Why are My Child’s Teeth Yellow? 


Parents often worry when they notice yellow discoloration on their child’s teeth. While teeth naturally vary in shade, persistent yellowing can be attributed to certain factors. Here, let’s explore common causes of yellow teeth in children and discuss potential treatment options to restore their smile’s natural brightness. 

Enamel development 

The enamel, the outer layer of teeth, plays a crucial role in determining the teeth’s colour. In some cases, children may have naturally thinner enamel, which can expose the underlying dentin—a yellowish tissue. This can make the teeth appear yellow. As the child grows, the enamel may thicken, reducing the visibility of the dentin and improving the teeth’s colour. 

Poor dental hygiene 

Inadequate dental hygiene practices can lead to the accumulation of plaque and tartar on the teeth. These substances can cause teeth to appear yellow or discoloured. Encouraging children to brush their teeth thoroughly twice a day and teaching them proper oral hygiene techniques, including regular flossing, can help prevent plaque buildup and maintain a healthy tooth colour. 

Dietary factors 

Certain food and drinks can contribute to yellow teeth in children. Regular consumption of sugary or acidic beverages like soda, fruit juices and sports drinks can erode the enamel and lead to discoloration. Also, excessive consumption of foods with artificial colouring or staining properties, such as berries or tomato-based sauces, can cause teeth to yellow over time. 


Fluorosis occurs when children consume excessive fluoride during tooth development, leading to enamel discoloration. Mild fluorosis can manifest as faint white lines or spots on the teeth, while more severe cases can result in yellow or brown stains. Monitoring the child’s fluoride intake, including the use of fluoridated toothpaste, and consulting a dentist for appropriate fluoride recommendations based on the child’s age and risk factors are essential preventive measures. 

Treatment options 

The treatment for yellow teeth in children depends on the underlying cause. Regular dental check-ups, professional cleanings and teeth whitening procedures can be effective for removing surface stains and restoring a brighter smile. In cases where the discoloration is caused by enamel defects, veneers or bonding may be considered. 

Here at Specialist Kids Dentist, we can take care of your child’s teeth and oral health. Our friendly team will make your child feel comfortable before, during and after the dental clean-up or other procedure.  We are experienced in seeing all kinds of children, no matter their age or how challenging they may be.