Effects of Regular and Low-fluoride Dentifrices on Plaque Fluoride

Pessan, Juliano Pelim; Alves, Karina Mirela Ribeiro Pinto; Ramires, Irene; Taga, Mikio; Sampaio, F. C.; Whitford, Gary M.; Buzalaf, M. A. R.

doi:10.1177/0022034510375827

Cited by 24 publications

(19 citation statements)

References 14 publications

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“…However, in the study carried out in 2010, 24 the authors found that the fluoride concentrations in saliva and in dental biofilm remained elevated at 12 h after the last use of a fluoride dentifrice. A possible explanation for these contradictory results could be the different fluoride concentrations in the water supply of the city where the studies were conducted.…”

Section: Discussionmentioning

confidence: 96%

“…30 However, two studies carried out by the same authors and conducted in an area with a fluoridated water supply yielded contradictory results. 22,24 The results of the study conducted in 2006…”

Section: Discussionmentioning

confidence: 99%

“…15,16,17,18,19 Numerous studies have determined fluoride concentrations in saliva and in dental biofilm over long periods in areas with fluoridated water supply; however, they yielded contradictory results. 13,20,21,22,23,24 Since the literature remains inconclusive in regard to this aspect, the aim of this study was to determine the fluoride retention in saliva and in dental biofilm after different home-use fluoride treatments in volunteers living in an area with a fluoridated water supply.…”

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confidence: 99%

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Fluoride retention in saliva and in dental biofilm after different home-use fluoride treatments

2014

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This single-blind, randomized, crossover study aimed at assessing the long-term fluoride concentrations in saliva and in dental biofilm after different home-use fluoride treatments. The study volunteers (n = 38) were residents of an area with fluoridated drinking water. They were administered four treatments, each of which lasted for one week: twice-daily placebo dentifrice, twice-daily fluoride dentifrice, twice-daily fluoride dentifrice and once-daily fluoride mouthrinse, and thrice-daily fluoride dentifrice. At the end of each treatment period, samples of unstimulated saliva and dental biofilm were collected 8 h after the last oral hygiene procedure. Fluoride concentrations in saliva and dental biofilm were analyzed using a specific electrode. The fluoride concentrations in saliva and dental biofilm 8 h after the last use of fluoride products did not differ among treatments. The results of this study suggest that treatments with home-use fluoride products have no long-term effect on fluoride concentrations in saliva and in dental biofilm of residents of an area with a fluoridated water supply.

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Section: Discussionmentioning

confidence: 96%

Section: Discussionmentioning

confidence: 99%

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confidence: 99%

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Fluoride retention in saliva and in dental biofilm after different home-use fluoride treatments

2014

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“…In the case of the normally distributed data (plaque mass, salivary flow) the data are presented as mean and standard error. However, the fluoride data, with the exception of the salivary particulate concentrations, required logarithmic transformation [Zero et al, 1992a;Vogel et al, 2006aVogel et al, , b, 2008aPessan, 2010] in order to satisfy the requirement of variance homogenicity or normality required for the use of parametric tests. Consistent with the log transformation, the fluoride data are presented as the geometric mean, i.e.…”

Section: Statistical Analysis and Data Presentationmentioning

confidence: 99%

Oral Fluoride Levels 1 h after Use of a Sodium Fluoride Rinse: Effect of Sodium Lauryl Sulfate

et al. 2015

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Increasing the concentration of free fluoride in oral fluids is an important goal in the use of topical fluoride agents. Although sodium lauryl sulfate (SLS) is a common dentifrice ingredient, the influence of this ion on plaque fluid and salivary fluid fluoride has not been examined. The purpose of this study was to investigate the effect of SLS on these parameters and to examine the effect of this ion on total (or whole) plaque fluoride, an important source of plaque fluid fluoride after a sufficient interval following fluoride administration, and on total salivary fluoride, a parameter often used as a surrogate measure of salivary fluid fluoride. Ten subjects accumulated plaque for 48 h before rinsing with a 12 mmol/l NaF (228 µg/g F) rinse containing or not containing 0.5% (w/w) SLS. SLS had no statistically significant effect on total plaque and total saliva fluoride but significantly increased salivary fluid and plaque fluid fluoride (by 147 and 205%, respectively). These results suggest that the nonfluoride components of topical agents can be manipulated to improve the fluoride release characteristics from oral fluoride reservoirs and that statistically significant change may be observed in plaque fluid and salivary fluid fluoride concentrations that may not be observed in total plaque and total saliva fluoride concentrations.

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“…Regarding the use of these dentifrices in areas with higher fluoride concentrations, it could be expected from the data regarding plaque fluoride uptake that no differences in caries progression rates would be found among the tested dentifrices. This is due to the fact that the high fluoride concentrations present in the drinking water would make the differences among the fluoride concentrations and pH of the dentifrices less important [Pessan et al, 2008[Pessan et al, , 2010.…”

Section: Discussionmentioning

confidence: 99%

Low-Fluoride Acidic Dentifrice: A Randomized Clinical Trial in a Fluoridated Area

Vilhena¹,

Olympio²,

Lauris

et al. 2010

Caries Res

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Background: Low-fluoride dentifrices have been suggested as alternatives to reduce dental fluorosis risk, but there is no consensus regarding their clinical effectiveness, which has been suggested to be increased when their pH is acidic. Aims: This single-blind randomized clinical trial evaluated the caries increment during the use of a low-fluoride acidic liquid dentifrice. Methods: Four-year-old schoolchildren (n = 1,402) living in a fluoridated area (0.6–0.8 ppm F) were randomly allocated to 4 groups differing according to the type of dentifrice used over a 20-month period. Group 1 (n = 345): liquid dentifrice, 1,100 ppm F, pH 4.5. Group 2 (n = 343): liquid dentifrice, 1,100 ppm F, pH 7.0. Group 3 (n = 354): liquid dentifrice, 550 ppm F, pH 4.5. Group 4 (n = 360): toothpaste, 1,100 ppm F, pH 7.0. At baseline and after 20 months, clinical examinations were conducted (dmfs index) and caries increment was calculated. Data were analysed by GLM procedure using classrooms (cluster) as unit of analysis (p < 0.05). Results: The mean ± SD (95% CI) net increments found were as follows. Group 1: 2.06 ± 2.38 (1.8–2.3); group 2: 2.08 ± 2.87 (1.7–2.4); group 3: 2.05 ± 2.79 (1.7–2.4), and group 4: 2.08 ± 2.34 (1.8–2.4). No significant differences were detected among the groups. Conclusion: In a population with high caries risk living in a fluoridated area, as the selected sample, and according to the present protocol, the low-fluoride acidic liquid dentifrice seems to lead to similar caries progression rates as conventional 1,100 ppm F toothpaste.

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Effects of Regular and Low-fluoride Dentifrices on Plaque Fluoride

Cited by 24 publications

References 14 publications

Fluoride retention in saliva and in dental biofilm after different home-use fluoride treatments

Fluoride retention in saliva and in dental biofilm after different home-use fluoride treatments

Oral Fluoride Levels 1 h after Use of a Sodium Fluoride Rinse: Effect of Sodium Lauryl Sulfate

Low-Fluoride Acidic Dentifrice: A Randomized Clinical Trial in a Fluoridated Area

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