Why Do My Gums Recede? Common Causes and What You Can Do

Receding gums can make teeth look longer and cause sensitivity. Learn about common causes, what may help, and when to see a dentist.

21 de agosto de 2026 · 7 min ·por Welleness Guide

Receding gums can be easy to notice once you know what you are looking for. Your teeth may appear longer than they used to, the area near the gumline may look more exposed, or you may start experiencing sensitivity to hot or cold foods and drinks.

Gum recession happens when the gum tissue surrounding a tooth pulls back or wears away, exposing more of the tooth and sometimes its root.

It is not always a sign of a serious problem, but it should not be ignored either. Gum recession can have several causes, and understanding what is behind it is important because the best approach depends on the situation.

What does gum recession look like?

Healthy gums normally fit closely around the teeth. When the gumline moves downward on the lower teeth or upward on the upper teeth, more of the tooth becomes visible.

Some people notice the change gradually. Others first become aware of it because of tooth sensitivity.

Signs that may occur with gum recession include:

Teeth that appear longer than before
A visible change in the gumline
Sensitivity to hot, cold, or sweet foods and drinks
Exposed areas near the roots of the teeth
Small notches near the gumline
Tender or bleeding gums when gum disease is also present

Not everyone with sensitive teeth has gum recession, and not everyone with receding gums experiences sensitivity.

A dentist can determine whether the gumline has actually receded and look for possible reasons.

Gum disease is one possible cause

One of the most important causes of gum recession is periodontal disease, commonly called gum disease.

Plaque is a sticky film containing bacteria that constantly forms on the teeth. If it is not removed effectively, it can harden into tartar, which cannot be removed by regular brushing.

Over time, gum disease can damage the tissues that support the teeth. As the condition progresses, the gums may pull away from the teeth, making them appear longer.

Gum recession does not automatically mean someone has gum disease. However, if you notice receding gums along with bleeding, swelling, tenderness, persistent bad breath, or loose teeth, a dental examination is important.

The earlier gum disease is identified, the better the opportunity to control it and prevent further damage.

Brushing too hard can also affect the gumline

Brushing your teeth is essential, but more pressure does not mean a better clean.

Aggressive brushing, especially with a hard toothbrush or a harsh back-and-forth motion, may contribute to wear near the gumline and can irritate the gums.

A gentler technique is usually more appropriate. The National Institute of Dental and Craniofacial Research recommends using gentle, small circular motions rather than scrubbing hard back and forth.

If you regularly press hard when brushing, switching to a soft-bristled toothbrush and focusing on technique may be helpful. Your dentist or dental hygienist can also show you how to clean effectively without using unnecessary pressure.

Genetics and the natural shape of your gums can play a role

Not every case of gum recession is caused by poor oral hygiene.

Some people may naturally have thinner gum tissue or a gumline that is more prone to recession. The position of the teeth and the way they sit within the jaw can also influence how the gums fit around them.

This is one reason why two people can have similar brushing habits but experience different changes in their gums.

If recession is progressing despite good oral hygiene, your dentist may look at factors beyond brushing and plaque buildup.

Smoking is a major risk factor for gum disease

Smoking is strongly associated with gum disease and can also make treatment less successful.

One problem is that smoking can affect the way gum disease develops and may make certain warning signs less obvious. This means a person may not always notice the full extent of a problem without a professional examination.

Stopping smoking can benefit overall health as well as oral health, and it may improve the chances of successful treatment when gum disease is present.

Teeth grinding and other forces may contribute

Grinding or clenching your teeth places repeated force on the teeth and surrounding structures.

Teeth grinding is not considered the only explanation for gum recession, and it is important not to assume that every person with receding gums grinds their teeth. However, unusual pressure on the teeth may be one factor that a dentist considers when evaluating changes around the gumline.

If you wake up with jaw soreness, experience frequent headaches, notice worn teeth, or have been told that you grind your teeth, mention it during your dental visit.

Depending on the cause and severity, your dentist may recommend ways to reduce the effects of grinding.

Why exposed tooth roots can become a problem

The roots of your teeth are not covered by the same hard enamel that protects the visible part of the tooth.

When gum recession exposes the root surface, that area can become more sensitive and more vulnerable to decay.

This does not mean that every exposed root will develop a cavity. But it is one reason why keeping the area clean and monitoring changes is important.

If you have recession and sensitivity, your dentist may recommend specific products or treatments based on your individual situation.

Can receding gums grow back on their own?

Gum tissue does not generally grow back to its original position on its own.

That does not mean nothing can be done.

The first goal is usually to identify what is causing the recession and prevent it from getting worse. Depending on the cause, this may involve improving plaque control, changing brushing technique, treating gum disease, addressing tobacco use, or managing other contributing factors.

In some cases, a dentist or periodontist may recommend a procedure to cover exposed roots or restore lost gum tissue.

Whether treatment is necessary depends on factors such as how much recession is present, whether it is progressing, the health of the surrounding tissues, and whether there are symptoms such as sensitivity.

What can you do to protect your gums?

You cannot control every factor involved in gum recession, but there are practical habits that can support gum health.

Brush gently and consistently

Brush twice a day with fluoride toothpaste and avoid aggressive scrubbing. A soft-bristled toothbrush and gentle technique can clean your teeth without unnecessary pressure on the gums.

Clean between your teeth

Plaque can build up in areas that a toothbrush cannot reach easily. Floss or another interdental cleaning method recommended by a dental professional can help clean between the teeth.

Keep up with regular dental visits

A dentist or dental hygienist can identify changes in the gums that may be difficult to notice on your own.

Regular checkups are also important because tartar cannot be removed with ordinary brushing and flossing.

Avoid smoking

Smoking is a significant risk factor for gum disease. If you smoke, quitting can benefit your oral health as well as your general health.

Pay attention to changes

Take note if your teeth begin to look longer, sensitivity develops, or the gumline seems to be changing.

You do not need to panic over every small difference, but gradual changes are worth mentioning at a dental appointment.

When should you see a dentist?

It is a good idea to schedule a dental visit if you notice that your gums are receding or if the change seems to be getting worse.

You should also seek professional advice if gum recession occurs with:

Bleeding or swollen gums
Persistent bad breath
Tooth sensitivity that continues or worsens
Pain when chewing
Loose teeth
Visible exposed roots

A dentist can examine your gums, measure the areas around your teeth, and determine whether gum disease or another factor may be involved.

The bottom line

Receding gums can happen for several reasons, including gum disease, aggressive brushing, smoking, and individual differences in gum tissue and tooth position.

The most important step is not to assume you know the cause based on appearance alone. Because gum recession does not usually reverse on its own, identifying the reason early can help prevent additional damage and protect the exposed areas of your teeth.

Gentle brushing, cleaning between your teeth, avoiding tobacco, and regular dental care are practical ways to support healthy gums.

If you notice that your gumline is changing, a dentist can help you understand what is happening and whether any treatment is needed.