Why do teeth get yellow????
To figure out how to whiten our teeth, we have to know why they get yellow in the first place. There are several factors that play a part, including genetics, what kind of food and drink you consume, and how well you practice oral hygiene. A tooth is made up of 4 tissues-enamel, which is the strong white covering that protects the tooth, dentin, which supports the enamel and is a hard yellow material that carries nerves, pulp, which is at the center of the tooth and contains blood and lymph vessels, and cementum, which covers the root of the tooth.
The enamel and dentin is what play the biggest role in color. Certain food and drinks will directly stain the enamel, yes, but over time the two biggest culprits are the nasty food and drink that actually break down the enamel, and weakening enamel as we age. As the enamel breaks down, it reveals the yellow dentin underneath. These remedies will focus on whitening teeth that have already lost some white enamel, but it’s also good to keep in mind that doing things to strengthen enamel is just as important so you can keep it from breaking down further. An ounce of prevention is worth a pound of cure (or whitening!)
How To ????
Use whitening gel. Find an ADA-approved gel to use on your teeth and read the instructions to understand the process of using a whitening gel. Then, brush the gel onto your teeth with a small brush, just as you normally would -- for at least two minutes. Then, spit out the remaining gel and rinse out your mouth until the gel is gone.
- Continue using the whitening gel twice a day for fourteen days, or for however long the product is recommended on the instructions. You'll see results in just a few days.
Use whitening toothpaste. Make sure the toothpaste is ADA approved before you purchase it. ADA-approved whitening toothpastes whiten your teeth by gently removing their surface stains through polishing, chemical chelation, or other processes that do not require bleach. You can find many of these toothpastes over the counter. [1]
- Use the toothpaste just as you would use any other toothpaste, brushing your teeth for at least two minutes and then rinsing your mouth.
Spit out the baking soda. Rinse your mouth clean with water (you don't want baking soda in your mouth for a long period of time). Using mouthwash after can help to remove the bad taste of the baking soda if it is unbearable. Use this method once or twice a week for the best results.
- If you experience any tingling after using baking soda in your mouth, see your dentist. It may indicate tooth decay.
- Overusing this method can cause damage to the enamel that coats your teeth. Talk to your dentist about how often you should be trying this.
Info From : wikihow , everydayroots , wikitricks
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