Teeth number diagram – Dental Care Professionals

At what age do kids' teeth fall out

There are many things to consider if you have a baby at home. It is possible to wonder when your baby’s first teeth will appear and when she can start to show signs of teething. Babies’ primary teeth may appear in any order. But most babies follow the same pattern.

The teeth of your child start developing before birth. However, they begin to appear at six months. This is when the bottom two middle teeth begin to show up, then the top two middle ones. The next set of teeth appears, the teeth to their left and right. This process continues until your baby has twenty little chompers. Although some children may be born with more than one tooth and others don’t have any until they are older than a year, this is the expected time for primary teeth eruption and the age they usually fall out.

At what age do kids’ teeth fall out?

Here’s a beautiful teeth number diagram to explain how baby teeth appear in the mouth and when they are removed.

Teeth number diagram

Variation in the times by up to 12 months is pretty standard. Most infant teeth are in the mouth before age two. There will be no significant change to the number of teeth until the age of five. So what your daughter may be experiencing is normal.

FYI, here are a few things that may affect the development of teeth (when teeth emerge or disappear):

  • Conditions that affect the development of the body (i.e., thyroid conditions, etc.) can result in speeding or slowing the growth of teeth.
  • Many crowding could lead to premature loss of baby teeth (your dental orthodontist can determine this). Crowding may also affect permanent teeth due to the lack of space for permanent teeth. Can solve problems with crowding through an orthodontist. Sometimes there isn’t enough space for all permanent teeth.
  • Large cavities may affect the time that permanent teeth are coming in (sooner or later based on various aspects)
  • Sometimes permanent teeth go missing or have erupted into the wrong location, which can cause baby teeth to hang around for longer (it is crucial to consult your dentist or an orthodontist to observe this using an x-ray). The teeth of babies are usually not missing, but it could occur too.

There are four classes of teeth: Incisors, Canines, Premolars, and Wisdom Teeth.

Most adults have 32 teeth, called permanent or secondary teeth:

  • Eight incisors
  • Four canines also called cuspids
  • Eight premolars also called bicuspids
  • 12 molars, including four wisdom teeth

Children have just 20 teeth, called primary, temporary, or milk teeth. They include the same ten teeth in the upper and lower jaw:

  • Four incisors
  • Two canines
  • Four molars

Standard Tooth Numbering


This process can take as long as two years. It is best to see a pediatric dentist before your baby’s first birthday. Your child’s pediatric dentist will examine your child’s teeth to ensure they are healthy and help you with any teething problems. Your child will be more likely to have healthy teeth habits throughout her life if she is comfortable going to the dentist from an early age.

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