Losing a tooth is about more than just the gap you can see in your smile. Underneath the gums, important changes begin to happen in the jawbone almost immediately after a tooth is removed. Understanding these changes can help you make informed decisions about dentures and other tooth replacement options.
Why Teeth Are Important for Your Jawbone
Natural teeth do more than help you chew and smile; their roots also stimulate the jawbone every time you bite and chew. This stimulation keeps the bone healthy, strong, and active.
When a tooth is extracted, the root is no longer there to “exercise” the bone. Without this stimulation, the body begins to reabsorb the unused bone in a process called bone resorption.
Think of it like a muscle: if you stop using it, it gradually shrinks.
What Happens After an Extraction?
1. Bone Shrinkage Begins
In the first few months after an extraction, the jawbone in that area starts to reduce in height and width. This is completely natural, but it can happen quite quickly.
In fact, the greatest amount of bone loss usually occurs within the first 6–12 months after teeth are removed.
2. Changes to Facial Appearance
As the bone shrinks over time, it can affect the shape of your face. People who have been without teeth for many years may notice:
- Sunken cheeks
- Thinner lips
- More wrinkles around the mouth
- A “collapsed” appearance in the lower face
This is one reason dentures are important: they help support the lips and cheeks to maintain facial appearance.
3. Dentures May Become Loose
As the gums and bone continue to change shape, dentures that once fit well can become loose or uncomfortable. This is why denture wearers often need:
- Denture relines
- Adjustments
- Or replacement dentures over time
A changing jawbone is completely normal and expected after extractions.
Can Bone Loss Be Prevented?
Bone loss cannot be stopped entirely after extractions, but it can often be slowed down. Options that may help include:
- Wearing properly fitted dentures
- Immediate dentures after extractions (refer to our other blog post about immediate dentures for more information)
- Dental implants
- Regular denture reviews and relines
Maintaining good nutrition and oral health also plays a role in supporting the remaining bone and tissues.
The Importance of Regular Check-Ups
Even if you no longer have natural teeth, regular dental or denture check-ups are still important. Your mouth continues to change over time, and monitoring those changes helps keep your dentures comfortable, functional, and supportive.
Final Thoughts
Bone loss after tooth extraction is a natural process, but understanding it helps explain why dentures may loosen over time and why replacing missing teeth matters for both appearance and oral health.
If your dentures feel loose, uncomfortable, or you’ve noticed changes in your facial appearance, it may be time for a denture assessment or reline. Early intervention can make a big difference in comfort and confidence.
***For more information regarding immediate dentures, check out our other blog page