Your Child’s Teeth, Step by Step
Understanding when baby teeth arrive and fall out can feel like a milestone-filled journey, for both kids and parents. This guide walks you through what’s normal, how to care for growing smiles, and when the Tooth Fairy might visit.
🍼 Stage 1: Baby Teeth Eruption
- When it begins: Most babies get their first tooth between 6 and 10 months, usually the lower central incisors.
- Complete set: By around 2½ to 3 years, children typically have all 20 primary (baby) teeth, 10 in the upper jaw and 10 in the lower jaw
Sequence of eruption (in pairs, top and bottom):
- Central incisors: ~6-10 months
- Lateral incisors: ~9-16 months
- First molars: ~13-19 months
- Canines (cuspids): ~16-23 months
- Second molars: ~23-33 months
Teething can cause mild gum irritation, drooling, or irritability, but full recovery follows quickly. Teething toys or using a chilled washcloth can help soothe discomfort .
🪥 Stage 2: Mixed Dentition Phase (Ages 6-12)
Around age six, your child enters the mixed dentition phase, where baby teeth begin falling out and adult teeth erupt
Order of tooth loss:
- 6-7 years: lower/upper central incisors
- 7-8 years: lateral incisors
- 9-11 years: first molars
- 9-12 years: canines
- 10-12 years: second molars
Adult teeth emerge in a similar order, starting with first molars and central incisors and continuing through premolars and canines up to age 12-13. Wisdom teeth (third molars) typically erupt later between ages 17-21.
🧚 Tooth Fairy & Timing Facts
- Most children lose their first baby tooth between ages 5 and 7, often starting with lower front teeth
- The full transition from all baby teeth to all permanent teeth generally completes by ages 12-13
Because tooth eruption and shedding are often mirrored in sequence, a child who teethed early might also lose teeth early and vice versa
Home Care Tips During This Journey
Teething stage:
- Clean gums with a damp cloth after feedings.
- Offer chilled (not frozen) teething rings to soothe gums.
Mixed dentition phase:
- Encourage brushing twice daily and gentle flossing as teeth touch.
- Children can floss and brush on their own when they can tie shoe laces, cut with a fork and a knife or use chop sticks.
- Limit sugary snacks and encourage tooth-friendly foods.
- Attend dental visits every six months to monitor growth and development.
Quick Timeline Summary
| Milestone | Typical Age Range |
|---|---|
| Baby tooth eruption begins | 6-10 months |
| Full set of 20 baby teeth | By about 2½ to 3 years |
| First baby tooth lost | Around age 6 |
| Primary teeth usually gone | By ages 12-13 |
| Permanent teeth established | Ages 6-13 |
| Wisdom teeth (optional) | Ages 17-21 |
Why Understanding This Timeline Matters
Baby teeth (primary teeth) aren’t just placeholders, they:
- Support speech and chewing
- Guide permanent teeth into proper position
- Help shape the jaw and facial structure
Keeping them healthy builds the foundation for lifelong dental health and helps avoid future issues such as crowding or misalignment
Growing Smiles, One Tooth at a Time
The journey from first tooth to final wiggly one is filled with milestones and a lot of brushing practice! At Little Pearls Pediatric Dentistry in North York, we’re here to guide you and your child at every stage of this transition.
Curious about your child’s dental timeline or ready to book a check-up? Schedule an appointment with us today and help their smile grow strong, one tooth at a time.
- Phone: 416-960-4422
- Email: [email protected]
- Contact Form
- Book an Appointment Form
- Address: 81 Billy Bishop Way, Unit D2, North York, ON, M3K 0C2 | View on Google Maps
