• Often called carbamide peroxide in dentistry, it is used as a source of hydrogen peroxide when dissolved in water for bleaching, disinfection and oxidation. (wikipedia.org)
  • Carbamide peroxide is also suitable as a disinfectant, e.g. for germ reduction on contact lens surfaces or as an antiseptic for mouthwashes, ear drops or for superficial wounds and ulcers. (wikipedia.org)
  • Carbamide (urea) peroxide has not been studied during breastfeeding. (drugs.com)
  • It is unlikely that carbamide peroxide found in ear drops or teeth whiteners is absorbed into the bloodstream. (drugs.com)
  • However, if any carbamide peroxide were absorbed, it would be broken down to urea and hydrogen peroxide, both of which are found normally in human milk. (drugs.com)
  • 1,2] If carbamide peroxide is used by the mother according to directions, it is not a reason to discontinue breastfeeding and no special precautions are required. (drugs.com)
  • Twenty Large 10ml Syringes of ProWhiteSmile Dental Strength 16% Carbamide Peroxide Gel. (prowhitesmile.com)
  • The most important ingredient in dental whitening gels is carbamide peroxides, a common bleaching agent in dental products . (prowhitesmile.com)
  • Teeth bleaching or teeth whitening products contain hydrogen peroxide or carbamide peroxide. (medicaltourismco.com)
  • When carbamide peroxide comes into contact with saliva, it breaks down slowly into urea and hydrogen peroxide. (medicaltourismco.com)
  • For heavier staining like those induced by tetracycline, stronger concentrations of carbamide peroxide are used, but this should be done only at the dentist's office. (medicaltourismco.com)
  • When applied for extended periods at high concentrations, oxidizing agents such as hydrogen peroxide and urea peroxide(carbamide) have proven effective for removing extrinsic and intrinsic stains as well as for brightening the overall shade and color of teeth. (ada.org)
  • The original home-bleaching protocol proposed by Haywood and Heyman1 used 10 percent carbamide peroxide, which contains the equivalent of 3 percent hydrogen peroxide (water and oxygen) and 7 percent urea (ammonia and carbon dioxide). (dentistryiq.com)
  • Although pure hydrogen peroxide penetrates the tooth more readily than carbamide peroxide, it is inherently unstable and dangerous to the patient when allowed to contact soft tissues. (dentistryiq.com)
  • Higher concentrations of carbamide peroxide increase the chances of sensitivity, and their long-term stability has not been documented. (dentistryiq.com)
  • There are many studies that demonstrate the safety of 10 percent carbamide peroxide with no adverse effects on the hardness or structural integrity of enamel. (dentistryiq.com)
  • 4,5 Laboratory assessment of the demineralization effects of 10 percent carbamide peroxide compared the effects seen with coke found that six hours of bleaching was equal to the calcium loss seen with two-and-a-half minutes of contact time with coke. (dentistryiq.com)
  • Further investigation into possible crystalline changes in enamel and dentin when higher concentrations of carbamide peroxide are used with or without light activation is required. (dentistryiq.com)
  • Studies on the long-term safety of extended use of 10 percent carbamide peroxide in nightguard bleaching reveals no root canals, no external or internal resorption, and no permanent sensitivity. (dentistryiq.com)
  • 6 These patients used 10 percent carbamide peroxide in trays every night for six months to treat tetracycline staining. (dentistryiq.com)
  • The tooth whitening agents are mostly based on the effects of carbamide peroxide, which release about 33% of their content as hydrogen peroxide (H 2 O 2 ). (justia.com)
  • In addition, carbamide peroxide releases urea, which is rapidly decomposed into carbon dioxide and ammonia. (justia.com)
  • A majority of teeth whitening products contain two active components - carbamide peroxide or hydrogen peroxide. (tadsmile.com)
  • That said, hydrogen peroxide is more aggressive as compared to carbamide peroxide. (tadsmile.com)
  • So, if you have sensitive teeth, you would rather go for a product whose active ingredient is carbamide peroxide. (tadsmile.com)
  • It has carbamide peroxide, an active ingredient for removing the earwax effectively. (being-honest.com)
  • 3 The amount of tooth whitening achieved is related to the concentration of hydrogen peroxide and the contact time. (dentistryiq.com)
  • Determination of the parameters for functional levels (albumin and urea synthesis, biotransformation) combined with the model calculation of these parameters using a product inhibition model based on the concentration of hydrogen peroxide (H2 O2) indicated a relevance of oxygen levels for the maintenance of hepatic-specific functions. (cellml.org)
  • Dental professionals are the only ones allowed to use components with a higher concentration of hydrogen peroxide. (tadsmile.com)
  • The use of urea-hydrogen peroxide as terminal oxidant in the presence of diphenyl diselenide as catalyst enables a highly selective catalytic oxidation of sulfides into the corresponding sulfoxides. (organic-chemistry.org)
  • The use of urea-hydrogen peroxide and phthalic anhydride in ethyl acetate enables a metal-free, environmentally benign oxidation of substituted sulfides to their corresponding sulfones without observation of the possible sulfoxide oxidation product. (organic-chemistry.org)
  • Urea and ammonium nitrate are fertilizers, and police photographed stacks of seeds from Martha Stewart Living. (boingboing.net)
  • Urea and ammonium ions (NH 4 +) act on the hydrogen bounds that are crucial for the structure of matrix proteins. (justia.com)
  • Bacterial urease converts urea to ammonium and bicarbonate, neutralizing gastric acid and providing protection in the hostile, highly acidic gastric environment. (medscape.com)
  • The active ingredient for both in-office and home bleaching is the same, hydrogen peroxide, with differing concentrations and application times. (dentistryiq.com)
  • The following parameters were evaluated: buffering capacity, flow rate, pH, and concentrations of calcium, urea and total proteins. (bvsalud.org)
  • So just like hydrogen peroxide, the (erroneously) so-called adduct is an oxidizer but the release at room temperature in the presence of catalysts proceeds in a controlled manner. (wikipedia.org)
  • This adduct, which contains 35% of H 2 O 2 , sets the hydrogen peroxide free during its application. (organic-chemistry.org)
  • Eco-friendly laboratory procedures allow the oxidative iodination of various activated and deactivated arenes with molecular iodine, in the presence of UHP (percarbamide), a stable, strongly H-bonded, solid urea-hydrogen peroxide adduct as the oxidant. (organic-chemistry.org)
  • Urea-hydrogen peroxide adduct (UHP) is stable, inexpensive and an easily handled reagent. (organic-chemistry.org)
  • Methyltrioxorhenium (MTO) catalyzes an oxidation of methyl trimethylsilyl ketene acetals with urea hydrogen peroxide to afford α-hydroxy and α-siloxy esters. (organic-chemistry.org)
  • Then is added urea or sodium sulphate or glucose or maltose or sometimes any one of the commonly available fertilizers after dissolving in hot water. (thehindu.com)
  • Because teeth are semi-permeable membranes, hydrogen peroxide penetrates enamel and dentin to the pulp in five to 15 minutes. (dentistryiq.com)
  • It is well documented that urea degrades the organic matrix located in the enamel. (justia.com)
  • The empty minute spaces that are rendered accessible by urea allow the diffusion of hydrogen peroxide throughout the whole thickness of enamel up to the Dentino-Enamel Junction (DEJ). (justia.com)
  • Hydrogen peroxide - urea (also called Hyperol, artizone, urea hydrogen peroxide, and UHP) is a white crystalline solid chemical compound composed of equal amounts of hydrogen peroxide and urea. (wikipedia.org)
  • Hydrogen peroxide-urea is a readily water-soluble, odorless, crystalline solid, which is available as white powder or colorless needles or platelets. (wikipedia.org)
  • Urea-hydrogen peroxide is a non-toxic, odorless crystalline solid. (organic-chemistry.org)
  • Urea-hydrogen peroxide in the presence of a catalytic amount of magnesium bromide efficiently oxidizes primary and secondary benzylic alcohols into the corresponding aromatic aldehydes and ketones. (organic-chemistry.org)
  • Otex Ear Drops (Pharmacy variant) is a medicine and contains Urea Hydrogen Peroxide. (otexear.com)
  • The reaction uses the urea·hydrogen peroxide addition complex as a peroxide source for the in situ generation of trifluoroperacetic acid. (brad.ac.uk)
  • Hydrogen peroxide - urea is mainly used as a disinfecting and bleaching agent in cosmetics and pharmaceuticals. (wikipedia.org)
  • P.A. Giguère (1941), "The crystal structure of the urea-hydrogen peroxide addition compound CO(NH2)2 H2O2", J. Am. Chem. (wikipedia.org)
  • The compound is simply produced (on a scale of several hundred tonnes a year) by the dissolution of urea in excess concentrated hydrogen peroxide solution, followed by crystallization. (wikipedia.org)
  • Thus the compound is suitable as a safe substitute for the unstable aqueous solution of hydrogen peroxide. (wikipedia.org)
  • Creatine is then acted upon by creatinase to form sarcosine and urea. (cdc.gov)
  • Urea - hydrogen peroxide was also found to be an insensitive high explosive, capable of detonation by strong impulse under heavy confinement. (wikipedia.org)
  • Peroxide agents are applied to the teeth either directly or in trays to whiten teeth. (medicaltourismco.com)
  • Hydrogen peroxide can act as a powerful oxidizing agent and can give rise to agents known to be effective bleaching agents, which include corresponding monoanion (HO 2 −) and hydroxyl radical (OH) of hydrogen peroxide. (justia.com)
  • The results of this study revealed that there were no statistically significant differences in salivary flow, pH, buffering capacity, urea, calcium and total proteins in the subjects studied. (bvsalud.org)