Receding gums usually come down to a handful of causes — and often more than one at the same time. Understanding what's driving yours is the first step to stopping it, because the fix depends entirely on the cause.
Here's a plain-language look at why gums recede, how quickly it tends to happen, and when it's a sign to see a dentist.
The most common causes of receding gums
Gum (periodontal) disease
This is the leading cause. When plaque and tartar build up below the gum line, they trigger an infection that gradually destroys the gum tissue and the bone that holds your teeth in place. As the tissue breaks down, the gums pull back. Because early gum disease is often painless, it can progress quietly until recession appears.
Brushing too hard
Scrubbing with a hard-bristled brush or heavy pressure physically wears gum tissue away over time. It's one of the most common causes in people who otherwise take good care of their teeth — and one of the easiest to fix by switching to a soft brush and a gentler technique.
Genetics
Some people inherit thinner or more delicate gum tissue that's simply more prone to receding, even with good oral care. If a parent had recession, you may be more susceptible.
Teeth grinding and clenching
Grinding (bruxism) puts repeated stress on the teeth and the gums around them, which can speed up recession. It often happens during sleep, so many people don't know they do it until a dentist spots the wear.
Misaligned teeth or an uneven bite
When teeth don't line up evenly, some take more force than others during chewing. That uneven pressure can contribute to recession around the overloaded teeth.
Tobacco use
Smoking and smokeless tobacco both raise the risk of gum disease and recession, and tobacco also reduces the bleeding that would normally warn you something's wrong — so problems can go unnoticed longer.
How fast do gums recede?
There's no single answer. For many people recession is slow, developing over years, which is why it's easy to miss. But when active gum disease or heavy grinding is involved, it can progress noticeably faster. If you feel like your gums are receding quickly, that's worth having checked promptly, because rapid recession often points to an active cause that will keep going until it's treated.
'My gums feel like they're eroding' — what that means
That sensation — teeth looking longer, a rough notch near the gum line, or new sensitivity to hot and cold — is usually the exposed tooth root, which doesn't have the protective enamel that covers the rest of the tooth. It's a common early sign of recession and a good reason to get an exam before it advances.
When receding gums are a warning sign
Recession on its own is worth addressing, but combined with bleeding, tenderness, persistent bad breath, or a tooth that feels loose, it can signal more advanced gum disease. Those are signs to see a dentist sooner rather than later, since treating the underlying cause is what stops further loss.
Frequently asked questions
What is the number one cause of receding gums?
Gum (periodontal) disease is the most common underlying cause, though brushing too hard is a close second in people with otherwise healthy mouths. Frequently more than one factor is at work, which is why a dentist's exam is the best way to identify yours.
How fast do gums recede?
It varies widely. Recession is often gradual, developing over years, but active gum disease or heavy teeth grinding can make it progress much faster. Noticeably rapid recession usually means there's an active cause that needs treatment.
Why are my gums receding if I brush every day?
Brushing daily is good, but brushing too hard — or with a hard-bristled brush — can actually cause recession. Genetics, grinding, and gum disease can also drive recession even with good brushing habits. The technique and the underlying cause matter more than frequency alone.
Can receding gums be a sign of something serious?
They can be. When recession comes with bleeding, tenderness, bad breath, or loose teeth, it may indicate advanced gum disease that can threaten the support around your teeth. That combination is a reason to see a dentist promptly.
Find out what's causing yours
The only way to know for certain what's driving your recession is a hands-on exam. Find your nearest Ideal Dental to get it evaluated, and see our guide on how to stop receding gums for the treatment options once you know the cause. Prevention tips are in our guide to preventing receding gums.