Re: [DIYbio] Re: periodontosis

On the sodium hypochlorite article, that was for dentures; I personally
wouldn't like to put chlorine bleach on my teeth, although I'll grant
you that 0.05% is pretty weak.

On 06/09/12 04:39, Jonathan Cline wrote:
>
> Recently in the general news is this dental-related headline which can be
> backtracked to the university papers below.
>
> http://www.bbc.co.uk/news/health-19435442Coconut oil could combat tooth
> decay
> As usual, journalists fail to link directly to the papers summarized, so
> some searching is required. Also not to start on a rant neo-hippie about
> corporate-institutionalized-medicine america disregarding simple (perhaps
> non-patentable) solutions for complex treatments but I would bet a sugar
> cube that dentists prefer cancer-promoting and gum-deteriorating fluoride
> toothpastes & treatments to those basics mentioned below. BTW some people
> enjoy brushing their teeth with Dr Bronners liquid soap which is a
> coconut-oil based soap ( www.drbronner.com )
>
> First article:
>
> -- quote --
>
> Efficacy of sodium hypochlorite and coconut soap used as disinfecting
> agents in the reduction of denture stomatitis, *Streptococcus mutans* and *Candida
> albicans*
>
> 1. W. Barnabé1,2,
> 2. T. de Mendonça Neto1,
> 3. F. C. Pimenta3,
> 4. L. F. Pegoraro1,
> 5. J. M. Scolaro1
>
> Article first published online: 5 MAY 2004
>
> DOI: 10.1111/j.1365-2842.2004.01254.x
>
> *summary * This study evaluated the reduction of denture stomatitis and the
> antimicrobial activity of 0·05% sodium hypochlorite opposed to *Candida
> albicans* and *Streptococcus mutans* (SGM) when associated with brushing
> complete dentures with coconut soap. The mucosal characteristics were
> evaluated according to Newton's classification at baseline, after cleansing
> the dentures with coconut soap for 15 days in group 1 (nine patients). In
> the other group (19 patients) the analysis were made before and after
> cleansing the dentures with coconut soap and with disinfection in a soak
> solution of 0·05% sodium hypochlorite for 10 min during 15 days.
> Microbiological tests were used to isolate *C. albicans* and SGM.
> Mann–Whitney and Wilcoxon tests were used to compare the mucosal
> characteristics and Fisher test and McNemar test to compare *C. albicans*and SGM levels. Statistical analysis at the 95% confidence level (
> *P* < 0·05) showed that: (i) the association of coconut soap and 0·05%
> sodium hypochlorite significantly reduced clinical signs of denture
> stomatitis, (ii) *C. albicans* did not reduce in counts, (iii) SGM were
> reduced but not significantly and (iv) the association of coconut soap and
> 0·5% sodium hypochlorite was effective in controlling denture biofilm
>
> -- end quote --
>
>
> Second article:
> -- quote --
>
> LWT - Food Science and Technology<http://www.sciencedirect.com/science/journal/00236438>
>
> Volume 44, Issue 6<http://www.sciencedirect.com/science/journal/00236438/44/6>,
> July 2011, Pages 1525–1532
>
> The effect of untreated and enzyme-treated commercial dairy powders on the
> growth and adhesion of *Streptococcus mutans*
>
> - R.M. Halpin<http://www.sciencedirect.com/science/article/pii/S0023643811000521#>
> a<http://www.sciencedirect.com/science/article/pii/S0023643811000521#aff1>,
> [image: Corresponding author contact information]<http://www.sciencedirect.com/science/article/pii/S0023643811000521#cor1>,
> [image: E-mail the corresponding author] <rachel.halpin@ucd.ie>,
> - D.B. Brady<http://www.sciencedirect.com/science/article/pii/S0023643811000521#>
> b<http://www.sciencedirect.com/science/article/pii/S0023643811000521#aff2>,
> 1<http://www.sciencedirect.com/science/article/pii/S0023643811000521#fn1>,
>
> - E.D. O'Riordan<http://www.sciencedirect.com/science/article/pii/S0023643811000521#>
> a<http://www.sciencedirect.com/science/article/pii/S0023643811000521#aff1>,
>
> - M. O'Sullivan<http://www.sciencedirect.com/science/article/pii/S0023643811000521#>
> a<http://www.sciencedirect.com/science/article/pii/S0023643811000521#aff1>
>
>
> - a School of Agriculture, Food Science and Veterinary Medicine,
> University College Dublin, Ireland
> - b School of Biomolecular and Biomedical Science, University College
> Dublin, Ireland
>
> http://dx.doi.org/10.1016/j.lwt.2011.01.025
>
> Abstract
>
> Dental caries is a common bacterial infection, but the progression of this
> disease can be delayed by preventing initial attachment of cariogenic
> bacteria such as *Streptococcus mutans* to tooth surfaces. This study
> firstly compares the effect of untreated (UT) and enzyme-treated (ET) dairy
> powders on the adherence of *S. mutans* to hydroxylapatite (HA), an
> analogue of tooth enamel. A fluorescence-based method was used to quantify
> adherence of *S. mutans* to HA both in the presence (S-HA) and absence
> (PBS-HA) of saliva. Secondly, binding of proteins present in the test
> materials to HA was quantified using bicinchonic acid assays and SDS-PAGE.
> In addition, the effect of UT and ET dairy powders on growth of *S. mutans*was examined using an optical-density based assay. UT acid whey protein
> concentrate (WPC) 80, sweet WPC80, buttermilk powder (BMP) and cream powder
> (CP) significantly (*P* < 0.05) inhibited adhesion of *S. mutans* at
> ≥31.25 μg mL−1 in the presence and absence of saliva. ET dairy powders were
> less effective inhibitors of adhesion, but ET sweet WPC80 significantly (*P* < 0.05)
> inhibited growth of *S. mutans* at ≥0.6 mg mL−1. Therefore, due to their
> adherence- and growth-inhibitory properties, dairy powders may be
> beneficial in the treatment of dental caries.
>
> -- end quote --
>
>
> Of course if you're using milk powders make sure to avoid imports from asia
> with the kidney-stone-causing Chinese melamine additives. Every now and
> then, some supplier is still busted for reselling tainted product.
>
> What's the enzyme? Well the article is pay-walled, so someone with access
> can perhaps summarize.
>
>
> ## Jonathan Cline
> ## jcline@ieee.org
> ## Mobile: +1-805-617-0223
> ########################
>
>

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