Why Are My Kid’s Teeth Yellow? Potential Causes of Tooth Discoloration in Children | The Little Royals (2024)

If you’re a parent, it’s important to take care of your child’s oral health. You may have recently noticed that your child’s teeth look yellow compared to other kids. What could be causing this? Is it a serious issue? Can you do anything about it? The team at The Little Royals: Dentistry for Kids is here to help and is always happy to answer any questions you may have.

1. Their Permanent Teeth Are Starting to Come in

If your child is about 6-7 years old and their permanent teeth have started to erupt, you may notice that their permanent teeth look quite a bit more yellow than their baby teeth. Good news: this is normal.

Permanent teeth have more dentin (the layer of the tooth underneath the outer enamel), which has a more yellowish color. They also have very large nerve canals when they erupt and the enamel is more naturally transparent. Combined, these things mean that permanent teeth may often look very yellow compared to baby teeth, which are a milky-white.
This is nothing to be concerned about. Over time, as your child’s permanent teeth calcify, they will become lighter. And, as their baby teeth are replaced with permanent teeth, their smile will look more uniform.

2. Antibiotic Use During Pregnancy or Before the Age of 8

This is probably not the issue, but it does bear mentioning. Some types of antibiotics, primarily tetracycline, can bind to your child’s teeth and stain them if you take it while your child is in-utero or if they take it while under the age of 8.

When the tetracycline binds to the teeth and they erupt, it oxidizes, turning from a yellowish-colored to a darker brown. This effect is well-known, and for this reason, doctors usually do not prescribe tetracycline or similar antibiotics to pregnant women or young children, which is why this is not a very common problem.

3. Weak or Thin Enamel Due to Genetic Factors

Genetics can determine a lot about your child’s health, including the strength of their enamel. Some children are born with weaker or thinner enamel. Enamel is what causes teeth to have a whitish color. The underlying dentin is more yellowish, so a thin layer of enamel can make your kid’s teeth look more yellow than white.

If your child has weak or thin enamel, you will need to see a dentist to ensure that you understand how to care for their teeth properly and mitigate their higher risk of tooth decay. We recommend getting in touch with The Little Royals: Dentistry for Kids right away if you think this is an issue.

4. Plaque/Tartar Buildup Causing Tooth Stains

If your child’s teeth are not being brushed at least 2 times per day for 2 minutes, bacteria may continue to collect and form plaque and tartar (hardened, calcified plaque). Plaque can be stained by beverages and foods, and tartar has a yellowish-brown color.

If you think your child has yellow teeth due to plaque/tartar buildup, you should see Dr. Sal Colombo or Dr. Yasi Colombo right away. We can clean their teeth, and help you develop a better understanding of how to properly maintain your child’s smile to avoid similar issues in the future.

Concerned About Your Child’s Yellow Teeth? Contact The Little Royals: Dentistry for Kids Now!

Whether you’re in Jupiter, Abacoa, Palm Beach Gardens, Country Estates or Jupiter Farm, Dr. Sal and Dr. Yasi Colombo are here to help your little ones get the oral care they need to maintain a healthy smile. So if you’re concerned about yellow teeth, don’t wait. Contact us now at (561) 510-1450 to schedule an appointment, or come to our office at 600 Heritage Drive, Suite 110, Jupiter, FL 33458 to make your appointment in person.

Why Are My Kid’s Teeth Yellow? Potential Causes of Tooth Discoloration in Children | The Little Royals (2024)

FAQs

Why Are My Kid’s Teeth Yellow? Potential Causes of Tooth Discoloration in Children | The Little Royals? ›

Plaque/Tartar Buildup Causing Tooth Stains

What causes yellow stains on kids teeth? ›

When enamel wears away, the dentin, which is a deep yellow or brownish material beneath the enamel, is exposed. This can cause teeth to look yellow. Enamel erosion can be caused by several factors, including acidic foods and drinks, brushing too hard, and grinding teeth.

What causes tooth discoloration in children? ›

Stains From Food & Drinks

Just like adults, what kids eat and drink can affect the color of their teeth. The outer layer of tooth enamel is porous, and can absorb certain pigments from foods and drinks, especially from tea, coffee, tomato sauce, soy sauce, and other very dark or highly pigmented foods.

What vitamin deficiency causes yellow teeth? ›

In adults, low vitamin D status can lead to gingivitis and periodontal disease. Yes, vitamin D deficiency can show up as yellow teeth. Yellow or brown spots on teeth are a symptom of rickets, a condition caused by chronic low levels of vitamin D.

Which drug causes discoloration of teeth in children? ›

Tetracycline is a typical antibiotic, often found to be the cause of tooth discoloration. This is an antibiotic that can permanently stain our teeth. Because of the side effect of discoloring children's teeth, Tetracycline should be avoided in children under 12 years of age.

Why are my 7 year old's teeth so yellow? ›

Their Permanent Teeth Are Starting to Come in

If your child is about 6-7 years old and their permanent teeth have started to erupt, you may notice that their permanent teeth look quite a bit more yellow than their baby teeth. Good news: this is normal.

Can genetic yellow teeth be whitened? ›

Patients with hereditary discoloration might not have much success with store-bought whitening products, though professional whitening might instead be a viable option. For patients with weakened and tarnished teeth, especially from genetically inherited conditions, restorative dentistry is also an option.

What deficiency causes teeth discoloration? ›

Vitamin Deficiencies Can Affect Your Smile

Vitamin B12 deficiency — This essential vitamin helps eliminate bacteria in your mouth, preventing plaque from building up and causing tooth discoloration. If your teeth are stained and your gums are unusually red, you may need to incorporate more B12 into your diet.

What illness causes teeth discoloration? ›

Some health conditions cause teeth discoloration, including liver disease, celiac disease, calcium deficiency, eating disorders and metabolic diseases. Certain medications. Some medications, like certain antihistamines and drugs for high blood pressure, can result in teeth discoloration.

How do you get rid of discoloration on kids teeth? ›

Brushing and flossing every day is one of the most effective ways to prevent tooth stains, and it can also remove light tooth stains over time. Encourage your child to brush twice a day for at least two minutes each session and floss their teeth at least once a day.

Can poor nutrition cause yellow teeth? ›

Other common reasons for yellow teeth include heredity, overexposure to fluoride, exposure to certain antibiotics at an early age or underlying health issues. For example, yellowed teeth can be a sign of celiac disease or certain nutritional deficiencies, according to MediResource Inc.

Can low iron cause yellow teeth? ›

Even having an iron deficiency will not create yellow teeth. Though taking an iron supplement when you have a deficiency may cause teeth staining. We know that citrus fruits are damaging because of the ascorbic acid – which is essentially Vitamin C.

Can vitamin deficiency cause teeth staining? ›

Essential for teeth and gum health, vitamin B12 plays a vital role in eliminating plaque-causing bacteria, which can lead to gradual tooth discolouration. If you observe tooth stains or reddened gums, it may indicate a deficiency in vitamin B12, which is more prevalent among vegans or vegetarians.

What antibiotic makes kids teeth yellow? ›

Tetracycline is one such antibiotic that has been linked to dental issues like tooth staining. The use of this drug can cause permanent staining on teeth. The stains are so rigid that they are very difficult to remove with the help of teeth whitening treatments.

Does baking soda whiten teeth? ›

Baking soda can be used with some water to remove the stains on the surface of the teeth. It can also be used with hydrogen peroxide to enhance its whitening effects. Baking soda can be used by individuals with regular toothpastes too. It is also used commercially in some teeth whitening products and toothpastes.

How to reverse yellow teeth? ›

Remedies for yellow teeth
  1. Brushing your teeth. Your first plan of action should be to brush your teeth more often and in the correct manner. ...
  2. Baking soda and hydrogen peroxide. ...
  3. Coconut oil pulling. ...
  4. Apple cider vinegar. ...
  5. Lemon, orange, or banana peels. ...
  6. Activated charcoal. ...
  7. Eating fruits and vegetables with a higher water content.

How to remove yellow stains from child's teeth? ›

Mix a teaspoon of baking soda with two teaspoons of water and brush your kid's teeth with it twice per week. Hydrogen peroxide: Hydrogen peroxide is a mild bleach that helps to whiten stained teeth. For efficiency, you can mix it with baking soda and brush your kid's teeth with it twice a day for a week.

How do you get rid of yellow plaque on kids teeth? ›

Brushing twice daily with fluoride toothpaste and flossing once daily can help remove plaque from teeth and prevent tartar from forming. Other home remedies that can prevent plaque buildup include brushing the teeth with baking soda toothpaste and using a water flosser.

How do you stop yellow teeth in children? ›

How do I Avoid My Kid's Teeth Turning Yellow? Promoting good dental hygiene is the most effective way in protecting your child from yellow teeth. You should also try to avoid any food or drink that are sugary or acidic or allowing your child to sleep with their milk bottle.

How do you fix yellow stains on teeth? ›

Baking soda and hydrogen peroxide

Using a paste made of baking soda and hydrogen peroxide is said to remove plaque buildup and bacteria to get rid of stains. Mix 1 tablespoon of baking soda with 2 tablespoons of hydrogen peroxide to make a paste. Rinse your mouth thoroughly with water after brushing with this paste.

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