In most cases, the natural color of teeth varies from gray to yellow. The teeth naturally darken with age, and use of tobacco products and the consumption of certain foods or drinks can affect their appearance causing stains on their surface.
Moreover, the perception of the color of teeth is strongly affected by the color of the skin and makeup. Regardless of the actual color of their teeth, people whose skin is darker or use a dark makeup look like they whiter teeth.
Although teeth are not naturally meant to be completely white, many Canadians want a brighter smile. To meet this desire, a wide range of whitening products was made available to consumers. These products fall into two broad categories: products for laundering the surface of teeth whitening products.
It is important to note that Health Canada considers the statements of manufacturers of tooth whitening products such as aesthetics. This means that although the declaration must be accurate not to deceive the public, the regulator tolerates some exaggeration (exaggeration that should not mislead the public). Therefore, it is possible that the results are not as convincing as the consumer expected to start.
Bleaching to the tooth surface
These products use special abrasives to improve the ability of the product to remove stains on the surface of teeth. Most products in this category are either toothpaste or chewing gum.
Since the special abrasive products in these products are often more refined versions of abrasive products in the ordinary toothpaste, whitening products should not cause excessive wear of the teeth. However, their effectiveness is limited to spots on the surface of teeth and should not be used to replace professional cleanings.
Whitening products
Most whitening products are made from peroxide and can change the colors of the tooth itself. However, treatment-based whitening products are not effective for all dental discoloration.
Those who are considering treatment tooth whitening should consult a dentist to determine the cause of tooth discoloration and determine whether such treatment will have the desired effects. This step is especially important for patients with fillings, root treatments, crowns and extremely dark stains on teeth earlier.
There are several techniques and whitening products available to patients. There are 2 main types of bleaching:
The money is vital on teeth that are "live". If teeth are stained by food or tobacco or have yellowed with age naturally, money can restore their vital their luster.
The money is not vital on teeth that are no longer "alive". If the tooth has blackened because of a root canal, bleaching non-vital to restore its whiteness from inside to outside.
There are 3 laundering techniques. The choice will be based on the number of teeth to be addressed and the degree of discoloration.
The dentist may recommend one of the following:
the application of a bleaching solution is activated by heat or light and heat
wearing a mouthguard containing a bleaching agent for a period of time each day
brushing teeth with a bleaching solution mixed with toothpaste
The tooth whitening under the supervision of a dentist can be safe and effective. However, with regard to new techniques for tooth whitening live used in cabinet, especially those using laser and infrared, there is very little scientific data on their evaluation.
The techniques of tooth whitening at home are available to the general public either by dentists or by various stores. Clinical studies demonstrate the safety and efficacy of whitening gel used at home if it complies with the manual. A tooth sensitivity and irritation to the soft tissues may occur during the bleaching treatment, but these effects are passengers.
However, the long-term effects of bleaching are still unknown and must be investigated, especially as the results of treatment are not permanent and that many people eventually undergo periodic treatments laundering.