Baby Teeth vs Permanent Teeth: Key Differences Every Parent Should Know (Singapore Guide)

A strong, healthy smile begins long before a child’s adult teeth appear. For many parents in Singapore, one of the most common concerns is:

“What’s the difference between baby teeth and permanent teeth, and how do I care for them properly?”

Understanding this transition helps you protect your child’s oral health, prevent dental cavities and ensure proper jaw development.

What Are Baby Teeth?

Baby teeth, also known as primary teeth or milk teeth, are the first teeth your child develops. They usually begin to erupt around 6 months and are typically complete by age 3.

Baby teeth are:

• Smaller and whiter
• More sensitive due to thinner enamel
• Essential for chewing, speaking and guiding adult teeth

Why Baby Teeth Matter

Many parents think baby teeth don’t require much care because “they will fall out anyway.” But this is a big misconception.

Healthy baby teeth:

• Maintain space for future permanent teeth
• Prevent misalignment
• Support proper jaw and facial growth
• Help children speak clearly
• Boost confidence and nutrition

Untreated cavities in baby teeth can cause infections, premature tooth loss and long-term orthodontic issues.

Baby Teeth Eruption Timeline (Singapore Parents Guide)

• Central incisors: 6–12 months
• Lateral incisors: 9–16 months
• First molars: 13–19 months
• Canines: 16–23 months
• Second molars: 23–33 months

What Are Permanent Teeth?

Permanent teeth or adult teeth, replace baby teeth and are designed to last a lifetime. These teeth appear gradually from age 6 until the early twenties.

Permanent teeth are:

• Larger and stronger
• Slightly yellowish due to thicker dentin
• Essential for long-term chewing, speaking and facial support

Permanent Teeth Eruption Timeline

• First molars & lower central incisors: 6–7 years
• Lateral incisors, canines, premolars: 7–12 years
• Second molars: 11–13 years
• Wisdom teeth: 17–25 years

Key Differences Between Baby Teeth and Permanent Teeth

Feature	Baby Teeth (Primary)	Permanent Teeth (Adult)
Number	20 teeth	32 teeth
Size	Smaller	Larger
Colour	Bright white	Slightly yellow
Roots	Shorter roots	Longer, stronger roots
Enamel	Thinner, more prone to cavities	Thicker and stronger
Function	Temporary, guide adult teeth	Long-term chewing & aesthetics
Timeline	Erupt 6–33 months, fall out by 6–12 years	Erupt 6–25 years

 

Why Proper Care for Both Teeth Sets Is Essential

Caring for Baby Teeth

• Start brushing once the first tooth appears
• Use fluoride toothpaste (pea-sized for ages 2–6)
• Avoid sugary snacks & frequent snacking
• Schedule regular pediatric dental check-ups
• Consider fluoride treatments if recommended

Caring for Permanent Teeth

• Brush twice daily and floss regularly
• Maintain a calcium-rich diet
• Use a mouthguard for sports
• Regular dental visits for cleaning, sealants & cavity prevention

When Should Parents See a Dentist?

Book a dental visit if you notice:

• Delayed tooth eruption
• Visible cavities or brown/black spots
• Teeth crowding or misalignment
• Pain, sensitivity or gum swelling

Early dental visits help prevent advanced decay and allow timely treatment.

How Ashford Dental Centre Supports Your Child’s Dental Health

At Ashford Dental Centre, we provide personalized paediatric dentistry to support healthy development from baby teeth to adult teeth. Our services include:

• Child-friendly dental check-ups
• Monitoring baby & permanent tooth eruption
• Cavity prevention, fluoride treatments & dental sealants
• Early orthodontic assessment
• Education for parents on proper oral hygiene

With clinics conveniently located in

• Thomson Dental Clinic
• Bedok Dental Clinic
• Serangoon Dental Clinic
• Jalan Kayu Dental Clinic

families across Singapore can easily access trusted children’s dental care.

📅 Schedule a paediatric dental appointment with Ashford Dental Centre today and ensure your child’s smile grows healthy, strong and confident.