Teeth Whitening

Teeth become stained on the outside because of staining of the teeth’s dentine on the inside. Bleaching this dentine can take care of this. However, if the staining is heavy or the tetracycline damage is located on the patient’s teeth, and traditional forms of whitening prove ineffective, then there are alternatives. When a thin coating of a composite material is applied to the outer layer of a person’s teeth, more commonly referred to as “bonding” when cured with a blue light this can also be used to mask the exterior staining. As teeth whitening treatments can be quite expensive and not covered by most insurance plans, it pays to be on the lookout for special offers and discounts.

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There are a multitude of ways to whiten or “bleach a person’s teeth. These range from bleaching pens, whitening gels, laser whitening and natural methods of tooth whitening. Some of the more traditional ways of whitening applying a whitening gel to the teeth and securing them by using guard trays. Strips ,which can also be used at home, are also a popular remedy. These are attached to the front of the teeth. Oxidizing agents are the most common compounds used in teeth whitening, the most popular being carbamide peroxide and hydrogen peroxide. The oxidizing elements penetrate the tooth’s enamel and then “oxidizes” the staining deposits. When used over time the dentin layer under the enamel eventually also becomes bleached adding to the more permanent effects of the oxidizing process. A technique which uses a form of light energy known as “power bleaching” is used to accelerate the whitening. The shades of lightening may vary depending on a patient’s degree of staining. The results may last for several months, however a person’s lifestyle, in particular their eating and drinking habits do play a decisive role.

Techniques And Methods Used In Teeth Whitening

These include: whitening, which is performed in a Dentist’s office and under a Dentist’s supervision; at-home teeth bleaching which is used by the patient, this can include some over-the-counter products which can be bought online or at a local drugstore; some other alternatives are offered at spas, salons and even mall kiosks. Toothpastes, gels, rinses and even chewing gum can also be purchased and used at home. The ADA has a guide of over-the-counter products which they deem are acceptable.

Power accelerated or “Laser Whitening”

“Laser whitening” utilizes light energy to speed up the whitening process which is performed under a Dentist’s supervision. There are different forms of energy which may be used such as LED, a Plasma arc or halogen energy. Clinical studies have concluded that among the three, the Halogen light provides the most optimal effects. lights generally lie in the blue light spectrum which has been proven most effective for initiating the peroxide reaction. Most power accelerated treatment can be performed from 30 minutes to about an hour of a single visit in a Dentist’s office. The results and duration time of treatments again depend on the overall condition of a patient’s teeth.

There are risks and possible side effects to such treatments. Consulting a Dentist and evaluating the risks and side effects before commencing any type of “power accelerated” or “laser whitening” is highly advised.

Internal Whitening

Internal bleaching is done on devitalized teeth that have had endodontic therapy otherwise know a a root canal, but they are tarnished because of internal stains of the tooth structure caused by blood or other fluids that had somehow leaked inside. However, unlike external tooth whitening which whitens teeth from the outside in, internal whitening lightens teeth from the inside out. Whitening the tooth reqiuires drilling a small hole to the pulp chamber, then cleaning, sealing, filling the root canal with a substance similar to rubber and then applying a peroxide gel into the chamber of the pulp so that the gel can whiten directly inside the tooth’s dentin layer. After this process, the peroxide is sealed within the tooth for a few days and then replaced as needed. This is known as the “walking bleach technique”.

Teeth Whitening Gels

The two main techniques for the usage of gels in teeth whitening involve a high-concentration gel and a low-concentration gel. The high one is normally used under a Dentist’s supervision, however this can also be used at home with extreme caution. Performing the procedure using the high-concentration gel at home requires the use of carbamide peroxide, with is easily available online or in some pharmacies is known to be more cost effective thanthe in-office treatment. The bleaching process is done by utilizing a high concentration of the oxidizing agent to the teeth with a teeth whitening tray for a short duration of time. The procedure is known to give fast results. Having the trays custom fitted ensures an even and full exposer to the gel. The trays generally stay on the teeth for 15 to 20 minutes. The tray are removed and can then be repeated one or two more times. The majority of in-office procedures use a light-cured protective layer that is delicately painted onto the gums and the tips of the gums between the teeth. This is done to reduce the risk of chemical burns to the soft tissue. The bleaching element is either carbamide peroxide, which eventually breaks down into hydrogen peroxide or hydrogen peroxide itself. The gel usually contains between 10-14 percent carbamide peroxide although 15% is typically recommended. This is approximately equal to a 3-10% hydrogen peroxide mix.

Using the low-concentration tooth whitening formula is less effective and is usually applied at home. The low-concentration solution uses a thin mouthpiece or strip that keeps a low concentration of the oxidizing element next to the teeth for what could be several hours per day for up to 15 days. The results depend on which application technique is used. Some people get whiter teeth whitening in just a few days, while others see very little results or none at all. Using this method in a Dentist’s office usually improves the results because the mouthpiece or strip sometimes does not fit the shape of the teeth effectively leaving parts of the teeth near the gum line unbleached.

The custom fitted mouthpieces found at the Dentist’s office are generally better made either in the Dentist’s office or in a laboratory compared with the over-the-counter variety.

A typical tooth whitening treatment can dramatically improve the appearance of discolored teeth. However, there are stains which do not respond at all to bleaching. These cases include, but are not limited to cases where bonding has been used or on tooth color fillings. These can usually be solved by using porcelain veneers or bonding. Consult a Dental professional to thoroughly explore your options.

Although there are a wide variety of teeth whitening techniques and products available today, their effects vary depending on the condition of your teeth prior to treatment and the extent to which you are willing to go through and spend, from a few dollars into the thousands. The results can be from dramatic to non-existent. Always consult with a certified Dental professional to explore the risks before undergoing any procedure.

Teeth Whitening Comparisons