As a expert dentist and scientific researcher in the field of teeth whitening I have to say that I found many wrong, unscientific data on the web regarding dental bleaching. Sure every body wants a pearl white teeth and if this is possible without going to the dentist and pay +500 $ it would be great, So every body is running after finding teeth whiteners at home and Sure hydrogen peroxide is the first ready one on the list so I will discuss some facts here and also pointing to some wrong information that I found on the internet.
Hydrogen peroxide chemical composition:
Hydrogen Peroxide Teeth Whitening
Hp is similar to water in chemical blend the only incompatibility is an excess oxygen atom (H2O2). This material is capable of releasing free oxygen if exposed to light so it comes in dark bottles. So it carefully as a strong oxidative and corrosive material in high concentrations. Also hydrogen peroxide happens naturally in the human body, Fresh fruits and even rain drops but I a very low concentrations.
Teeth bleaching in general:
Stains from food, drink even some drugs collect on the enamel covering of he tooth or even sometimes lanch inside the inner layers of the tooth which cause the tooth to become darker in color. So the role of tooth whitener is to issue free oxygen that will break the large stain particle to furnish a smaller particles that is regularly lighter in color. expert and at home teeth whitening products ready today are regularly based on hydrogen peroxide or carbamide peroxide, Both can furnish free oxygen but hydrogen peroxide furnish much more oxygen.
So theoretically teeth whiteners are acids and acids can dissolve calcium from teeth enamel which may cause porosity and roughness and less caries resistance But we have to say that after a thousands of researches that with the present Ada or Fda beloved teeth whitening products the harm is minimal and regularly auto repaired to general with no harmful succeed persist.
We also have to say that if an unapproved material used or beloved material used in an improper way the technique can be harmful and cause low caries resistance, covering roughness and even a darker stains later as a cause of covering roughness.
Facts about using commercial hydrogen peroxide teeth whitening:
In some conditions dentists prescribes 3% hydrogen peroxide mouth wash for its disinfectant and anti microbial properties like in the cases the inflammation happens around the partially impacted wisdom also we use it with some gum diseases. Concentrations above 5% can be harmful and should not be used internally observation also the ready 35% Hp are for commercial use and should not come in sense with human body as it is very dangerous. Also many authors stated that prolonged use of Hp even at 3% attentiveness can be harmful and should be avoided. (i regularly designate hydrogen peroxide for only 3-5 days max ) Hydrogen peroxide can be used to make your teeth looks whiter but the concentrations beloved as a mouth wash is very weak also the prolonged use is harmful so within the safe limits the succeed will be minimal and most patients won't be satisfied by the results. Teeth whitening dentist can use safely concentrations up to 35% hydrogen peroxide why?? Because the solution here is very sticky gel that will still in place with no flow and the dentist will isolate the field so the gel won't come in sense with any soft tissue also the expert bleaching gel is releasing oxygen so slow to give deeper penetration to the tooth also less harm but the peroxide solutions that regularly used for teeth bleaching homemade recipes are in the liquid form also it releases oxygen in the first minutes so gives less penetration and more harm to the covering of the tooth. Using bleaching agents on carious teeth or exposed roots can lead to severe sensitivity or even tooth nerve death which will wish root canal medicine which can be very expensive. So you should see your dentist first to fill any carious teeth before starting any kind of teeth whitening.
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