Bone loss around teeth is very common. About 42% of adults aged 30 and older have some form of periodontal disease, the primary cause of jawbone loss. That number climbs to nearly 60% in adults 65 and older, according to national survey data from the CDC. Most cases are mild or moderate, but roughly 8% of adults have severe disease with significant bone destruction.
Why So Many People Are Affected
The jawbone around your teeth isn’t static. It constantly rebuilds and breaks down in response to the forces of chewing, the health of your gums, and signals from the rest of your body. When bacteria accumulate along and below the gumline, they trigger an inflammatory response. Your immune system sends inflammatory signals that, over time, activate specialized cells responsible for breaking down bone. Those cells get recruited to the inflamed area, multiply, and begin dissolving the bone that holds your teeth in place.
This process is slow in most people. Years of low-grade gum inflammation can chip away at bone without causing pain or obvious symptoms, which is why so many adults have some degree of bone loss without realizing it. The disease is progressive but not inevitable. People who maintain good oral hygiene and get regular cleanings can go their entire lives with minimal bone loss, while others lose significant bone by middle age.
Who Loses Bone Faster
Several factors accelerate the process beyond basic gum disease. Smoking is one of the strongest risk factors, both because it reduces blood flow to the gums and because it impairs the body’s ability to fight infection and repair tissue. Diabetes, particularly when blood sugar is poorly controlled, amplifies the inflammatory response in gum tissue and speeds bone breakdown. Osteoporosis, which weakens bones throughout the body, also affects the jaw and can worsen the impact of periodontal disease on the bone surrounding teeth.
Genetics play a role too. Some people mount a more aggressive inflammatory response to the same bacterial load, meaning their immune system does more collateral damage to surrounding bone. Hormonal changes during menopause can also reduce bone density in the jaw, making it more vulnerable to the effects of gum disease.
Signs That Bone Loss Is Happening
Bone loss around teeth is often painless in the early stages, which makes it easy to miss. The most common warning signs include:
- Gum recession: your teeth look longer than they used to because the gum tissue has pulled back, exposing more of the root
- Bleeding gums: especially when brushing or flossing
- Loose teeth: a sign that the bone anchoring them has significantly deteriorated
- Changes in your bite: teeth shifting position or fitting together differently
- Persistent bad breath that doesn’t improve with brushing
- Pain when chewing or pus along the gumline
By the time teeth feel loose, a substantial amount of bone has already been lost. Dentists detect bone loss earlier using a small probe that measures the depth of the pocket between each tooth and the surrounding gum. Healthy pockets are 1 to 3 millimeters deep. Deeper pockets indicate that bone and attachment have been lost. X-rays confirm how far down the bone level has dropped.
How Bone Loss Is Staged
Periodontists classify bone loss into four stages based on how much attachment between the tooth and bone has been destroyed. Stage I involves 1 to 2 millimeters of attachment loss and is considered early disease. Stage II, at 3 to 4 millimeters, is moderate. Stages III and IV involve 5 or more millimeters of loss, and at that point, teeth are at real risk of being lost. Stage IV typically also involves teeth that have already shifted, fallen out, or can no longer support normal chewing.
Most of the 42% of affected adults fall into the mild or moderate category (about 34% of all adults over 30). Severe disease affects closer to 8 to 9% of the population, with the highest rates among older adults, smokers, and people with uncontrolled diabetes.
Bone Loss After Tooth Extraction
Bone loss doesn’t only happen because of gum disease. When a tooth is removed, the bone that once supported it begins to shrink. The jawbone in that area can lose up to 50% of its width within the first year, and two-thirds of that shrinkage happens in the first three months alone. This is why dentists often discuss bone grafting or implant placement relatively soon after an extraction. Without something to stimulate and maintain the bone, the ridge continues to flatten over time, which can complicate future dental work and change the shape of your face.
What You Can Do About It
Bone that has already been lost doesn’t grow back on its own. Treatment focuses on stopping further loss and, in some cases, surgically regenerating bone with grafting materials. The most effective intervention is also the simplest: controlling the bacterial infection that drives the process. Professional deep cleanings remove hardened deposits from below the gumline, and consistent brushing and flossing prevent them from returning.
For moderate to severe cases, a periodontist may recommend flap surgery to access and clean deeper pockets, or bone grafts to rebuild areas where significant bone has been lost. These procedures can stabilize teeth that would otherwise need extraction, though outcomes depend heavily on how well the infection is controlled afterward.
Quitting smoking, managing blood sugar if you have diabetes, and treating osteoporosis all reduce the rate of ongoing bone loss. Regular dental visits, ideally every six months, catch early-stage disease before it progresses to the point where teeth become loose or need to be removed. Since bone loss around teeth rarely causes pain until it’s advanced, routine screening is the most reliable way to catch it early.