Teething · Usually 23–33 months
Second molars: 23–33 months
Second molars usually arrive between 23 and 33 months and complete the set of 20 baby teeth.
26 August 2026 · 2 min read · A Baby Bee Blossom family note
From our home
These are the last baby teeth near the back of the mouth. Lower molars may appear before the upper ones.
What to expect
- Lower second molars are often 23–31 months.
- Upper second molars are often 25–33 months.
Simple care
- Brush the wide chewing surfaces carefully.
- Keep regular dental check-ups.
Sources behind this note
Wonder Weeks is referenced where it shaped our family's way of noticing change. Baby Bee Blossom is not affiliated with or endorsed by The Wonder Weeks.