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Does nighttime nursing or bottle-feeding cause tooth decay?

⚡ Short answer: Nursing or bottle-feeding all night, especially once teeth start coming in (usually from 6 months), increases cavity risk.

Anonymous

bir anne · Sleep

My baby nurses to sleep all night. Does milk staying in her mouth harm her teeth, and how do I prevent decay?

Maiyko AI ADVISOR

The real reply from the in-app AI advisor

Nursing or bottle-feeding all night, especially once teeth start coming in (usually from 6 months), increases cavity risk. Milk staying on teeth overnight lets bacteria feed and produce acid. This is called "bottle rot" but applies to nursing too.

To prevent it, you can try:

  • After the last nighttime nursing, gently wipe baby's mouth and teeth with a clean, damp cloth or finger brush.
  • Encourage baby to fall asleep from soothing (rocking, holding, books) rather than nursing, helping her transition to sleep without food.
  • At night wakings when you do nurse, gently remove the breast once baby drifts back to sleep.

Start dental checkups when the first tooth appears or by age 1 — your pediatrician will guide you.

⚕️ Health note: This answer is for general information only; it is not medical advice. Every baby is different — for decisions about your baby's health, consult your pediatrician.

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