Tom
Rajagopal
On Sep 24, 2011 1:23 AM, "Thomas Stowe" <stowe....@gmail.com> wrote:
>
> Isn't this more than a bit TMI and far off topic for the DIYBio list?
>
No way... This is what its all about, as long as we promote safety and responsibility.
On Sep 25, 2011 8:25 AM, "Mega" <masters...@gmail.com> wrote:
>
> I've no experience with that, but ever heard of Xylitol?
>
There's a dentist in town here that started a xylitol based business... The gum is good, but I'm not a.regular user.
That phage is probably lysogenic (haven't read article mind you), but you could isolate it, sequence it, axe the dormancy genes, and you'd have a real killer.
Aside: the main species behind acidic tooth decay is S.mutans. Years ago, a guy demonstrated replacing S.mutans with a non-acid producing cousin that had been engineered to produce a specific toxin (probably a bacteriocin). Results in human patients looked great, then that was it: I never heard of it again. Of course, the study was done under the auspices of a dental college, so I like to speculate that it was buried by the orthodontic illuminati.
Aside: the main species behind acidic tooth decay is S.mutans.
Awesome! I love iGEM. <3
I tried washing with 3% hydrogen peroxide diluted in some water, maybe 1:3 dilution. Once. Whatever it said on the back of the bottle.
It left the WORST taste I have ever had in my mouth, and I could not get the taste out. But it was a fun science experiment.
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Sending these folks a spit/gum swab sample might cost you, but it
could also give you a wealth of information:
http://www.secondgenome.com/our-services/order/
Patrik, are there phyloChip type services in Europe?
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Nathan McCorkle
Rochester Institute of Technology
College of Science, Biotechnology/Bioinformatics
https://groups.google.com/group/diybio/browse_thread/thread/d85808c3a1c2aa61/61f29639c3020026
> - I was allready tested what bacterias I have:
> Treponema denticola
> Prophyromonas gingivatis
> Tannerella forsynthia
> ... know as the red complex
This doesn't necessarily help us that much in combating the infection
though...
antibiotic/antimicrobial panel? look for something that kills them all...
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Xylitol maybe a good try, being also in chewing gum form (cowgummi) makes it seem less like treatment!
You might also consider another ayurvedic treatment called 'Dant manjan' by the company 'dabur', it's a red powder you put on your toothbrush and add a drop of water, instead of tooth paste
http://www.dabur.com/Products-Health%20Care-Red%20Tooth%20Powder
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At fist let me say, thats real cool and interessting stuff you are
doing!
Second: sorry for my bad english, I'm german.
I have a big problem : periodontosis
Dentists are telling me, there is nothing they can do, and my thees
have to been dranwn out. (!!)
Thats the same they did to my grandma in the same age - so no
progress???
Why there is now way to stop or better kill the bacterias sitting in
my jawbone?
I have read a bit about "phags" (correct english translation?) , but
found verry less infos about this god idea... killing the bacterias
with a virus.
Any Suggestions?
I'm not a biologist! Searching for (german speaking would be verry
helpful) contacts , ideas, help
Gobi
The xylitol will only be effective if you hold it in your mouth and do not swallow
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There's also This stuff (a Chlorhexidine Gluconate Oral Rinse) that my oral hygienist has me rinse my mouth out with before she starts scratching away. It's supposed to kill off 90-something percent of the bugs in your mouth and is prescribed for people with advanced periodontal disease I believe.
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
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Second article:
Volume 44, Issue 6, July 2011, Pages 1525–1532
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.
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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.
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gobi,I would be trying all of the above. Buy some Dr. Bronners peppermint soap, buy that Dabur Dantmanjan, the G32, the xylitol... keep up the H2O2, I'd even add rinsing your mouth with high-proof drinking ethanol.You probably don't want to do more than 1 or 2 of those activities per day, but if you cycled through different treatments weekly... I think that would work. Maybe brush each day with Dr. Bronners, and every other day cycle through the list of alternate auxiliary treatments. This will hit the bacterial load with a variation of antimicrobials, but hopefully not damage your own mouth tissue.
Is there a way to replenish any good bacteria in the mouth that may be killed by the above treatments?
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@Jonathan: Wow, thanks a lot for this enquiry!
Please keep in mind, i'm not a scientist... so what would you suggest to try? Rinsing with coconut oil? What means "enzyme-modified coconut oil", works it only modified?
Did i get it right: brushing with coconut soap in solution with sodium hypochlorite , or would work hydrogen peroxide as well?
research for alternate solutions. And by the way since you admitted you're a smoker, then you obviously do not take your health very seriously, so focus your effort on that, duh. (Don't bother mentioning anything about "trying to quit" or "working on it", it's a pretty black & white issue: a user or an abstainer)