Gum recession happens when the edge of your gum tissue pulls back from the tooth, exposing part of the tooth root that was never meant to be exposed. The tissue does not grow back on its own. Treatment ranges from changing how you brush to deep cleaning, and in some cases surgery to move gum tissue back over the root. What you can do depends on how far the recession has gone and what caused it.
What Happens When Gums Recede And How To Treat It?
Receding gums are not just a cosmetic problem. The gum tissue acts as a seal and a cushion. When it pulls away from the tooth, two things happen at once.
First, the root surface becomes exposed. Enamel covers the crown of the tooth, but the root is covered by a softer material called cementum. Cementum wears away faster than enamel. Once it is gone, the dentin underneath is exposed, and dentin has tiny channels that connect to the nerve. That is why receding gums often cause sensitivity to cold, heat, and sweets.
Second, a gap forms between the gum and the tooth. Dentists call this a periodontal pocket. Bacteria collect there, and you cannot clean it out with a toothbrush. If the pocket deepens, it can lead to bone loss around the tooth. Bone loss is what eventually causes teeth to loosen.
So recession is really two problems stacked on each other: an exposed root and a loss of the protective seal around the tooth.
What Causes Gums To Recede?
Most recession has a mechanical or inflammatory cause, and often both.
Gum disease is the most common driver. Bacteria in plaque trigger inflammation, and chronic inflammation breaks down the tissue and bone that hold teeth in place. This is the pathway that leads to pockets and bone loss.
Brushing too hard is the other big one. Scrubbing back and forth with a hard-bristle brush wears away gum tissue over years. This tends to show up as recession on the teeth you brush most aggressively, and it often comes with a worn notch at the gum line.
Other causes include:
- Grinding or clenching your teeth, which puts heavy force on the gums and bone
- Misaligned teeth or a bite that pushes force onto certain teeth
- Thin gum tissue that runs in families — some people simply have less tissue to begin with
- Hormonal changes, including pregnancy and menopause, which can make gums more sensitive
- Smoking, which reduces blood flow to the gums and hides early signs of disease
- Piercings in the lip or tongue that rub against the gum
- Aggressive flossing or using the wrong technique
One thing worth knowing: recession and gum disease are not the same thing, even though they overlap. You can have recession from hard brushing with no active disease at all. And you can have gum disease with pockets and bone loss before the gum line visibly moves. A dentist or periodontist can tell the difference, and the treatment is different.
How Do You Know If Your Gums Are Receding?
The most reliable sign is seeing more of the tooth than you used to. Teeth can look longer. You may notice a gap between teeth that was not there before, or a dark triangle of space near the gum line.
Other common signs:
- Sensitivity to cold, heat, or sweet foods
- Teeth that feel loose or shift when you bite
- Bleeding when you brush or floss
- Red, swollen, or tender gums
- Bad breath that does not go away
- A visible notch or ridge where the tooth meets the gum
Sensitivity is often the first thing people notice, because the exposed root has no enamel to shield it. If you have sensitivity on several teeth at the gum line, that is a reason to get it checked rather than just switching toothpaste.
Can Receding Gums Grow Back?
No. Gum tissue does not regenerate on its own once it has receded. This is the part most people do not hear clearly enough.
What you can do is stop the recession from getting worse and, in some cases, cover the exposed root with surgery. But the tissue will not return by itself, and no toothpaste or rinse will grow it back. Any product claiming to regrow gums is making a claim that current evidence does not support.
The realistic goal is to halt the process, protect the exposed root, and reduce symptoms. That is a meaningful goal even without regrowth.
What Treatments Actually Help?
Treatment depends on the cause and how much damage has occurred. There is no single fix.
For recession caused by hard brushing: switching to a soft-bristle brush and a gentler technique is the first step. This is not a minor point. Continuing to brush hard will keep wearing the gums down no matter what else you do.
For recession caused by gum disease: a deep cleaning, called scaling and root planing, removes bacteria from below the gum line. This is a standard clinical procedure for periodontal disease. It can reduce inflammation and slow the disease, though it does not restore lost gum or bone.
For sensitivity: desensitizing toothpastes can help block the tiny channels in exposed dentin. A dentist can also apply a protective coating or bonding material to the exposed root.
For coverage of the exposed root: a gum graft is the main surgical option. A periodontist takes tissue from the roof of your mouth or uses donor tissue and attaches it over the exposed root. This can cover the root and reduce sensitivity. It is a real procedure with real recovery time, and results vary by case.
For bite-related causes: adjusting the bite or using a night guard for grinding can reduce the force driving the recession.
Some clinicians also recommend treating the underlying causes — quitting smoking, managing conditions like diabetes that affect gum health — because those factors change how well any treatment works.
What Can You Do To Stop It From Getting Worse?
Prevention and slowing progression come down to a few consistent habits.
- Use a soft-bristle toothbrush and brush gently in small circles
- Do not scrub back and forth along the gum line
- Floss gently — do not snap the floss down onto the gums
- See a dentist regularly so recession and pockets can be measured over time
- If you grind your teeth, talk to your dentist about a night guard
- Quit smoking if you smoke
- Manage blood sugar if you have diabetes
Regular dental visits matter more than people think for this specific problem. Recession is often slow and painless until it is advanced. A dentist can measure the gum line and pocket depth and catch changes before they become hard to manage.
When Should You See A Dentist?
See a dentist if you notice teeth looking longer, new gaps between teeth, or sensitivity at the gum line. Do not wait for pain. Recession is usually not painful in its early stages, which is exactly why it goes unnoticed.
See a dentist sooner if you have:
- Loose teeth
- Bleeding gums that do not stop
- Persistent bad breath
- Pain when biting
- Rapid changes in how your teeth look or fit together
A general dentist can assess recession and refer you to a periodontist if surgery or advanced treatment is needed. The earlier the cause is identified, the more you can do to keep it from progressing.
Frequently Asked Questions
Can receding gums grow back naturally?
No, gum tissue does not grow back on its own once it has receded. Treatment focuses on stopping the recession and covering exposed roots with surgery when appropriate.
What is the main cause of receding gums?
Gum disease and aggressive brushing are the two most common causes. Grinding, genetics, smoking, and hormonal changes can also contribute.
Does brushing harder cause receding gums?
Yes, brushing too hard with a hard-bristle brush can wear away gum tissue over time. Switching to a soft brush and a gentler technique helps stop further recession.
Is gum recession a sign of gum disease?
Not always. Recession can happen from hard brushing without any active disease. But gum disease is a common cause, and a dentist can tell the difference by measuring pockets and bone loss.

