Why Do We Have Baby Teeth

baby smiling showing teeth

Have you ever wondered why we have baby teeth? Some people might be tempted to think baby teeth don’t matter since we lose them eventually, but our starter set of teeth, known as milk teeth or “deciduous” teeth, are actually very important.

Purpose of Baby Teeth

Since humans are mammals, we are born with twenty primary teeth already in our jaw. Teething begins between six and twelve months of age, and by age three, children usually have their full compliment of baby teeth. Although you can’t see it, permanent teeth are forming within the jaw while children’s baby teeth are in use.

A child’s jaw is simply too small to hold the number and size of permanent adult teeth that they will eventually have. (What a nightmare that would be if they were. Giving birth would be nearly impossible!) After the child’s skull has developed and grown, usually by the age of about nine to eleven, their jaw is large enough to hold up to thirty-two permanent adult teeth.

Essentially, baby teeth are placeholders for permanent teeth and serve as a guide for where they should grow in. When a child loses a baby tooth early due to decay, space for the permanent tooth is lost too. This can lead to dental crowding when the adult teeth come in. Not only that, but baby teeth help kids speak and chew properly, too.

Cavities in Baby Teeth

Even though we lose our baby teeth, they can still get cavities so it’s important to bring your children for pediatric dental visits. The American Academy of Pediatric Dentistry (AAPD) recommends that a newborn should see a dentist as soon as their teeth begin to appear. Usually these are just “well-baby checkups” that allow your dentist to examine the child’s mouth for decay or other problems. These are also a great opportunity to ask the team at Farmington Dental & Orthodontics about how to clean or brush your child’s teeth until they can take over the task themselves. Dr. Trogdon is very comfortable working with children as young as six months old.

Family Block Appointments

We know how tough it can be getting the whole family to all of their appointments in their busy over-scheduled lives! To help lessen the stress of that, we offer family block scheduling, which allows all the members of your family to have their appointments back-to-back or at the same time. This lets you to meet everyone’s dental appointment needs in one trip!

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Patient Reviews

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Lisa Hendrix
November 5, 2025
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From the time I walked through the door I was treated with understanding & kindness. Everyone that I dealt with are very knowledgeable, patient & kind. I had avoided dentists longer than I care to admit but once I found Nick Dollar I will never look for another dentist. I recommend his office to ANYONE who is looking for a dentist. No one asked me to give a review...I did it because I truly believe in his work, people skills & staff is top notch. I usually dont take this kind of time for reviews but they are worth it.
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Nicholas Rolfe
September 3, 2025
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So I’ve neglected going to the dentist for half my life and I decided to go here because this was the last place I went when I was 16. They still had me on file, Toni at the front desk was more than helpful. Full of laughter. The coffee machine was on point. And Ashley in the back made the scary experience enjoyable and full of positives that I will surely carry with me. See y’all at my deep clean.
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Baronger Bieger
May 13, 2025
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I've been going to Farmington Dental for years and have never had a negative experience. I only write this review now because I had a particularly helpful visit. While there for a routine cleaning, I got to talking with Kristin about the microbiology classes I teach. She made some observations that inspired me to approach the latter half of the semester differently, and it was a super helpful change! I guess all that is to say that the workers are competent...but also pleasant and helpful. :P
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Joshua O'Rourke
April 10, 2025
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I’ve had traumatic dental experiences in the past and am unfortunately one of those people who require a little more juice to get fully numbed. Farmington Dental not only managed to numb me completely but also prescribed an anxiety medication for the visit which helped ease the tension of getting in the chair. This is one of two dental experiences I can remember without experiencing pain and the other experience I was asleep. I’ll definitely be going back.
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