When Do Baby Teeth Come In (and Fall Out)?
Written & medically reviewed by Dr. Rajat Shaikh, MDS — Pediatric & Preventive Dentistry · Last updated July 2026
Baby teeth usually start appearing around six months, and a full set of 20 milk teeth is typically in place by age three — the lower front teeth come first, followed by the upper front teeth.
Every child is different, but baby teeth tend to follow a familiar pattern. Here is the typical timeline.
The baby-teeth eruption timeline
- 6–10 months: lower front teeth (central incisors)
- 8–12 months: upper front teeth
- 9–16 months: side front teeth (lateral incisors)
- 13–19 months: first molars
- 16–23 months: canines
- 23–33 months: second molars — a full set of 20 by around age 3
When do baby teeth fall out?
They usually begin falling out around age 6, in roughly the order they came in, continuing until about age 12 as the adult teeth replace them.
What if teeth are early or late?
A few months either way is completely normal. If no teeth have appeared by around 15–18 months, mention it at a check-up so we can take a look.
Caring for new teeth
Clean each tooth as it appears and plan the first dental visit by the first birthday. For soothing sore gums, see our teething guide.
Frequently asked questions
Is it a problem if my baby’s teeth are late?
Usually not — timing varies widely. If nothing has erupted by about 15–18 months, have it checked to be sure.
In what order do baby teeth come in?
Typically the lower front teeth first, then the upper front teeth, followed by the side teeth, first molars, canines and second molars — a full set of 20 by around age three.
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