One of the first things you notice when someone opens their mouth is the color and shape of their teeth. Over time, the constant contact with colorful foods and drinks will take its toll and cause discoloration. Sometimes, it is a bad habit or even a medication that causes your teeth to dull. To reverse the damage, there are home remedies for yellow teeth that you may consider.
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Causes of Yellow Teeth
Your teeth will start to yellow naturally because of the wear and tear that comes with age. Consuming beverages and foods on a regular basis that are known to cause staining also lead to yellow teeth. Common offenders include coffee, tea, and soy sauce. Smoking or chewing tobacco products can yellow the teeth. Other causes include:
Eating anything without properly brushing your teeth
Antibiotics, such as tetracycline and doxycycline 
Antipsychotic drugs and antihypertensive medications
Some mouth rinses and washes (containing chlorhexidine and cetylpyridinium chloride)
Jaundice in newborns
Excessive contact with fluoride
Genetic issues regarding enamel formation
Yellow Teeth Home Remedies
Some teeth yellowing can be reversed by removing the surface stains that settle on the surface of your enamel. To avoid further damage, you may have to make certain lifestyle changes. The following home remedies for yellow teeth can help you improve the appearance of your chompers:
a) Sugarless Gum :
Chew on sugarless gum after meals and drinking certain beverages to stimulate the flow of saliva, remove the bacteria that stain teeth, and remove the residue of drink stains, such as coffee, tea and wine.
Rinsing with water after eating something will help remove the lingering staining agents that can yellow your teeth.
Using a straw when you drink certain colored beverages will lessen further damage to already yellow teeth. This remedy is most effective when consuming coffee, soda, and fruit juices.
d) Certain Fruits:
There are certain fruits that can help scrub away stains from teeth, such as apples, carrots and celery. Eat any of these foods after enjoying a meal and you can aid in the whitening of yellow teeth.
e) Orange Peel:
If you rub the white part of an orange peel along your teeth, you can treat the yellowed appearance that may come with years of drinking brown-colored liquids, such as coffee.
f) Baking Soda:
When you are looking for a mild abrasive agent with whitening properties, reach for the baking soda to treat yellow teeth.
g) Hydrogen Peroxide:
Dip a Q-tip in a small amount of hydrogen peroxide and apply to the surface of your teeth to treat discoloration.
Some people use strawberry pulp for its natural bleaching effects to treat their yellow teeth.
You can use salt to brush your teeth when you wish to reverse the appearance of yellow teeth.
j) Baking Soda and Salt:
To treat yellow teeth, mix salt, baking soda and water to create a paste that can remove surface stains. Keep in mind that the salt can be too abrasive for you, and could cause mouth pain and weakened enamel.
Rinse your mouth with a vinegar and water solution to help improve the appearance of yellow teeth.
l) Clear Fluids:
Drinking colorless beverages (such as water, white grape juice, and flavored waters) will less likely worsen yellow teeth and gives your whitening remedies a chance to work.
m) Lemon Juice and Salt:
Despite the acidic qualities of lemon juice, some people will apply a mixture made out of three parts of lemon juice and one part of salt to their yellow teeth. The remedy is left on for about one minute, and then spit out. They follow up by brushing their teeth like normal. For some, it takes up to two weeks to see results. Do not use this remedy if you have sensitive teeth and gums.