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What is the “Eruption Sequence” and Why it Matters

eruption sequence for babies

While you may not have heard it called the “Eruption Sequence,” you’re probably familiar with the teething process. If your baby is still too little, don’t worry! You’ll experience it soon enough.

What is the Eruption Sequence?

The Eruption Sequence is the order in which teeth usually come in. The process usually begins at around 6-8 months, though it can begin as early as 3 months or as late as 12 months. Once eruption begins, it starts with the top 2 and bottom 2 front teeth. From there, the teeth continue to erupt moving to the back of the mouth, ending in the second molars by 3 years old.

For each tooth, there is a range at which age they can erupt. Every child is different, but if you’re noticing major delays, it might be a good idea to visit your pediatric dentist. There can be delays for several reasons.

Permanent teeth also follow an eruption sequence, beginning at around age 6 when primary teeth start to shed. Permanent teeth are usually completely in by age 21.

Why Does it Matter?

The proper formation and care of primary teeth is more important than you might think! These primary teeth allow your child to chew and learn to pronounce words correctly.

If teeth are coming in way out of order, it may interfere with your child’s ability to do each of these things.

Primary teeth also hold space for permanent teeth. If they don’t come in on time, there may not be enough space for the permanent teeth when they’re ready to erupt at around 7 years of age.

If you’re noticing a delay in eruption, it could be due to thick gums. In extreme cases, your dentist may need to cut the gums where a tooth is trying to break through.

Timely eruption of your child’s teeth is important, but there’s no need to stress. Simply keep an eye on the timetable and make sure your child’s teeth are coming in roughly on time. If you’re concerned, your pediatric dentist can ease your worries and see if there’s a problem.