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Medical Forum / General / Dentistry / December 2005diet soda vs sugared soda
Hello. I'm wondering if anyone here can clear this up as there seems to be some controversy over the subject. But what is it within regular 'Cola' drinks that causes the tooth decay Is it:- 1) The sugar not the acid. The sugar sticks to the teeth, then bacteria living within the plaque on the teeth metabolise it steadily producing an acid, like a factory, around the tooth that then erodes the enamel. 2) Or is it the acid within the drink in the form of phosphoric and carbolic (I think the CO2 reacts with the water to form this acid) I know that Cola drinks are pretty acidic with a Ph of around 4. Some claim it is this rather than the sugar that causes the bulk of the damage. Others maintain that the acid within the drinks don't stick to the teeth and are quickly swallowed and any lingering acidity is quickly neutralised by saliva. Unlike the acid produced by the bacteria in plaque as a by-product of metabolising sugar. This acid is highly localised around the teeth and is constantly being generated until all the sugar has been used. Which scenario is correct, if any, and if both play a part how are they rated i.e is it the phosphoric acid that does 90% and the sugar-bacteria-acid pathway that does the remaining 10% etc? Thanks. I believe the sugar does most of the damage, but the effect of the acid doesn't help either! I'm unsure of any specific ratings. Regarding diet soda, if it doesn't contain anything that can be metabolised to acid by bacteria, it will still be able to cause erosion of the enamel due to the acid, but not true decay. The specific effect also depend on the manner of drinking. A person who likes to swish his soda will do more damage to his teeth. George Sugar is metabolized into an acid in the final steps of the biochemical metabolism by bacteria. Sugar is also converted into sticky glyco-proteins which stick to the side to the tooth very well. Now you saturate that glyco-protein with potent acid and the decay occurs even faster than it would in the presence of sugar alone. Do you know why aqua regia is more potent than either nitric acid or hydrochloric acid? Do you know that soda have 3-5 acids mixed in each one?  Signature/ Amatus / >I believe the sugar does most of the damage, but the effect of the acid > doesn't help either! I'm unsure of any specific ratings. Regarding diet [quoted text clipped - 5 lines] > > George Hmmm, what is the difference between decay and erosion? I´d say, the _acid_ contained in the soda/cola will contribute to erosion (dissolution of enamel from whole tooth surfaces) while _sugar_ will be metabolized locally at a small part of a tooth surface by plague bacteria, which thereby slowly create a hole (decay). These (certain types of) bacteria themselves have to be able to survive in the acidic environment they create. Peter ----------------------------------- Amatus Cremona schrieb: > Sugar is metabolized into an acid in the final steps of the biochemical > metabolism by bacteria. Sugar is also converted into sticky glyco-proteins [quoted text clipped - 19 lines] > > > > George Dental decay is a type of erosion Signature/ Amatus / > > Hmmm, what is the difference between decay and erosion? [quoted text clipped - 36 lines] >> > >> > George Hi Peter, loss of tooth tissue can generally be divided into carious and noncarious tooth defects. Caries is tooth decay, which needs bacteria to colonise the teeth and produce acid, hence it is actually a bacterial disease. Plaque-free teeth cannot decay. Noncarious defects include everything else, commonly abrasions, abfractions, fractures, erosions etc. Erosion is specifically the loss of hard tooth tissue due to chemomechanical action that does not involve bacteria. It can be caused by acid reflux, taking acidic medicines long-term and drinking loads of acidic drinks. Erosions are generally not as invasive as decay; if the cause is removed then the process will stop, unlike decay, where the infected dental tissues must be manually removed in order for the destructive process to halt. Erosions can cause both cosmetic and functional problems (sensitivity etc). The teeth affected will depend on the cause of the erosion, eg acid reflux will usually affect lingual and palatal surfaces, sucking lemons will affect the facial surface of anterior teeth etc. I second Amatus in that a mixture of acid and sugar working together is a killer combination. > Hi Peter, loss of tooth tissue can generally be divided into carious > and noncarious tooth defects. [quoted text clipped - 16 lines] > I second Amatus in that a mixture of acid and sugar working together is > a killer combination. Thanks--more complete explanation than mine! Steve SignatureMark & Steven Bornfeld DDS http://www.dentaltwins.com Brooklyn, NY 718-258-5001 >I second Amatus in that a mixture of acid and sugar working together is >a killer combination. But I say a nice snifter of single malt is much better. -- Whamatus Take out the G'RBAGE wubbabubbazG@RBAGEyahoo.com > Hmmm, what is the difference between decay and erosion? As the term is generally applied, erosion is a surface phenomenon characterized by loss of tooth structure characterized by demineralization and wear. Decay is a bacterial phenomenon; it is also characterized by demineralization, but significant structural loss is due to undermining of enamel by destruction of dentin underneath. There is invasion of the dentinal tubules by the bacteria, and the demineralization occurs behind the advancing front of bacterial invasion. Because the primary etiology is different, the lesions will look different and will present in different patterns and locations. Steve > I´d say, the _acid_ contained in the soda/cola will contribute to > erosion (dissolution of enamel from whole tooth surfaces) while _sugar_ [quoted text clipped - 32 lines] >>> >>>George SignatureMark & Steven Bornfeld DDS http://www.dentaltwins.com Brooklyn, NY 718-258-5001 >while _sugar_ >will be metabolized locally at a small part of a tooth surface by plague >bacteria, Would that be Bubonic or Pneumonic ? -- Whamatus Take out the G'RBAGE wubbabubbazG@RBAGEyahoo.com Whamatus_B schrieb: > >while _sugar_ > >will be metabolized locally at a small part of a tooth surface by plague > >bacteria, > > Would that be Bubonic or Pneumonic ? Anaerobic (under cover) ? --- History of fluorine, fluoride, and fluoridation: http://www.fluoride-history.de/index.htm --- > I believe the sugar does most of the damage, but the effect of the acid > doesn't help either! I'm unsure of any specific ratings. Regarding diet [quoted text clipped - 5 lines] > > George Same as those pub boys who take two Guiness all night long but swish each mouthfull 'round in their mouths for minutes on end... SP SignatureTake out the TRAASH to reply See the following: http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstra ct&list_uids=15366295&query_hl=6&itool=pubmed_DocSum > Hello. > I'm wondering if anyone here can clear this up as there seems to be some [quoted text clipped - 18 lines] > sugar-bacteria-acid pathway that does the remaining 10% etc? > Thanks. It's too bad they don't list results and conclusion. Do you know what they ended up with? George You would have to pull the actual paper to know. I have not done so, but I did read a study sometime ago that found that A&W rootbeer was the least harmful to teeth as compared to all sorts of sodas and tea. Tea was among the worst and so were the lemon-lime type drinks. If I can pull the paper, I will let you know. > It's too bad they don't list results and conclusion. Do you know what > they ended up with? > > George Well that explains a lot. Tea + NHS = British teeth screwed for life George Just saw two of my UK patients this morning. They save their dental treatment for when they are in the USA. Says something about the NHS ? Signature/ Amatus / > Well that explains a lot. > > Tea + NHS = British teeth screwed for life > > George I have that full study scanned on my hard drive if you want to read it. Signature/ Amatus / > It's too bad they don't list results and conclusion. Do you know what > they ended up with? > > George Oh cheers mate, Can you please send it to groundtwenty@yahoo.gr , or suggest an alternative method of getting it from you if that's not convenient. George Please delete files after reading. Signature/ Amatus / > Oh cheers mate, > > Can you please send it to groundtwenty@yahoo.gr , or suggest an > alternative method of getting it from you if that's not convenient. > > George > Please delete files after reading. Won't they self-destruct after 10 seconds? :) Thanks mate, you rock! George I had to reduce the image size. I assume you can still read them ? Signature/ Amatus / > >> Please delete files after reading. [quoted text clipped - 4 lines] > > George I can read the conclusions barely. That's ok by me! George I can re-send larger files. Tell me which ones you need and how big a file your ISP will allow. Signature/ Amatus / >I can read the conclusions barely. That's ok by me! > > George It's ok, Marianne send me the article with soft drinks. Thanks anyway. George |
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