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The Impact of Pacifier Use on Your Baby’s Teeth

Posted on: November 5th, 2025 | Posted in Dental Tips, Lifestyle

Pacifiers can be soothing tools for babies and offer several benefits in the early stages of life. However, like many parenting choices, moderation is key. Understanding how pacifier use affects your baby’s teeth and overall health can help you make the best decision for your child.

Benefits of Pacifier Use

Pacifiers are known to provide both medical and emotional benefits for infants. Here are some of the main advantages:

  • Reduced risk of SIDS (Sudden Infant Death Syndrome): Research shows that babies who use pacifiers during sleep are less likely to experience SIDS. Pacifier use keeps them from falling into very deep sleep, allowing them to wake more easily if breathing pauses.
  • Comfort and self-soothing: Sucking is a natural reflex for babies. Pacifiers can help calm them, reduce anxiety, and provide comfort, especially during naps or stressful moments.

Dental Effects of Pacifier Use

While pacifiers have benefits, they can also affect dental development — particularly if used for too long. Prolonged sucking on a thumb or pacifier can cause the teeth to shift out of alignment or affect jaw growth. This may result in what dentists call an open bite or crossbite.

Because of these potential effects, most pediatric and dental experts recommend allowing pacifier use only until around age two. Beyond this point, the risks to tooth and jaw development begin to outweigh the benefits.

Possible Link to Ear Infections

Extended pacifier use can also increase the risk of middle ear infections. The sucking motion can cause the auditory tubes (which connect the throat to the middle ear) to stay open longer. This can allow bacteria or fluids to travel to the ear and cause infection.

Tips for Parents

If you choose to use a pacifier, follow these simple tips to keep your baby’s mouth and ears healthy:

  • Limit pacifier use to nap and bedtime after six months old.
  • Choose one-piece pacifiers that are easy to clean and safe.
  • Avoid dipping pacifiers in sweet substances like honey or juice.
  • Encourage weaning around age two to prevent dental problems.
  • Schedule regular dental checkups once the first tooth appears.

Bottom Line

Pacifiers can provide real comfort and help reduce the risk of SIDS in infants. But prolonged use can affect your baby’s teeth and raise the chance of ear infections. Used wisely and weaned on time, pacifiers can be a safe and beneficial part of your baby’s early development.

Sources: American Academy of Pediatrics, American Dental Association.

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