Anyone allergic to peroxide (the whitening agent) should not use a bleaching product. Gum disease, worn enamel, cavities, and exposed roots. Individuals with gum disease or teeth with worn enamel are generally discouraged from undergoing a tooth-whitening procedure.
Children under 16 years of age. Patients with periodontal disease, tooth decay, cavities and exposed roots. People who are allergic to teeth bleaching whitening agents like peroxide. Individuals with sensitive teeth.
You may not be a candidate for teeth whitening. If you are allergic to peroxide, you will not be able to have your teeth whitened, since peroxide is the active ingredient in whitening systems. If you have a lot of fillings, dental bonding or crowns, you may not be a candidate for dental whitening.
Teeth that have yellowed with age
As we age, the enamel becomes thinner due to wear and tear, revealing the underlying layer of tooth structure called dentin. Dentin is naturally yellowish and cannot be lightened with teeth whitening products.
Unfortunately, whitening doesn't work for everyone. For instance, yellow discoloration can typically be improved with whitening. However, brown or gray-toned teeth may not respond well or at all to whitening. Whitening also won't work if the discoloration was caused by medications or an injury.
Can my teeth become white again after turning yellow? Yes, there are a number of ways that you can help whiten teeth again after they have yellowed, from changing toothpaste and mouthwash to dental hygiene appointments.
Yellow teeth can be completely whitened with teeth whitening technologies at the dentist or at home. Depending on the status of your yellow teeth as well as your needs, the doctor will advise and prescribe the appropriate method.
Also, if you have poor oral health or an underlying medical condition that affects the teeth, the teeth whitening procedure may make the teeth yellow. This is because the dentin has a yellowish hue under the enamel. So, when the enamel thins, your teeth become translucent and may look yellow.
Everyone's teeth are not the same. Variables in enamel thickness, as well as enamel shade, give off different colors other than white, which are perfectly natural. Myth #2: Yellow teeth are unhealthy.
What are the risks of teeth whitening? No matter what treatment you use, there's a chance your gums will be sensitive to the chemicals used in teeth whitening, particularly if you already have sensitive teeth. There's also a chance of burns to gums and some of the whitening kits used at home can harm tooth enamel.
Vitamin B12 Deficiency
Vitamin B12 plays an essential role in teeth and gum health. It helps you eliminate the bacteria that cause plaque buildup, leading to discolored teeth over time.
However some people have teeth appearing naturally yellow irrespective of the kind of foods they have. It is because the dentin layer beneath the enamel is naturally yellow. The color of the dentin is barely visible for some while in others who have thinner enamel the yellow shade appears more visible.
Non-White or Yellow Teeth are Unhealthy
Teeth whitening treatments usually work by stripping or entering the outer enamel layer, which makes teeth weaker if done many times. So, more often than not, yellow teeth are actually stronger than pearly white ones–so long as they're cleaned regularly.
Noticing white spots on the surface of your teeth after a whitening treatment is caused by hypo-calcification. Teeth whitening does not cause white spots on your teeth; however, tooth whitening treatments can make already present spots more visible.
If teeth are overexposed to the hydrogen peroxide agent in whitening gel, the outer layers of enamel may begin to wear away, exposing the dentin and soft inner tissues. This results in lasting sensitivity and discoloration, as dentin is a naturally darker color than enamel.
However, there is no set age where you are too old for a teeth whitening procedure. In fact, as long as you are in good overall health and your dentist agrees that a whitening procedure is safe for you, there is no upper age limit on this procedure.
Make your teeth look whiter – Darker shades like royal/navy blue, purple, and even black can make the color of your teeth appear whiter. Even so, be aware that colors like dark green and brown can look like food.
For celebrity-level whiteness, cosmetic dentists will usually use one of three different procedures: professional whitening treatments, veneers, or crowns.
If teeth whitening does not work for you, it might be because of the product you are using, the type of tooth stains or spots, or strength of the bleaching gel. Product type – Whitening toothpaste does not remove deeply embedded stains.
Teeth whitening prices vary
Depending on your specific needs, the average teeth whitening cost is between $99-$367. There are many factors that can determine the cost of teeth whitening.
Average Cost of Teeth Whitening
Once the tray is formed, your dentist will provide instructions for wearing the trays at home. These custom kits typically cost around $250 to $500, with an additional $30 factored in for annual maintenance.
When the enamel is eroded so badly, in its thinnest form your inner layer can be seen, dentin. Dentin has a natural yellow color. So, if your enamel is transparent enough to show your dentin, your teeth look yellow even if you brush them every day.
As you begin to age, your tooth enamel will start to wear away, revealing the dentin within the tooth. This dentin has a yellowish colour. Your teeth will also begin to create more dentin as you age, which also causes teeth to have a darker appearance.