🦷 How Many Teeth Humans Have | Full Guide to Baby, Adult & Wisdom Teeth (2025)

Table of Contents

Introduction

Have you ever wondered how many teeth humans have and why the number changes from childhood to adulthood? Teeth are one of the most important parts of our body، they help us eat, speak, and smile with confidence. From the tiny baby teeth we first grow to the wisdom teeth that appear later in life, every tooth has its role.

In this guide, we’ll explore how many teeth humans have, what kinds of teeth exist, when they grow, and how they work together to make a perfect smile.

🧒 How Many Baby Teeth Humans Have

Children are born without visible teeth, but underneath their gums, small tooth buds are already developing. These first teeth are called baby teeth or primary teeth.

Total number: 20 baby teeth (10 in the upper jaw and 10 in the lower jaw).
These teeth usually start appearing around 6 months of age.
By the time a child reaches 2½ to 3 years, all baby teeth have usually erupted.

These primary teeth help children chew food and speak properly. They also keep space for the permanent teeth that will grow later.

🧑 How Many Adult Teeth Humans Have

When a child turns about 6 years old, baby teeth begin to fall out and are replaced by adult teeth, also called permanent teeth.

So, how many adult teeth humans have?
👉 Adults have 32 permanent teeth in total (16 upper and 16 lower).

This includes the four wisdom teeth that appear at the back of the mouth. These permanent teeth are meant to last a lifetime if taken care of properly.

🦷 How Many Teeth Humans Have Without Wisdom Teeth

Not everyone develops wisdom teeth. Some people never get them at all.

If you exclude wisdom teeth, then the total number becomes 28 permanent teeth.
That means:

8 incisors
4 canines
8 premolars
8 molars (without wisdom teeth)

So, when someone asks how many teeth humans have without wisdom teeth, the answer is 28.

🧬 How Many Teeth Humans Have Including Wisdom Teeth

If all wisdom teeth erupt successfully, then the full count is 32 teeth.
This includes:

8 incisors
4 canines
8 premolars
12 molars (with 4 wisdom teeth)

Wisdom teeth usually appear between the ages of 17 and 25, and not everyone gets all four.

🧠 Types of Teeth and Their Functions

Humans have different types of teeth, each designed for a special purpose. Let’s understand them one by one:

1. Incisors (8 total)

Located in the front.
Sharp and flat.
Function: Cutting and biting food.

2. Canines (4 total)

Pointed teeth beside the incisors.
Function: Tearing food.

3. Premolars (8 total)

Located behind the canines.
Function: Crushing and grinding food.

4. Molars (12 total including wisdom teeth)

Broad and flat at the back of the mouth.
Function: Chewing and grinding food completely.

This variety allows humans to eat both plants and meat، that’s why our diet is called omnivorous.

🧩 How Many Sets of Teeth Humans Have

Humans grow two sets of teeth during their lifetime:

Primary (Baby) Teeth – 20 total
Permanent (Adult) Teeth – 32 total

These two sets replace each other naturally as we age. Unlike sharks or crocodiles, humans don’t continuously grow new teeth after adulthood.

🦷 How Many Canine Teeth Humans Have

Canine teeth are the sharp, pointed teeth on each side of the mouth، they give shape to your smile.
Humans have 4 canine teeth in total، two on top and two on the bottom.

These teeth are strong and help tear tougher food like meat or fibrous vegetables.

😬 How Many Wisdom Teeth Humans Have

Wisdom teeth are the last to erupt. Most adults develop 4 wisdom teeth, but some people may have fewer or none at all.
These teeth often appear between 17–25 years of age.

In some cases, wisdom teeth don’t have enough space to grow properly, causing pain or infection. Dentists may remove them if they cause problems.

So when you count wisdom teeth, how many teeth humans have changes from 28 to 32.

💡 Interesting Facts About Human Teeth

Teeth are harder than bones.
No two people have the same set of teeth، they are unique like fingerprints.
Enamel, the outer layer of your teeth, is the strongest substance in your body.
Teeth can’t repair themselves naturally once damaged.
Good dental hygiene can help you keep your natural teeth for life.

❓ FAQs About How Many Teeth Humans Have

1. How many teeth humans have in total?

Most adults have 32 teeth, including wisdom teeth.

2. How many teeth humans have without wisdom teeth?

They have 28 permanent teeth without counting wisdom teeth.

3. How many baby teeth humans have?

Children have 20 baby teeth, which later fall out.

4. How many adult teeth humans have?

Adults have 32 teeth, though some may have fewer if wisdom teeth are missing.

5. How many canine teeth humans have?

There are 4 canines، 2 on top and 2 on the bottom.

6. How many wisdom teeth humans have?

Usually 4 wisdom teeth, but some people may have none or fewer.

7. How many sets of teeth humans have in a lifetime?

Humans have two sets، primary (baby) and permanent (adult).

🧼 Dental Care Tips for Healthy Teeth

Brush at least twice a day with fluoride toothpaste.
Floss daily to remove food between teeth.
Avoid too much sugar or acidic drinks.
Visit your dentist every 6 months for checkups.
Replace your toothbrush every 3 months.

Keeping your teeth clean ensures that the 32 teeth you have stay strong and healthy for life.

💬 Final Thoughts

Now you know exactly how many teeth humans have and why the number can change depending on wisdom teeth.

Baby teeth: 20
Adult teeth: 32 (or 28 without wisdom teeth)

Every tooth matters from the first baby tooth to the last molar. Taking care of them helps you eat better, smile brighter, and stay confident every day.

🔗 Related Posts You Can Read Next

🪥 Types of Human Teeth and Their Functions Explained
😁 When Do Baby Teeth Fall Out and Adult Teeth Grow In?
🦷Why Wisdom Teeth Hurt and When to Remove Them
🪞 Top Dental Hygiene Tips for a Perfect Smile
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