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Two mechanisms of oral malodor inhibition by zinc ions

Overview of attention for article published in Journal of Applied Oral Science, January 2018
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Title
Two mechanisms of oral malodor inhibition by zinc ions
Published in
Journal of Applied Oral Science, January 2018
DOI 10.1590/1678-7757-2017-0161
Pubmed ID
Authors

Nao Suzuki, Yoshio Nakano, Takeshi Watanabe, Masahiro Yoneda, Takao Hirofuji, Takashi Hanioka

Abstract

The aim of this study was to reveal the mechanisms by which zinc ions inhibit oral malodor. The direct binding of zinc ions to gaseous hydrogen sulfide (H2S) was assessed in comparison with other metal ions. Nine metal chlorides and six metal acetates were examined. To understand the strength of H2S volatilization inhibition, the minimum concentration needed to inhibit H2S volatilization was determined using serial dilution methods. Subsequently, the inhibitory activities of zinc ions on the growth of six oral bacterial strains related to volatile sulfur compound (VSC) production and three strains not related to VSC production were evaluated. Aqueous solutions of ZnCl2, CdCl2, CuCl2, (CH3COO)2Zn, (CH3COO)2Cd, (CH3COO)2Cu, and CH3COOAg inhibited H2S volatilization almost entirely. The strengths of H2S volatilization inhibition were in the order Ag+ > Cd2+ > Cu2+ > Zn2+. The effect of zinc ions on the growth of oral bacteria was strain-dependent. Fusobacterium nucleatum ATCC 25586 was the most sensitive, as it was suppressed by medium containing 0.001% zinc ions. Zinc ions have an inhibitory effect on oral malodor involving the two mechanisms of direct binding with gaseous H2S and suppressing the growth of VSC-producing oral bacteria.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 42 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 42 100%

Demographic breakdown

Readers by professional status Count As %
Researcher 4 10%
Student > Master 3 7%
Student > Doctoral Student 3 7%
Student > Bachelor 2 5%
Student > Ph. D. Student 2 5%
Other 5 12%
Unknown 23 55%
Readers by discipline Count As %
Medicine and Dentistry 7 17%
Biochemistry, Genetics and Molecular Biology 3 7%
Unspecified 1 2%
Environmental Science 1 2%
Chemical Engineering 1 2%
Other 7 17%
Unknown 22 52%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 25 January 2018.
All research outputs
#20,663,600
of 25,382,440 outputs
Outputs from Journal of Applied Oral Science
#304
of 596 outputs
Outputs of similar age
#345,012
of 451,277 outputs
Outputs of similar age from Journal of Applied Oral Science
#4
of 8 outputs
Altmetric has tracked 25,382,440 research outputs across all sources so far. This one is in the 10th percentile – i.e., 10% of other outputs scored the same or lower than it.
So far Altmetric has tracked 596 research outputs from this source. They receive a mean Attention Score of 3.4. This one is in the 16th percentile – i.e., 16% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 451,277 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 13th percentile – i.e., 13% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 8 others from the same source and published within six weeks on either side of this one. This one has scored higher than 4 of them.