
If you’ve recently brought home a puppy, one common question you might have is when do dogs lose their baby teeth. Just like human babies, puppies go through a teething phase where their baby teeth fall out and are replaced by adult teeth.
Puppies typically begin losing their baby teeth at around 3 to 4 months of age, and the process continues until they are about 6 to 7 months old. During this period, your puppy may chew more, drool, or even experience mild discomfort.
Understanding when do dogs lose their baby teeth helps you support your puppy during this important development stage and avoid potential dental issues.
Puppy Teething Timeline (By Age)
Here is a complete timeline explaining when do dogs lose their baby teeth.
| Age | Teething Stage | What Happens |
|---|---|---|
| 3–4 Months | Initial Teeth Loss | Incisors (front teeth) begin falling out |
| 4–6 Months | Active Teething Phase | Canines and premolars are replaced |
| 6–7 Months | Final Stage | Adult teeth fully develop |
| 7–8 Months | Complete Set | 42 adult teeth are present |
This timeline clearly answers what age do dogs lose their baby teeth and how the process progresses.
When Do Dogs Start Losing Their Baby Teeth?

Most puppies start losing their baby teeth between 3 and 4 months old.
The first teeth to fall out are usually the incisors (front teeth). These small teeth are often replaced quickly, and many pet owners don’t even notice them falling out.
So if you’re wondering when do dogs start losing their baby teeth, the answer is around the 3-month mark.
When Do Dogs Start Losing All Baby Teeth?

The most intense phase happens between 4 to 6 months of age.
During this stage:
- Canine teeth (fangs) fall out
- Premolars are replaced
- Chewing behavior increases
This period answers the question when do dogs start losing their all baby teeth — typically during the 4–6 month teething phase.
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How Long Does It Take for a Dog’s Baby Teeth to Fall Out?

If you’re wondering how long does it take for a dog’s baby teeth to fall out, the process usually takes:
2 to 3 months total
- Starts at: 3–4 months
- Ends at: 6–7 months
By the time your puppy reaches 7 months, most or all baby teeth should be replaced by adult teeth.
Signs Your Puppy is Losing Baby Teeth
Recognizing signs of teething helps you understand when do dogs lose their baby teeth.
Common Signs
- Increased chewing behavior
- Drooling
- Mild bleeding from gums
- Irritability
- Finding tiny teeth on the floor or toys
These signs indicate your puppy is going through the natural process of losing baby teeth.
How Many Teeth Do Dogs Have?
Understanding tooth count also helps explain when do dogs lose their baby teeth.
| Stage | Number of Teeth |
|---|---|
| Puppy (Baby Teeth) | 28 teeth |
| Adult Dog | 42 teeth |
As puppies grow, their 28 baby teeth are replaced by 42 adult teeth.
What to Do During Puppy Teething

Supporting your puppy during teething is important.
Helpful Tips
- Provide safe chew toys
- Avoid giving hard objects that can damage teeth
- Keep valuable items out of reach
- Use cold chew toys to soothe gums
- Maintain good oral hygiene
Using proper care makes the phase of when do dogs lose their baby teeth easier for both you and your puppy.
When to See a Veterinarian
Sometimes the process of when do dogs lose their baby teeth may not go as expected.
Contact a Vet If:
- Baby teeth don’t fall out after 8 months
- Adult teeth grow alongside baby teeth
- Severe pain or swelling occurs
- Difficulty eating is noticed
This condition is called persistent baby teeth, and it may require veterinary treatment.
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Common Puppy Teething Problems
| Problem | Description |
|---|---|
| Persistent Teeth | Baby teeth don’t fall out |
| Overcrowding | Adult teeth grow incorrectly |
| Gum Inflammation | Swollen or painful gums |
| Excessive Chewing | Destructive behavior |
Understanding these issues helps you manage the stage of when do dogs lose their baby teeth effectively.
Conclusion
So, when do dogs lose their baby teeth? Most puppies begin losing their baby teeth at 3–4 months, go through the main teething phase at 4–6 months, and complete the process by 6–7 months.
This natural process is an important part of your puppy’s development. By understanding when do dogs start losing their baby teeth and how long it takes, you can better support your puppy through this stage.
With proper care, chew toys, and regular monitoring, your puppy will transition smoothly from baby teeth to a full set of strong adult teeth.


