Deciduous teeth, commonly called baby teeth, primary teeth or milk teeth, are the first set of teeth children develop. Most children have 20 primary teeth, which begin to appear during infancy and are gradually replaced by permanent teeth during childhood. Although baby teeth are temporary, they are important for chewing, speech development and maintaining space for permanent teeth. Proper care from the time the first tooth appears can help prevent tooth decay and support healthy oral development.
They start developing during the embryonic stage and start to erupt through the gums about 6 months after birth. All 20 of them are typically in by age 2Β½.
Who Is This Article For?
- Parents of babies and young children.
- Caregivers who want to understand deciduous or primary teeth.
- Parents concerned about baby tooth eruption or tooth loss.
- Families looking for ways to prevent cavities in baby teeth.
- Parents who want to know when their child should first visit a dentist.
What are Deciduous Teeth?
Deciduous teeth, also known as baby teeth, primary teeth, or starter teeth, are the first set of teeth that appear and are then replaced with adult teeth as a person grows older. Most people have 20 deciduous teeth, though some may have fewer or more. These baby teeth are critical for the development of your childβs speaking and chewing skills but theyβre also very delicate. If your childβs deciduous teeth are damaged, infected, or suffer from general wear and tear, they may be at risk of not being replaced by a new set of permanent teeth. This is why itβs essential to take special care of your childβs deciduous teeth.

Deciduous Tooth Development
Deciduous teeth emerge from your childβs gums during a specific period of development. This usually happens sometime between infancy and the age of 10, though some kids will get their first deciduous tooth earlier or later than this. The order in which deciduous teeth emerge and fall out is based on your childβs growth and development. The first teeth to appear are usually the upper central incisors. These teeth are followed by the lower central incisors, upper and lower lateral incisors, upper and lower central teeth, upper and lower first molars, upper and lower second molars, and finally the upper and lower third molars.
Tips for Healthy Baby Teeth
As your childβs primary teeth begin to emerge, itβs important to care for them as you would any other adult tooth. Here are a few tips to make sure your childβs teeth stay healthy until they fall out: Make sure your child brushes their teeth at least twice a day. Be sure to use toothpaste designed for infants and young children.

Make sure toothbrushes are appropriate for your childβs age and size. Avoid using a hard-bristled toothbrush. Be careful when using oral care products. Avoid giving your child too many sugary or sticky foods. Be sure to schedule regular dental check-ups. Make sure your childβs pacifier is clean. Be careful when your child eats sticky or hard foods during teething.
Care of Deciduous Teeth during development
As with any other set of teeth, itβs crucial to keep your childβs deciduous teeth clean. In fact, you may want to take a few extra steps when cleaning these teeth especially if your child has not yet developed the manual dexterity to effectively clean their own teeth. Here are a few tips for keeping your childβs teeth clean during their developmental phase: Start cleaning your childβs deciduous teeth as soon as they start to emerge.
Use a soft-bristled toothbrush designed for infants. Be careful when cleaning your childβs gums with a toothbrush. Make sure to use the proper amount of toothpaste and water. Be careful when cleaning your childβs teeth with water. Be sure to clean your childβs teeth after every meal. Make sure to clean your childβs teeth after they eat sticky or hard foods.
When to see a Dentist for Deciduous Teeth
The best way to keep your childβs deciduous teeth healthy is to schedule regular dental check-ups with a dentist or other dental care professional. Itβs essential that parents and caregivers keep an eye out for any dental issues that could affect their childβs deciduous teeth.
Here are a few issues that warrant a visit to the dentist: Pain in your childβs teeth. The emergence of a new tooth in your childβs gums. Changes in your childβs bite or jaw alignment. Any excessive drooling from your childβs mouth. Any signs of infection, such as redness, swelling, or pus. Any signs of abnormal wear and tear, such as cracks in the teeth or chips in the enamel.
Conclusion

Deciduous teeth, also known as baby teeth or primary teeth, are temporary but play an important role in childhood development. They help children chew and speak and maintain space for permanent teeth. Most children begin getting their first baby teeth during infancy and gradually lose them from around age 6 as permanent teeth erupt.
Good oral hygiene should begin as soon as the first tooth appears. Parents should help children brush twice a day with an age-appropriate amount of fluoride toothpaste, limit frequent exposure to sugary foods and drinks, and arrange the first dental visit within six months of the first tooth appearing and no later than the first birthday. If a child develops tooth pain, swelling, visible decay, trauma or another unusual dental problem, don’t wait for the baby tooth to fall out on its own. Early dental care can help protect comfort, oral function and the healthy development of permanent teeth.
Frequently Asked Questions
1. What are deciduous teeth?
Deciduous teeth are the first set of teeth children develop. They are also called primary teeth, baby teeth or milk teeth. Most children have 20 primary teeth.
2. When do deciduous teeth start to appear?
Most babies get their first tooth around 6 months, although some children develop teeth earlier or later. The lower central incisors usually appear first.
3. When do baby teeth fall out?
Children generally begin losing their baby teeth around age 6. The process continues through childhood as permanent teeth replace the primary teeth.
4. Do baby teeth need to be treated if they will fall out?
Yes. Baby teeth are important for chewing, speech and maintaining space for permanent teeth. Untreated decay can cause pain and infection and may affect a child’s daily activities.
5. When should my child first visit the dentist?
A child’s first dental visit should occur within six months of the first tooth erupting and no later than 12 months of age.
Suggested Article β
- Take Care of Milk Teeth in Children.
- Parents must know about Baby Teething
- 5 Foods that make kidβs Teeth stronger
Medical Disclaimer
This article is for patient education only. Dental treatment should be planned after clinical examination, medical history review, and X-rays or scans where required. Treatment suitability, cost, timeline, healing, and results vary from patient to patient.





