Day White Teeth Whitening Soldotna
Teeth Cleaning Dental Whitening in Soldotna, Alaska AK - Laser Teeth Whitening 99669
teeth whitening strips Teeth Whitening Cost
Extremely inviting! Exceptional staff and also Dr. Jacquie Smiles the dental professional takes the additional time to obtain to understand you. Extremely pleased Soldotna 99669! My teeth whitening experience was exceptional and the results are remarkable. Dr. Jacquie Smiles likewise strolls you through every little thing you require to know to enhance your dental ... READ MOREToday, you have extra whitening choices compared to before. There are several over the counter items to pick from, expert, dentist-supervised treatment is safer and uses much more trustworthy results. Numerous cosmetic dentists provide both at-home as well as in-office therapy options from credible, trusted makers Soldotna AK 99669.
With dental bonding, your dental professional can do much of the same features that they can with porcelain veneers. Your expert will use tooth-colored composite resin to your teeth. They will very carefully form the product to ensure that it covers up aesthetic flaws as well as matches the shape of your teeth. After solidifying the material with a treating light, she or he will certainly brighten your teeth to give them a natural radiance. Once again, if you select bonding in combination with whitening, your dental practitioner will typically perform lightening. You will certainly likewise need to preserve your regular touch-ups.
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Treatment outcomes could be immediate, stains could come back in the months and also years complying with professional teeth lightening. You could require regular lightening therapies in the future to keep preferable outcomes because therapy does not make your smile much less susceptible to discoloration. There are a number of methods that you could shield your white smile as well as prolong the effects of your treatment.
Prior to beginning any type of oral treatment, you will have a complete appointment with your cosmetic dentist. To decide whether teeth bleaching will certainly function well for you, your dental practitioner will initially analyze your gums and teeth. After establishing your candidateship for treatment, you will discuss your goals and also likely results. Your dentist will certainly intend to assist you achieve natural-looking, rewarding results. With realistic expectations for treatment, you are most likely to be pleased with your outcome. You will additionally review your budget and way of life.
The dental practitioner did teeth lightening as well as a cleaning for 100 bucks. And the photo I have posted is simply the First day and its so white. It's a 3 step bleaching so I can only imagine how white its going desire the third day. My mother is having veneers placed on in september but I have had other ... LEARN MORE
After the initial prep job, your dental professional will apply the whitening gel to the surface of your teeth. There is a great deal of accuracy as well as believed involved in this action. Your dentist will comb the bleaching solution into all revealed surfaces of your smile. They will equally cover your dental enamel so your results show up smooth and natural.
Just as every patient's smile is one-of-a-kind, the outcomes of teeth lightening treatment will certainly vary. Although the majority of individuals are pleased with the outcomes, they are not One Hundred Percent predictable. There are several factors which add to the general result of teeth whitening therapy. The last shade of an individual's smile will rely on numerous elements. These include:
With this details, your dentist can assist you decide whether in-office or at-home bleaching is the right alternative for you. He or she will execute a color analysis. Your dentist will certainly match your smile to a color overview both prior to and after treatment. By recording your makeover, you will have the ability to see the quantifiable distinction in the shade of your teeth.
Pearly Whites Bleaching
I had the KOR Bleaching done by Dr. Featherstone in Henderson Nevada as well as had remarkable outcomes. My teeth were Tetracycline tarnished rather badly and I never ever assumed anything would work. After concerning 2 months of whitening off and also on at night my teeth are currently really brilliant white. I did ... FIND OUT MORE
Prior to making your option think about exactly how rapidly you desire your teeth bleached, what level of bleaching you want to attain, and also just what you can pay for. You need to have a conversation with your dental expert prior to making your final selection.
If you are not a candidate for teeth lightening, or if you have extreme inherent discolorations, you could still take pleasure in a stunning as well as intense smile. There are several alternative treatments to select from. Your dental practitioner will certainly analyze your oral health and wellness and also discuss your therapy goals in order to help you pick the best procedure for your smile. Some of your options consist of:
Just how It functions - A gel is put on the teeth and an LED light is used to whiten the teeth during an hour. The tooth surface area is successfully dehydrated to achieve bleaching. Once complete, you're provided a take house kit for upkeep.
Teeth Lightening Alaska 99669
Teeth lightening could be launched with straightforward items, like hydrogen peroxide-containing mouth wash, where instant usage after consumption of coffee or merlot (as an example) will certainly aid protect against the beverages from tarnishing teeth excessive. Nevertheless, if you regularly allow the affect of such teeth "darkening representatives" smolder overnight, after that the affects of mouthwash will certainly not last also long either.
Cost: The cost for both in-office treatments, custom-fabricated trays and 2 Week of home bleaching, ranges from $800 to $3,500. Generally, the fee is $1,250. The rate of maintenance whitening gel is $5 to $7 for each over night treatment.
Even though there readied reviews for pearl drops and iwhite, i'm negative regarding such reviews online being absolutely unbiased, that's not to state they don't generate great products, even though some are pricey. as i do not think sites that assess them are completely impartial. So i did my own res ... LEARN MORE
Teeth Whitening Cost
Teeth lightening has extremely couple of lasting dangers. If you are considering making use of lightening products, whether professional-grade or non-prescription, consult your dental professional. When a dental expert is conscious of pre-existing conditions and your oral wellness background, he or she can take steps to lessen prospective damages. Though unusual, the risks of teeth bleaching consist of:

We went over the benefits and drawbacks of the at-home gel system over so now we will speak regarding the gels made use of at the dental workplace. Every treatment uses some sort of gel. The dental practitioner could use a much greater percent of peroxide in the office compared to he can offer in a take away set. Portions utilized in the workplace could vary from 15% up to 43%.

Can I just rinse with peroxide to bleach my teeth? Regardless of just what you could have listened to, you should never ever wash your mouth with peroxide! Doing so will certainly cause serious damage for your teeth as well as oral tissues. It will certainly additionally do little to improve the shade of your smile.
how much teeth whitening gel to use Teeth Whitening LightThe whitening shade overviews are utilized to gauge tooth color. These shades determine the performance of the bleaching procedure, which might differ from two to seven tones. [13] The results of lightening could last for numerous months, however may differ relying on the lifestyle of the patient.In-office lightening procedures usually use a light-cured protective layer that is thoroughly paintinged on the periodontals and also papilla (the suggestions of the gum tissues between the teeth) to lower the danger of chemical burns to the soft cells. The lightening agent is either carbamide peroxide, which damages down in the mouth to form hydrogen peroxide, or hydrogen peroxide itself . The bleaching gel usually has between 10% and 44% carbamide peroxide, which is roughly equal to a 3% to 16% hydrogen peroxide concentration .
Teeth Whitening With Crowns
See fast results using our teeth lightening gel in the convenience of your own home. This deal includes 1 syringe of 44% Light Triggered carbamide peroxide gel. Also you receive 2 teeth whitening thermo-forming mouth trays. And a Plasma Light that suits your mouth comfortably for treatments. So this includes every little thing you need for multiples teeth whitening treatments. Our gel keeps for up to 2 years if it is saved in a trendy place.
The assumption of tooth color is the outcome of an intricate interaction of variables such as illumination conditions, translucency, opacity, light spreading, gloss and also the human eye and also mind. [1] Teeth are composed of a surface enamel layer, which is whiter and also semitransparent, and an underlying dentin layer, which is darker as well as much less transparent. These are calcified, difficult cells equivalent to bone. The natural color of teeth is best considered therefore; an off-white, bone-color instead of pure white. Popular opinion of exactly what is typical tooth shade often tends to be misshaped. Representations of cosmetically improved teeth are typical in the media. In one report, one of the most usual tooth color in the general population ranged from A1 to A3 on the VITA classic A1-D4 shade guide. [2] Ladies usually have somewhat whiter teeth than males, partially since females' teeth are smaller sized, as well as as a result there is much less bulk of dentin, partially visible through the enamel layer. For the exact same factor, larger teeth such as the molars and the canine (cuspid) teeth have the tendency to be darker. Primary teeth (milk teeth) are typically whiter than the adult teeth that follow, again due to differences in the proportion of enamel to dentin. As a person ages the adult teeth usually become darker due to modifications in the mineral structure of the tooth, as the enamel becomes less permeable [citation needed] and also phosphate-deficient. The enamel layer could also be progressively thinned or perhaps perforated by the numerous forms of tooth wear.
At-home bleaching approaches consist of gels, eating gums, rinses, tooth pastes, paint-on films, and bleaching strips. [17] [18] Most over the counter techniques utilize either carbamide peroxide or hydrogen peroxide. [18] There is some proof that such products will lighten the teeth contrasted to placebo, the majority of the released clinical studies were short term and are subject to a high threat of predisposition as the research was funded or carried out by the manufacturers. [18] There is no lengthy term evidence of the efficiency or potential threats of such items. [18] Any demonstrable difference in the brief term effectiveness of such products appears to be connected to focus of the energetic ingredient. [18] Tooth pastes (dentifrices) which are promoted as "lightening" hardly ever have carbamide peroxide, hydrogen peroxide or other bleaching representative. [19] Rather, they are unpleasant (usually consisting of alumina, dicalcium phosphate dehydrate, calcium carbonate or silica), meant to get rid of surface area spots from the tooth surface area. [19] In some cases they have enzymes purported to damage down the biofilm on teeth. [19] Unlike bleaches, whitening tooth paste does not modify the innate shade of teeth. Lengthy or excessive term use of rough toothpastes will certainly trigger dental abrasion, thinning the enamel layer [19] as well as slowly dimming the appearance of the tooth as the dentin layer ends up being a lot more obvious.
Pain When Teeth Whitening
They additionally show that they could shorten the time required to achieve a whiter smile by allowing the medical professional to make use of a greater than typical concentration of peroxide in the gel during a much shorter therapy time, with favorable results occurring in minutes in contrast to weeks or days. Using the right light and also gel mix causes fewer occurrences of sensitivity, which all people and also medical professionals want as part of a positive lightening experience and also outcome.
Teeth Whitening For Smokers
In the past, these lasers might eliminate pigment out of the tooth by destroying the pigment without using gel. However, that was discovered to be unsafe. Today, minority dental experts that use a real laser will actually use the exact same lightening gels that are utilized with blue LED lights. The big drawback of making use of a laser to whiten teeth is that it fires a narrow light beam, so the dental expert needs hold it in front of each tooth and relocate very thoroughly from tooth to tooth, so it's really not a good option from a revenue perspective for the dentist.

Reconstruction of the underlying, natural tooth color is possible by merely getting rid of surface area (extrinsic) stains (e.g. from tea, coffee, merlot and also cigarette) and also calculus (tartar). This is accomplished by having actually the teeth cleaned by a dental specialist (frequently labelled "scaling as well as sprucing up"), or at residence by different oral health techniques. Calculus is hard to get rid of without a specialist clean.
Plasma lights are exceptional for teeth bleaching because they are very powerful, but they are also extremely pricey. They have various other oral usages, namely treating composites swiftly as well as properly. Couple of dental experts have one. For teeth bleaching, they are definitely overkill unless your dental technique will utilize it often for other treatments, but they are out of the concern for non-dentists. They normally have power in the area of 150W.
Ultraviolet light was found to activate hydrogen peroxide gel, in various other words, making it react faster, so UV teeth whitening lights came to be the standard for a few years in the market. The problem with UV light is that it's damaging to human beings. Even if the dental expert can conceal the outside of the mouth, the within the mouth was exposed, specifically the component of the gum tissues that was not protected with a gingival obstacle. Because of this, when it was located that blue LED light turns on hydrogen peroxide lightening gel equally as well as UV light, a lot of producers switched to earning blue LED teeth whitening lights, which is where the industry goes to today. Blue LED light has an extremely similar wavelength to UV light.
They get a great seal at the gumedges, all the way round. Age: There is a direct correlation between tooth color and age. For an instantly whiter smile try our fantastic at-home whitening kits and strips. Even so, several precautions can be taken to prevent discomfort. 3 TOOTHPASTE!.................................................................................... Rinse out your mouth and brush your teeth after with regular toothpaste to remove the charcoal. Virtually everyone who opts for a teeth whitening solution sees moderate to substantial improvement in the brightness and whiteness of their smile. Listerine Advance Defence Sensitive Mouthwash: This mouthwash has been clinically proven to treat sensitivity. For this reason, we give you a take home kit afterwards to help to manage this sensitivity. As one tester puts it, “I expected to hate this thing. When you whiten your teeth you will notice and improvement in your confidence and self esteem. The internal portion of teeth normally darkens over time. If this occurs you have options to reduce the pain. Bleaching is least effective when the original tooth color is grayish and may require custom bleaching trays. Teeth whitening is considered as one of the safest dental procedures today, consisting mostly of three 15-minute sessions. Crest recommends you do so before you brush your teeth for optimal adherence, and some users add that they get even better results if they dry their teeth first. Extrinsic stains may settle more readily into these cracks, and a thin layer of enamel can be left. Common side effects of bleaching are increased sensitivity of the teeth and irritation of the gums. There are some common dental bonding treatments that are now being done on a regular basis either in the form of direct composite bonding or the other option which is adhesive bonding for restoration, such as bridge, crowns, inlays/onlays and porcelain veneers. All toothpastes, for example, are designed to create a mild abrasion, removing and preventing superficial stains on the surface of the enamel. Wide side-to-side strokes can scrape the soft layer of enamel on your teeth will vanish.An old recipe used for treatment of cancer. sheet teeth whitening with hydrogen peroxide dentist in new york ny and Add Music List The most common beliefs about apple cider vinegar all over the years because regular deodorants couldn't cut it 1:4 with cornstarch baby powderbut I did people used to bleach, disinfect and shine a little recessed from the eye anymore. The system is still being bought and used by dentists nationwide. Floss, Floss, Floss Flossing regularly improves the health of teeth and gums. Which brings up a good point: the ADA cautions that there have not been enough studies done “to support unsupervised long-term and/or repeated use of bleaching products.” So, consult your dentist before you begin any whitening regimen. The bleaching agent is either carbamide peroxide, which breaks down in the mouth to form hydrogen peroxide, or hydrogen peroxide itself. For some people, whitening might not be suitable and so they will have to opt for veneers to change the appearance of their teeth. By this they mean it is something you choose to have done rather than a medical necessity. When done repeatedly, the bleaching action sinks lower and into the dentine layer. Tooth whitening does not usually change the color of fillings and other restorative materials. It gets more mixed reviews from users, but the Plus White 5-Minute Speed Whitening Kit (Est. $20) is also about half the price of Rembrandt's fast whitening kit. By the fifties, the teeth have absorbed a host of stubborn stains which can prove difficult (but not impossible) to remove. But what happened to the painless, simple procedure I thought I was experiencing? Tooth Sensitivity Tooth sensitivity occurs when the protective enamel on our teeth gets thinner, or when our gums recede. Occasionally individuals develop an unhealthy obsession with tooth whitening akin to body dismorphic disorder, termed "bleachorexia". When healthy teeth become susceptible to sensitization after use of whitening strips, then what can be said about its effect. If you suffer from gum problems or have sensitive teeth, aim to choose an option with low levels of peroxide. There was quite a bit of sensitivity on my last treatment but I has been quite easy thus far. With cosmetic surgery claims on the rise, it’s easy to see why more and more people are looking for safer ways to whiten their teeth. Just be sure you press your impressions deep enough to cover the retainer in order for your custom-fitted trays to fit perfectly. And, all of our products had to be available without a visit to — or prescription from — a dentist, which eliminated popular whitening systems Opalescence and Philips Zoom right off the bat. Additionally, you are more likely to enjoy optimal results when you feel comfortable with your dentist. In-surgery treatment such as laser whitening is quicker and so more expensive than a home whitening kit. Oranges, lemons, limes, pickles, soft drinks, etc. can increase the acidity of your saliva which in turn can harm your teeth.Whiten teeth with baking soda teeth whitening while tanning Biggest 16. Common side effects of bleaching are increased sensitivity of the teeth and irritation of the gums./
Crest’s Gentle Routine strips have a lower concentration of hydrogen peroxide (only 3–7 percent) and you wear them for five minutes per day as opposed to 30. Are seen by many s a protected replicate a with calls and home office bulgarian work permit nadex nov how to make money online how many hours a week part time phd. He or she will evenly cover your dental enamel so your results appear natural and seamless. Your dentist will not be able to answer questions about taxes. With this information, your dentist can help you decide whether in-office or at-home whitening is the right option for you. Clinical study to compare two in-office (chairside) whitening systems.Food and Drug Administration (FDA), the term "bleaching" can only be used when a product contains bleach (hydrogen peroxide or carbamide peroxide). The costs of over-the-counter whitening kits can vary widely — from $30 to $300. They’re formulated to bear lower concentrations of the whitening agent. Thus the reason these products will label themselves as yellow spots on my teeth. Teeth Stain Removal Teeth Whitening Dentist Alaska Teeth Whitening Dentist Near Me Teeth Whitening Products Soldotna Teeth Whitening Reviews Tooth Bleaching Tooth Discoloration Tooth Whitening 99669 Tooth Whitening Dentist Top Dentist Whiter Teeth Zoom Teeth Whitening Zoom Teeth Whitening Reviews Professional Teeth Whitening Teeth Whitening Dentist Teeth Bleaching Teeth Whitening Teeth Whitening Dentist AK Tooth Whitening Zoom Whitening Or, is this person going to bring about harm in one way or another?” Sure, that study was commissioned by the parent company behind Crest Whitestrips to prove its product’s point, and there are plenty of people with not-so-pearly teeth in happy relationships. To decide whether teeth whitening will work well for you, your dentist will first examine your teeth and gums. This sharp change in temperature causes the teeth to expand and contract, thus permitting stains to penetrate. However in most cases, only one visit is sufficient to restore the color of your teeth. How We Found the Best Teeth Whitener To separate the products that will actually improve your smile from the duds that’ll only take a bite out of your wallet (and maybe even hurt your mouth in the process), we interviewed dentists, reviewed the research, and conducted at-home tests with over 30 participants. First, a layer of enamel offers defense for the crowns of your teeth, the part that exists above the gum line. You leave the gel on the teeth for at least 30 minutes with each application. Read more Anonymous at ChaCha Mark as irrelevant Marked as irrelevant Undo still searching for the best professional teeth whiteningproducts...would like to see a demo vid so I can know how itwill work. which? I thought they did when I read about it) but rinsing your mouth after brushing use an LED light, screw cap syringes, and top of the teeth. During the time I use the strips, I don’t use my Sonicare electric toothbrush. I just use a regular toothbrush because it’s gentler on my gums. How Effective is Whitening Strips in Comparison With Other Teeth Whitening Products? They’ll give you professional advice on the best product to use. Results from a dentist-supervised whitening procedure can last anywhere from one to five years (depending on your eating, drinking or smoking habits). It didn’t perform as well as the other Crest Whitestrips we tried, likely due to a lower 6 percent peroxide concentration. Some even say that the bleaching effects continue for 12 or more hours, and their teeth were even whiter when they woke up than they had been the night before. If you’ve had some dental work done, you should speak with your dentist before you whiten your teeth to be sure the results will look uniform, Messina says. I’d never whitened my teeth—ever—aside from using whitening toothpaste (which definitely did nothing). A single application lasts for around 5 to 10 minutes. A whitening (bleaching) gel could bleach the enamel, but as the enamel in such a case has already thinned out, the yellow dentine beneath will still show through. As already mentioned above, common undesirable side effects of tooth whitening treatment, such as increased tooth sensitivity and mouth irritation, usually disappear within a few days. A few differences will be applied to the teeth your because she has a live nerve. It gets more mixed reviews from users, but the Plus White 5-Minute Speed Whitening Kit (Est. $20) is also about half the price of Rembrandt's fast whitening kit. I recommend the Magnasonic denture cleaner; just click on thelink above for more details! Your teeth have pores and act like a sponge; absorbing the colors of the food and drink you ingest each day. They may even have irritated sinus passages from constantly breathing in the bleach fumes. Contenders cut: 12 Aquafresh White Trays, Cool Teeth Whitening Advanced Teeth Whitening System, Crest 3D White Luxe Glamorous White Whitestrips, Dr. Finding The Best Teeth Whiteners Teeth whitening is a popular and rather inexpensive procedure, and teeth whitening products are common to find in "best of" roundups. Some clients prefer to whiten only the week before a big event, like a wedding, and ignore the gels the rest of the time. One of the strengths of custom take home bleaching is that you control the amount of time and concentration of the bleaching treatment, which can reduce tooth sensitivity. K R when a pale shade of our patients outstanding permanent whitening results you're looking for how to get any excess matter from your teeth just because she brushes with AC. How to start a home health care business in washington state army sainsburys part time does taking scrapping in. Which brings up a good point: the ADA cautions that there have not been enough studies done “to support unsupervised long-term and/or repeated use of bleaching products.” So, consult your dentist before you begin any whitening regimen. Expect results to last 1-2 weeks after using At between $20 and $45 per box, teeth whitening strips are by far the most popular and least expensive option available to Australians looking to whiten their teeth. It gets more mixed reviews from users, but the Plus White 5-Minute Speed Whitening Kit (Est. $20) is also about half the price of Rembrandt's fast whitening kit. Because Zero Peroxide is a completely peroxide-free formulation is is 100% safe, and therefore 100% EU-Approved and legal. My patients rarely encounter the down side of white fillings. We carefully select our materials for the benefit of our patients. We are also very meticulous with our technique and attentiveness. So a white filling purchase is not the same from one office to another; it is not like buying a Polo shirt from Neiman’s or from Marshall’s, which is the same shirt. No, the dentist creates a large variable in the success of these white fillings. If you are interested in sharing the experiences of our existing patients we invite you to contact us by calling (972) 250-2580, or by any other way you desire which is available on this web page. However, there are three flavors on offer from this manufacturer: fresh mint, vibrant mint, and soothing smooth mint. It's moderately abrasive and contains sodium lauryl sulfate, which can sometimes irritate sensitive mouths. Our site contains general information about medical conditions and treatments, and provides information and ideas for, but not limited to, natural and home remedies. But if you're like most of today's beauty conscious patients, you'll come away smiling!!!An individual's smile is said to be one of the most appealing features, and that explains why everyone, irrespective of gender, wants to have a great set of white teeth. I have been using this product (bleaching cases + gel) for a couple of days for 30 minutes just before bedtime and i can already see great results.... The period you wear the trays depends on the type and concentration of peroxide gel. Extrinsic staining is caused by substances that come in contact with the tooth.Any other great home remedies, like for cellulite, wrinkles, etc? ? Crest 3D White Luxe Supreme Flexfit Whitestrips are virtually identical to Crest 3D White Luxe Professional Effects Whitestrips, except the strips of the former are bendier — the whitening properties between the two are exactly the same. Best results will likely appear after 10 days of directed use. And if you don't have them, most are very affordable or downright cheap We'll also give you some very useful prevention and maintenance tips to make sure that your teeth will be as healthy and shiny as they can be Let's get started then, first a short explanation and then some powerfulnatural teeth whitening methods, followed by useful prevention tips What NOT to do when you value your own teeth! Dentist supervised systems have advantages and disadvantages when compared to over-the-counter tooth whitening products. Certain medications, notably tetracycline, also discolor teeth, says Gennaro Cataldo, a Henry M. According to the FDA, the term "bleaching" is permitted to be used only when the teeth can be whitened beyond their natural color. After its application, teeth friendly foods should be consumed, like strawberry, banana and lemon. For those ordering the custom trays, we ship within 24 hours of your order, (excluding the weekend) Your impression material is sent via US Priority Mail.
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It creates a gentle refreshing foaming action, which can clean hard-to-reach places, prevent cavities, and leave you with visibly cleaner, whiter teeth. You can use Crest Whitestrips Crest white strips are a good choice for you if a Dental procedure and/or using a tooth whitening gel kit is too expensive but… Using Crest white strips may take you up to 14 days to get the super white teeth you want simply because the solution used in them is not as strong as the solution used in dental offices and in gel-whitening kits and… Watch the video below to see how to use Crest white strips properly… 4. The color of turmeric, coconut oil can rid your teeth with it for teeth whitening treatments isn't something I want to use a great all natural teeth whitening products. The experiment began with each tester recording his or her pre-whitening teeth shade against a dentist-provided teeth shade guide and snapping a “before” pic. The bleaching agent is either carbamide peroxide, which breaks down in the mouth to form hydrogen peroxide, or hydrogen peroxide itself. Individuals who expect their teeth to be a new "blinding white" may be disappointed with their results.When the tartar and plaque go away, so do the teeth stains. 14 Secrets of Whiter Teethwhite than to pay hundreds of dollars for commercial or professional whitening.Charcoal Toothpaste Pros and Cons - Does Charcoal Toothpaste Really Whiten Teeth? Dark colored stains form on the teeth to make them look ugly and colorless. At home[edit] At-home whitening methods include gels, chewing gums, rinses, toothpastes, paint-on films, and whitening strips.[17][18] Most over-the-counter methods utilize either carbamide peroxide or hydrogen peroxide.[18] Although there is some evidence that such products will whiten the teeth compared to placebo, the majority of the published scientific studies were short term and are subject to a high risk of bias as the research was sponsored or conducted by the manufacturers.[18] There is no long term evidence of the effectiveness or potential risks of such products.[18] Any demonstrable difference in the short term efficiency of such products seems to be related to concentration of the active ingredient.[18] Whitening toothpastes[edit] Toothpastes (dentifrices) which are advertised as "whitening" rarely contain carbamide peroxide, hydrogen peroxide or any other bleaching agent.[19] Rather, they are abrasive (usually containing alumina, dicalcium phosphate dehydrate, calcium carbonate or silica), intended to remove surface stains from the tooth surface.[19] Sometimes they contain enzymes purported to break down the biofilm on teeth.[19] Unlike bleaches, whitening toothpaste does not alter the intrinsic color of teeth.