Baby teething timeline

Baby teething timeline

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  • Teething chart: Which baby teeth come in first?

    As you can see from the teething chart above and the illustration below, it's usually the two front teeth on the bottom (the lower central incisors) that come in first.

    Even before your baby was born, tooth buds were developing under his gums. Here's a schedule of when teeth start to appear and when baby teeth begin falling out to make way for permanent ones.

    Keep in mind that this is a general timeline. It's perfectly normal for your baby's first tooth to show up at 3 months – or after his first birthday. (Some babies are even born with teeth!) It's also fine if your child's teeth come in or fall out in a different order than what's outlined here.

  • Lower central incisors: 6 to 10 months

    Teething begins. Your baby's gums may be swollen and red where the teeth are coming through. The two middle teeth on the bottom (lower central incisors) are usually the first to erupt, often at about the same time.

    Fast fact: Girls usually get their teeth before boys do.

  • Upper central incisors: 8 to 12 months

    Upper middle teeth (the upper central incisors) emerge.

    Fast fact: Baby teeth, or primary teeth, have wavy edges that smooth out with use.

  • Upper lateral incisors: 9 to 13 months

    Top teeth right next to the middle teeth (lateral incisors) appear, giving your baby a row of what look like four little Tic Tacs.

    Fast fact: Teeth usually emerge in pairs – one on the right and one on the left.

  • Lower lateral incisors: 10 to 16 months

    The lateral incisors appear on the bottom. Now your baby can flash quite the toothy smile.

    Fast fact: Baby teeth hold space for permanent teeth developing under the gums.

  • Upper first molars: 13 to 19 months

    Your child's first molars – the wider teeth toward the back of the mouth – erupt on the top. They won't have much to do until the ones on the bottom show up.

    Fast fact: Baby teeth are whiter and smaller than permanent teeth.

  • Lower first molars: 14 to 18 months

    The companion molars on the bottom emerge. Now your toddler can really do some serious chewing.

    Fast fact: Sometimes the first molars on the top and bottom will erupt on one side before they erupt on the other side.

  • Upper canines: 16 to 22 months

    Also called a cuspid, the upper canine fills the gap between the incisors and first molars.

    Fast fact: These teeth are sometimes called dog teeth.

  • Lower canines: 17 to 23 months

    The lower cuspids appear.

  • Lower second molars: 23 to 31 months

    The second molars, or very back teeth, emerge on the bottom.

  • Upper second molars: 25 to 33 months

    The final teeth – the rear molars on the top – work their way in.

    By age 3, most kids have a full set of 20 baby teeth and can give you a brilliant grin.

  • Growth of jaw and facial bones: Ages 4 to 6

    The bones in your child's face and jaw grow and develop, creating space between the baby teeth for permanent teeth to come in.

  • Tooth loss: Ages 6 to 12

    Your child starts losing teeth. During these years, his grin features both baby teeth and permanent teeth as one type starts to replace the other.

    Your child's teeth can fall out in any order, but baby teeth are often lost in the same order they arrived. If your child's baby teeth came in later than his peers, he may lose them later too.

    The middle teeth are usually the first to go (at 6 to 7 years), followed by the ones on either side (at 7 to 8 years). The molars can be lost any time after that but will likely fall out between 9 and 12 years. The bottom canines will probably fall out between 9 and 12 years, and the top canines will come out between 10 and 12 years.

  • A full set: Age 13

    Your child will probably have all 28 permanent adult teeth at around age 13. (Her four wisdom teeth will come in when she's 17 to 21 years old.)

    If you have any concerns about your child's teeth, talk to your child's dentist.

    Learn more:

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