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How Teeth Whitening Works

How Teeth Whitening Works

Posted by: Purrfect Dential

The modern world today places a lot of importance on the presentation and packaging of everything. This could be a course, a gift, a product and even a human being. The best of best of anything, if it is not attractively presented, it risks to be rejected. When it comes to human beings also their outward appearance is very crucial for their position advancement in their career. This is why they ay a lot of attention and money on their personal grooming.

One of the most visible aspects in the overall grooming of a person is the color and shape of their teeth. People who have a well coordinated and white set of teeth are more attractive than those who have yellowish-brown decayed set of teeth. Since the color of the teeth usually deteriorates with age, people resort to teeth whitening processes to maintain their attractiveness.

What Is Teeth Whitening Process?

The process that when applied to human teeth, removes any existing discoloration making the teeth porcelain white is known as teeth whitening process. Everyone can avail of this process and enjoy an exceptionally dazzling smile, with the exception of people who have sensitive teeth. For them this process is contraindicated because it would further aggravate the condition.

There are many such teeth whitening options:

1. Teeth bleaching – which involves a bleaching solution (carbamide peroxide in 10% concentration) which would need to be applied to the teeth for a brief period over one or two weeks.

2. Laser teeth whitening – this is a method where a laser ray is used to trigger the effects of the whitening solution. With this method you can almost instant results.

3. Toothpaste for whitening of teeth – this is a more slow method but one which hardly has any side effects.

4. Teeth whitening strips – these are strips dipped in peroxide solution which need to be carefully applied over the teeth and kept there for about 30 minutes.

How Does The Teeth Whitening Work?

There are two ways to have your teeth whitened – (i) one is done by a dentist and it is called professional tooth whitening system; and (ii) the other is done at home through various do-it-yourself kits. The main ingredient in both these methods that brings about the whitening of teeth is carbamide peroxide. There is a difference, though. The professional teeth whitening solution would contain 15% of this ingredient, while the DIY kits would contain maximum 10%.

The whitening of the teeth is the direct result of the bleaching effect of the carbamide solution on the enamel of the teeth. This is why it is contraindicated for people who already have sensitive teeth. The professional teeth whitening process usually involved laser rays which activate the gel already applied to the teeth. The impact of this process can be visible within an hour – which is why it is highly south after.

The home kits also use the carbamide peroxide as the active ingredient. However, this is more time taking as the solution is weaker than the one used by the professional dentist and hence, it needs to be repeated over a week or two until you achieve the required results.

The carbamide peroxide simply bleaches the enamel of the teeth bringing back their original shine to the front. Since the bleaching effects is sometimes very strong, you might experience teeth and even gum sensitivity for a while – though these negative symptoms would pass on their own after a few days.

It is very important here that you pay close attention to the way you apply and how long you are keeping the solution on your teeth, lest you would have to experience some over-sensitiveness of your teeth.

We offer safe and effective teeth whitening systems that achieve immediate results. Our tooth whitening gels are the leading whitening gels on the market.

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Is Bleaching the Best Method of Home Teeth Whitening?

Is Bleaching the Best Method of Home Teeth Whitening?

Posted by: Purrfect Dential

Teeth whitening is more than a fad, it’s a multi-billion-dollar industry that will see more than 10 millions Americans spend over (an estimated) $2 billion this year. Teeth whitening is by far the most common cosmetic service provided by dentists right across America, and the sales growth in mail-order and over-the-counter products has surged on a massive scale.

But are brilliant white teeth really achievable? Is teeth whitening safe? Does it hurt? What is the best method? Can you do it at home? These are all very common questions, and in general you will find the answers to be: Yes, Yes, Not normally, (arguably) Bleaching, Yes.

Whiter teeth can be achieved via a number of different methods, both at your dentist (or professional teeth whitening office) and at home. In fact, many dentists actually perform the first one or two treatments, then get you all kitted-up so you can do the rest at home. but that’s for the ‘bleaching’ methods, there are other avenues you can travel down in your quest for whiter teeth that involve structural changes to your teeth, like ‘bonding’ and ‘porcelain veneers’.

Bleach-based teeth whitening products all basically have the same goal – to penetrate deep into your tooth enamel to rid it of stains. Tooth enamel is porous, so brushing and scouring products don’t work, and this is where bleach-based tooth whitening products come into play. You see the most effective methods actually use bleaching chemicals to penetrate deep into the tooth enamel. They set off an oxidising process that breaks down the staining compounds in the enamel leaving you with bright white teeth. Sounds simple, but there are many products on the market that fall short of promises. Most over-the-counter products only ever manage to whiten teeth marginally, while the more professional products can provide you with extreme changes to the whiteness of your teeth.

The entry-level teeth whitening product would be a whitening toothpaste. Some people have demonstrated a slight improvement in brightness, but because a toothpaste isn’t exposed to your teeth for very long (you only brush for a few minutes), they typically are not able to penetrate deep enough to have much effect. Some toothpastes actually contain very strong chemicals that are aimed at working quickly (based on the short timeframe they are exposed to your teeth) and instead of working to penetrate the enamel and oxidise/clean the stains, they can actually work as an abrasive that will etch away the enamel.

Next in line we have whitening strips. Whitening Strips are thin, flexible pieces of plastic that have been coated on one side with a thin film of hydrogen-peroxide bleach (normally 6-10% strength). They are pressed against the top and lower teeth and normally need to be worn for 30 mins (twice daily) for 7-14 days. They do work, but because they cannot get into all the nooks and crannies and gaps between teeth, the results can sometimes be blotchy and less desirable than anticipated.

Getting more serious, we have bleach-based tooth whitening products which will involve a tray being placed in your mouth that has been injected with a ‘bleaching’ solution (hydrogen peroxide). This procedure can be done at home or by your dentist, or by a combination of dentist / at home. You can buy cheap over-the-counter ‘boil and bite’ trays that are virtually ready to use out of the packet. You boil the tray to get it hot and mouldable, place it in your mouth and bite into it. The end-result is a ‘partially’ moulded tray that is ready for use. The disadvantage of this type of tray is that it will not fit snugly which results in inconsistent results and leakage of the bleaching gel into your mouth and gums. Leakage of the bleach into the mouth is undesirable for obvious reasons, and smears on/around the gums can result in temporary (and even long terms) bleaching of the gums.

Professional systems see you being fitted out with a custom-fitting tray which is essential to assure proper bleaching and consistent results. Using a custom tray will almost definitely result in less leakage into you mouth and gums. Custom fitting trays can be acquired directly from your dentist or from various online specialists who have a DIY custom tray kit. With this type of system you actually get shipped all the necessary items to make an impression of your teeth so your own custom-fitting stray can be made. You basically make your impression with the items provided, place it in the preaddressed packing envelope and mail it off. They will make your customized bleaching trays in a certified laboratory and send them back to you within 2-7 business days… than all you need to do is apply the gel into the tray and put it in your mouth for the recommended periods.

The most important part of a teeth whitening system is the gel that is used. You can have an expensive custom-fitted tray (mouthpiece), but if you don’t have the right teeth whitening gel, you will spend far too much time with the tray in your mouth and or your results will not be as expected. To understand the differences between whitening gels and why they are considered as the best tooth whitener, it is preferable to understand exactly what they are made of, and what they actually do.

Most gels contain either carbamide peroxide or hydrogen peroxide, and some contain fillers and flavors. Carbamide peroxide actually breaks down into hydrogen peroxide in the mouth. Hydrogen peroxide is the active whitener (it’s the same chemical that will bleach your hair). The difference between most gels is the strength of the peroxide. Most gels these days are around 15% and up, with some of the most popular being around 22%. The strength of the peroxide obviously will play a determining factor in how long you need to leave the tray in your mouth, and tooth sensitivity can be a major part of deciding on what strength to use. But, in saying that, it is not actually the strength of the peroxide that usually causes sensitivity, but rather the length of time that the teeth are exposed to the chemical. That is why some people prefer to go for a higher strength (such as 22%) but use it for a shorter period of time. You can also get higher strengths like 35%, but these are only recommended for short ‘bursts’ of maintenance, perhaps monthly for periods of 15-30mins.

Other types of professional teeth whitening include bonding and porcelain veneers. These both involve actual structural change to your teeth. Bonding involves a composite resin that is moulded onto the teeth to change their color and to reshape them. The resin material can stain and chip over time. Bonding can usually be done in one office visit for $300-$700 per tooth. Porcelain veneers are shell-like facings that can be bonded onto stained teeth. They are used to reshape and/or lengthen teeth as well as to whiten. Veneers require at least two office visits and cost $700 to $1,200 per tooth.

There are many ways to get the white teeth that so many people desire. Have a peek at to learn more about the various methods.

Written by Jim McDonald, a writer for, an informative website about Teeth Whiteners and what is the best Home Teeth Whitening Kit.

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