For informational purposes only. This app is not a substitute for professional dental advice. Always consult a qualified dentist for diagnosis and treatment.

Dental Development Guide

Timeline, anatomy, tooth types & gum health — all in one place

Your Child's Age

We'll remember this for next time

First Tooth

Most babies get their first tooth between 6–10 months, but some may be earlier or later — both are normal.

Full Set

By age 3, most children have all 20 primary teeth — vital for speech, chewing, and holding space for permanent teeth.

Primary Teeth Timeline

Source: American Dental Association (ADA)

Upper Teeth
Central incisor

8–12 mos.

erupts

6–7 yrs.

shed

Lateral incisor

9–13 mos.

erupts

7–8 yrs.

shed

Canine (cuspid)

16–22 mos.

erupts

10–12 yrs.

shed

First molar

13–19 mos.

erupts

9–11 yrs.

shed

Second molar

25–33 mos.

erupts

10–12 yrs.

shed

Lower Teeth
Central incisor

6–10 mos.

erupts

6–7 yrs.

shed

Lateral incisor

10–16 mos.

erupts

7–8 yrs.

shed

Canine (cuspid)

17–23 mos.

erupts

9–12 yrs.

shed

First molar

14–18 mos.

erupts

9–11 yrs.

shed

Second molar

23–31 mos.

erupts

10–12 yrs.

shed

Erupts · Sheds

Teething Tips

• Gently rub baby's gums with a clean finger to ease discomfort

• Offer a cold (not frozen) teething ring or washcloth

• Keep a soft cloth handy to wipe drool and prevent rashes

• Start brushing as soon as the first tooth appears