with a pea-sized portion of a non-fluoride containing toothpaste (1:3, toothpaste: deionized water), while Groups B and C were treated with half-pea-sized and pea-sized portions of a 500 ppm fluoride containing toothpaste, respectively. The pH-cycling model was utilized for 7 days. RESULTS: Groups A and B lesions increased in depth by 60% while those in Group C increased by 19%. The mineral content of the surface zone decreased significantly in Groups A and B but not in Group C. CONCLUSION: Reduction of the amount of fluoride toothpaste to less than a pea-size in order to minimize the risk of fluorosis should be undertaken with caution because it may compromise the cariostatic effects of the toothpaste.

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