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? ›

Weak or Thin Enamel Due to Genetic Factors

What causes kids teeth to come in yellow? ›

Since dentin has a natural yellow appearance, your child's teeth may look yellow and unmatched if several of their permanent teeth come in at different times. The good news is that this is an entirely normal occurrence. Adult teeth will eventually lose their yellow shade, brightening and whitening over time.

What causes discoloration of teeth in kids? ›

Common culprits include popsicles, citrus fruits, juices, and soda that can gradually expose the dentin layer underneath the tooth enamel. Heavily pigmented drinks and foods can also destroy the enamel and cause the teeth to appear dull, yellow, gray, or discolored.

What vitamin deficiency causes yellow teeth? ›

In adults, low vitamin D status can lead to gingivitis and periodontal disease. Does vitamin D deficiency cause yellow teeth? 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? ›

Some medications, like certain antihistamines and drugs for high blood pressure, can result in teeth discoloration. In addition, adults who took tetracycline or doxycycline (both antibiotics) during childhood may have tooth discoloration.

How do I fix my child's yellow teeth? ›

This includes brushing and flossing their teeth at least two times a day, as well as avoiding food or drink that are sugary or acidic. You can also make a natural solution of lemon juice and baking soda. This paste can be used to brush your child's teeth and may help remove the yellow discolouration.

Can yellow teeth become white again? ›

Yes, most stains can easily be lifted from the teeth with professional whitening treatments. The strength of our treatments help patients transform their smile to a dazzling white! It is important to note that internal stains are more difficult to remove.

Why are my teeth yellow when I brush them every day? ›

Even if you're brushing your teeth well every day, your enamel thinning can lead to yellow teeth. While these changes can happen with time, you can help prevent staining in several ways. Practicing good oral hygiene, avoiding certain foods and drinks, and visiting your dentist for regular examinations and cleanings.

What is teeth discoloration syndrome? ›

Genetic defects and hereditary diseases. Genetic defects in enamel or dentin formation include amelogenesis imperfecta (AI), dentinogenesis imperfecta (DI), and dentinal dysplasia (DD). These are hereditary diseases with a propensity for intrinsic tooth discoloration.

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 dehydration cause yellow teeth? ›

This study showed that dehydration affected the shade of the teeth: Lightness increased, and therefore, the teeth appeared whiter.

Is there a disease for yellow teeth? ›

Illness: Illnesses such as jaundice or infection can erode the enamel and cause yellow teeth. Fluorosis: Fluorosis is a condition in which yellow or brownish yellow spots develop on your teeth because of excessive fluoride use. Regarding the use of fluoride toothpaste or supplements, always follow your doctor's advice.

Why are my child's teeth coming in discolored? ›

If baby teeth aren't brushed properly, bacteria (plaque) might form on the teeth — which can lead to tooth discoloration. Medication use. Infant medications containing iron, such as supplemental vitamins, might cause stains on baby teeth.

What drugs make your teeth yellow? ›

A particular type of medicine which may lead to staining is tetracycline . As a broad-spectrum antibiotic, it is used in a wide variety of treatments including acne. Young children and pregnant women should take particular care.

What antibiotic causes yellow teeth in children? ›

Intrinsic, permanent tooth discolouration is well known to occur with the use of tetracycline antibiotics if taken during tooth development (ie, the last half of pregnancy, infancy and in childhood up eight years of age)1.

Why was I born with yellow teeth? ›

Yellow Teeth Can Be Caused by Thin Enamel

Some kids are born with thin enamel due to genetic factors. This is called “enamel hypoplasia.” This means the layer of white enamel is thinner. In turn, this exposes more of the yellowish dentin, making the teeth look more yellow.

Why do teeth start turning yellow? ›

Enamel is worn down over the years from food, drinks, and a variety of other factors that all take a toll on your teeth, leaving the dentin to show through with its dull, yellow tint.

How do I get my child's teeth whiter? ›

Mix about a teaspoon of baking soda with two teaspoons of water to create a paste. Have your child brush their teeth with this paste, and over time, you may see stain removal and a whitening effect. Use hydrogen peroxide: Hydrogen peroxide is a natural bleaching agent that can whiten tooth color.

How to remove yellow plaque from baby's teeth? ›

Stripping off plaque is possible through brushing for three minutes, three times a day. Flossing and using interdental brushes can reach the spaces in between teeth. After brushing and flossing, rinsing the mouth with a fluoride mouthwash can remove the remaining plaque.

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