By Dr. Keerthi Sudireddy
Thumb sucking is normal and comforting for babies and toddlers. It only becomes a dental concern if it continues once the adult teeth start coming in.
Thumb sucking is harmless in babies and most toddlers and usually stops on its own by age 3 to 4. If it continues past age 5 to 6, when adult teeth appear, it can push teeth out of line and affect the bite. Gentle encouragement, praise and positive reminders help most children stop, and a dentist can advise if needed.
When it is a problem
Prolonged, vigorous thumb sucking past age 5 to 6 can cause front teeth to angle outward, an open bite, or changes to the roof of the mouth. The longer and more intense the habit, the greater the effect.
How to help your child stop
- Use praise and reward rather than scolding.
- Identify triggers like tiredness or anxiety and offer comfort another way.
- Use gentle reminders and involve your child in the goal.
- Ask your dentist about supportive options if the habit persists.
If the bite has changed
Many bite changes correct themselves once the habit stops. If they do not, braces or aligners later can realign the teeth. A check-up will tell you where things stand.
Book a paediatric assessment at The Tooth Studio.
Have a question about your smile?
Book a consultation with Dr. Keerthi Sudireddy, or get free guidance on WhatsApp.