Receding Gums: Causes, Treatment Options, and How to Prevent Further Damage

If you have noticed that your teeth look longer than they used to, or if you feel a small notch near your gum line when you run your tongue along your teeth, you may be experiencing gum recession. It is one of the most common dental conditions in adults, yet most people do not realize it is happening until it has already progressed significantly. That is because gum recession develops slowly, often over years, without causing any pain in its early stages.

Gum recession occurs when the gum tissue that surrounds and protects your teeth gradually pulls away, exposing more of the tooth and eventually the root surface underneath. Once the root is exposed, the tooth becomes vulnerable to sensitivity, decay, and in advanced cases, loosening and loss. The roots of your teeth are not protected by enamel the way the crowns are. They are covered by a softer material called cementum, which wears down much more quickly when exposed to bacteria, acids, and the friction of daily brushing.

The good news is that gum recession can be managed effectively when caught early, and in many cases, further damage can be completely prevented. This guide explains why gums recede, how to recognize the signs at each stage, what treatment options are available, and what you can do at home to protect your gum line for the long term.

Key Takeaways

• Gum recession is the gradual loss of gum tissue that exposes the roots of your teeth. It affects approximately 88% of adults over 65 and can begin as early as your 20s or 30s.
• The most common causes are aggressive brushing, gum disease (periodontitis), genetics, teeth grinding (bruxism), and tobacco use.
• Gum tissue that has receded does not grow back on its own. However, treatment can stop the progression and, in more advanced cases, gum graft surgery can restore lost tissue and coverage.
• Early-stage recession can often be managed with improved brushing technique, professional cleaning, and regular monitoring. More advanced cases may require scaling and root planing, gum grafting, or the pinhole surgical technique.
• Prevention is the most effective strategy: use a soft-bristled toothbrush, brush gently, floss daily, address teeth grinding with a night guard, quit tobacco, and keep up with regular dental check-ups.

What Is Gum Recession?

Gum recession, also called gingival recession, is a condition in which the margin of the gum tissue surrounding a tooth wears away or pulls back, exposing more of the tooth or its root. According to the Cleveland Clinic , gum recession is a form of gum disease that makes teeth more vulnerable to cavities and can lead to bone loss, tooth mobility, and, if left untreated, tooth loss.

To understand why recession matters, it helps to understand the anatomy of a tooth. The part of the tooth you can see above the gum line (the crown) is protected by enamel, which is the hardest substance in the human body. Below the gum line, the root surface is covered by cementum, a much softer material that was never designed to be exposed to the oral environment. When gum tissue recedes and the root becomes exposed, the softer surface is suddenly exposed to bacteria, acids from food and drink, and the abrasive force of brushing. This is why patients with gum recession often experience sharp sensitivity to hot, cold, and sweet foods, and why exposed roots are significantly more prone to decay than enamel-covered surfaces.

Recession can affect a single tooth or multiple teeth, and it can occur on the front or back of the mouth. It often develops so gradually that patients do not notice it until a dentist points it out during a routine examination or until sensitivity becomes impossible to ignore.

What Causes Receding Gums?

Gum recession is rarely caused by a single factor. In most patients, it results from a combination of influences that weaken or damage the gum tissue over time. Understanding the causes is essential because it determines both the treatment approach and the prevention strategy.

Aggressive Brushing

This is one of the most common and most preventable causes of gum recession. Brushing too hard, using a medium- or hard-bristled toothbrush, or scrubbing the teeth in a back-and-forth sawing motion can physically wear away gum tissue over time. Many patients believe that brushing harder means cleaner teeth, but the opposite is true. Plaque is soft and can be removed with gentle circular motions. Excessive force damages the gums without improving cleaning effectiveness.

If the bristles of your toothbrush are splayed or flattened within a few weeks of use, you are almost certainly brushing too hard. A soft-bristled toothbrush, held at a 45-degree angle to the gum line and moved in gentle circular motions, is all that is needed for effective plaque removal.

Gum Disease (Periodontitis)

Periodontal disease is the most significant medical cause of gum recession. It begins as gingivitis (inflammation of the gums caused by bacterial plaque buildup) and, if untreated, progresses to periodontitis, a more severe condition in which the infection destroys the bone and connective tissue that support the teeth. As bone is lost, the gum tissue follows, receding further down the root. A thorough professional dental cleaning on a regular schedule is the most effective way to prevent plaque from progressing to gum disease.

Genetics

Research suggests that up to 30% of the population may be genetically predisposed to gum disease, regardless of how well they care for their teeth. Some people are born with thinner or more fragile gum tissue, which recedes more easily under stress. If your parents or siblings have experienced gum recession, you may be at higher risk and should be monitored more closely.

Teeth Grinding and Clenching (Bruxism)

Grinding or clenching your teeth, especially during sleep, places excessive lateral and compressive forces on the teeth and supporting structures. Over time, these forces can cause the gum tissue to recede, particularly on the side of the tooth that bears the most pressure. Bruxism is often undiagnosed because it occurs during sleep. Common signs include waking up with jaw soreness, headaches, or flat, worn-down tooth surfaces. A custom night guard can significantly reduce the forces transferred to the gums and teeth.

Tobacco Use

Smoking and chewing tobacco contribute to gum recession in multiple ways. Tobacco restricts blood flow to the gums, impairing the tissue's ability to heal and fight infection. Smokers are also more likely to develop heavy tartar buildup, which accelerates gum disease. Chewing tobacco, held directly against the gum tissue for extended periods, causes localized chemical irritation and tissue damage.

Misaligned Teeth or Bite

When teeth are crooked, overlapping, or when the bite does not come together evenly, certain teeth may bear disproportionate force during chewing. That concentrated force can damage the bone and gum tissue on the overloaded tooth, leading to localized recession. Orthodontic treatment to correct alignment can reduce this risk.

Hormonal Changes

Fluctuations in hormone levels, particularly during puberty, pregnancy, and menopause, can make gum tissue more sensitive, more inflamed, and more susceptible to recession. Women experiencing these hormonal shifts should pay particular attention to their gum health and may benefit from more frequent dental visits during these periods.

Other Contributing Factors

Lip or tongue piercings can rub against the gums and wear away tissue over time. Certain medications that cause dry mouth reduce saliva flow, which weakens the gums' natural defence against bacteria. Previous orthodontic treatment (braces) can also contribute to recession in some patients, particularly if teeth were moved through thin bone.

"Gum recession is almost always multifactorial. A patient might have a genetic predisposition to thinner gum tissue; combine that with aggressive brushing and undiagnosed nighttime grinding, and the result is recession that seems to appear out of nowhere. That is why we evaluate all of these factors together during an examination rather than pointing to a single cause." — Dr. Goli Ariafar, DDS — General Dentist, Skymark Smile Centre

Signs and Stages of Gum Recession

Gum recession is measured in millimetres by your dentist using a periodontal probe. Even 1 millimetre of recession is clinically significant, because it represents the beginning of root exposure. Recognizing the signs at each stage allows you to act before the condition becomes more difficult and expensive to treat.

Early Stage (1 to 2 mm of recession)

At this stage, recession is often invisible to the patient. You may not notice any change in the appearance of your teeth. However, you might begin to experience mild sensitivity to cold drinks or sweet foods, particularly on specific teeth. Your dentist can detect early recession during a routine examination by measuring the distance from the gum margin to a fixed reference point on the tooth. This is one of the key reasons why regular check-ups matter: early recession is treatable and often reversible with conservative measures.

Moderate Stage (2 to 4 mm of recession)

At this stage, the recession becomes more noticeable. You may see that certain teeth look longer than they used to. A visible line may appear near the base of the tooth where the colour changes from the white of the crown to the slightly yellow or darker shade of the exposed root. Sensitivity increases, and you may feel a small ridge or notch when you run your fingernail along the gum line. Plaque and tartar accumulate more easily on the exposed root surface because it lacks the smooth, protective enamel coating.

Severe Stage (4+ mm of recession)

Severe recession exposes a significant portion of the tooth root. At this stage, the risk of root decay, deep sensitivity, and tooth mobility increases substantially. The tooth may appear dramatically longer than its neighbours. In some cases, the recession extends so far that the tooth becomes loose or painful. Severe recession almost always requires professional intervention, often including gum graft surgery, to restore tissue coverage and protect the tooth from further damage.

Stage	Recession Depth	What You May Notice	Treatment Approach
Early	1–2 mm	Mild sensitivity; no visible change	Improved technique, monitoring, professional cleaning
Moderate	2–4 mm	Teeth look longer; visible root; notch at gum line	Scaling and root planing; bonding; possible graft
Severe	4+ mm	Significant root exposure; tooth mobility; pain	Gum graft surgery; pinhole technique; ongoing maintenance

Can Receding Gums Grow Back?

This is the question patients ask most often, and the honest answer is: no, gum tissue that has receded does not grow back on its own. Unlike bone, which can regenerate under certain conditions, gum tissue does not have the biological capacity to regrow once lost. There is no toothpaste, mouthwash, vitamin supplement, or home remedy that can reverse gum recession.

However, this does not mean the situation is hopeless. Two important things are true at the same time. First, the progression of recession can be stopped. If the underlying cause is identified and addressed (whether it is aggressive brushing, gum disease, bruxism, or another factor), the gum line can be stabilized, and further recession prevented. Second, in cases where the recession is moderate to severe, gum graft surgery can physically restore lost tissue and re-cover exposed roots. The key is catching the problem early and acting on it.

Be cautious of online claims suggesting that gum recession can be "healed" or "reversed" naturally. While improving your oral hygiene can reduce inflammation and prevent further recession, it cannot regrow tissue that has already been lost. If you see recession, the appropriate next step is a professional evaluation, not a home experiment.

Treatment Options for Gum Recession

The right treatment depends on how far the recession has progressed, what is causing it, and whether the patient is experiencing symptoms. Treatment ranges from conservative (non-surgical) approaches for early-stage recession to surgical procedures for moderate and severe cases.

Improved Oral Hygiene Technique

For an early-stage recession caused by aggressive brushing, the first step is to correct the brushing technique. Switch to a soft-bristled toothbrush (or a quality electric toothbrush with a pressure sensor). Brush at a 45-degree angle to the gum line using gentle circular motions, not horizontal scrubbing. Let the bristles do the work rather than applying force. This simple change can halt recession caused by mechanical trauma and is often all that is needed in the earliest stages.

Scaling and Root Planing (Deep Cleaning)

If gum recession is caused or worsened by periodontal disease, your dentist or hygienist will recommend scaling and root planing, a non-surgical deep cleaning procedure. Scaling removes plaque and tartar from tooth surfaces and below the gum line, reaching into periodontal pockets where bacteria have accumulated. Root planing smooths the root surfaces to remove bacterial toxins and to create a clean surface that allows the gum tissue to reattach more tightly to the tooth.

Scaling and root planing is performed under local anesthesia and is typically completed over two visits (one for each side of the mouth). For many patients with mild to moderate gum disease-related recession, this treatment can stabilize the gum line and prevent further loss.

Dental Bonding for Exposed Roots

When recession exposes the root surface and causes sensitivity or cosmetic concerns, your dentist can apply a tooth-coloured composite resin over the exposed root. This bonding material covers and protects the root surface, reduces sensitivity, and improves the appearance of the affected tooth. Bonding is a conservative, single-visit procedure that works well for localized recession on one or two teeth.

Gum Graft Surgery

For moderate-to-severe recession, gum graft surgery is the most established and predictable treatment. It involves taking a small piece of tissue, typically from the palate (roof of the mouth) or adjacent gum tissue, and surgically attaching it to cover the exposed root. There are three main types of gum grafts:

• Connective tissue graft: The most common type. A small flap is opened in the palate, and connective tissue from underneath is removed and stitched over the exposed root. The palate flap is then closed. This is preferred when root coverage is the primary goal.
• Free gingival graft: A small piece of tissue is taken directly from the surface of the palate and attached to the recession site. This is often used when additional gum thickness is needed to prevent further recession, particularly in patients with very thin gum tissue.
• Pedicle (lateral) graft: Gum tissue is borrowed from the area immediately adjacent to the recession site and rotated over to cover the exposed root. This is only possible when there is sufficient healthy tissue adjacent to the affected area.

Gum graft surgery is performed under local anesthesia, and dental sedation options (oral, nitrous oxide, or IV) are available for patients who experience anxiety during dental procedures . Recovery typically takes 1 to 2 weeks, during which a soft diet is recommended.

Pinhole Surgical Technique (PST)

The pinhole surgical technique is a newer, minimally invasive alternative to traditional gum grafting. Instead of cutting and suturing tissue from the palate, the dentist makes a small pinhole in the gum tissue above the recession site and uses specialized instruments to gently loosen and reposition the existing gum tissue down over the exposed root. Collagen strips are placed through the pinhole to stabilize the tissue in its new position.

The advantages of PST include no palatal donor site (so no wound on the roof of the mouth), less post-operative discomfort, and faster recovery. However, PST is not suitable for all cases, particularly severe recession with significant bone loss. Your dentist will evaluate whether PST is an option for your specific situation.

"The treatment we recommend always depends on the severity of the recession and the underlying cause. For early-stage cases, improving brushing technique and professional cleaning may be all that is needed. For moderate to severe cases, gum grafting remains the gold standard because it physically restores the tissue that has been lost and provides long-term protection for the root." — Dr. Amir Guorgui, BSc, DMD, MACSD — Lead Dentist, Skymark Smile Centre

How to Prevent Gum Recession

Prevention is more effective, less invasive, and far less expensive than treatment. The Canadian Dental Association emphasizes that maintaining healthy gums starts with establishing good oral care habits and visiting your dentist regularly for professional evaluation. The following habits directly reduce your risk of gum recession:

Use the Right Toothbrush and Technique

Choose a soft-bristled toothbrush or an electric toothbrush with a pressure sensor that alerts you when you are pressing too hard. Hold the brush at a 45-degree angle to the gum line and use gentle circular or sweeping motions. Never scrub horizontally. Replace your toothbrush every 3 months, or sooner if the bristles are frayed.

Floss Every Day

Flossing removes plaque and bacteria from between the teeth and below the gum line, areas that a toothbrush cannot reach. Plaque that remains between the teeth hardens into tartar and contributes to gum disease, which is the leading medical cause of recession. If traditional flossing is difficult for you, a water flosser is an effective, gentler alternative for the gums.

Address Teeth Grinding

If you grind or clench your teeth, talk to your dentist about a custom night guard. A night guard absorbs and distributes the grinding forces across the entire arch rather than concentrating them on individual teeth. This protects both the teeth and the gum tissue from the excessive pressure that causes recession. Over-the-counter night guards are available but are not as effective or comfortable as a custom-fitted version.

Quit Tobacco

Tobacco use in any form (smoking, vaping, chewing tobacco) damages gum tissue, restricts blood flow, impairs healing, and accelerates gum disease. Quitting tobacco is one of the single most impactful things you can do for your gum health. Talk to your dentist and your physician about cessation support.

Schedule Regular Dental Check-Ups

Your dentist measures gum recession in millimetres at every check-up. This allows early-stage recession to be caught before you notice it yourself and before it requires invasive treatment. For most adults, a dental check-up every 6 months is sufficient. Patients with a history of gum disease or recession may need visits every 3 to 4 months.

Correct Misalignment

If crooked teeth or an uneven bite are contributing to uneven force distribution, orthodontic treatment can help. Aligning the teeth ensures that chewing forces are distributed evenly across all teeth, reducing the localized stress that contributes to recession on individual teeth.

When to See a Dentist About Receding Gums

You should schedule an appointment with your dentist if you notice any of the following:

• Your teeth appear longer than they used to, or longer than neighbouring teeth.
• You can see a distinct colour change near the base of a tooth (where the whiter crown meets the darker root).
• You feel a notch or ridge when you run your fingernail along the gum line.
• You experience persistent sensitivity to hot, cold, or sweet foods and drinks, especially on specific teeth.
• Your gums bleed when you brush or floss, or they appear red, swollen, or puffy.
• You notice that a tooth feels loose or shifts position.

Even if none of these symptoms are present, recession can still be developing. The earliest stages are clinically detectable but not visible to the patient. This is why routine dental examinations are so important: your dentist can identify 1 mm of recession before it becomes a problem, and can take steps to prevent it from becoming 4 mm.

Gum Recession Treatment at Skymark Smile Centre in Mississauga

Skymark Smile Centre has been providing comprehensive dental care, including periodontal assessment and gum disease treatment, to patients in Mississauga and the western Greater Toronto Area for over 25 years. Our dental team evaluates gum health at every routine visit, measuring recession and pocket depths to catch changes early.

For patients with active recession, we offer the full range of treatment options: professional deep cleaning (scaling and root planing), dental bonding for exposed roots, and referral for gum graft surgery when indicated. We also provide custom night guards for patients whose recession is linked to bruxism, and sedation options for patients who experience anxiety during dental procedures.

If you are concerned about receding gums or have noticed any of the signs described in this guide, we encourage you to book a consultation . An examination with periodontal probing and, if needed, X-rays will give us a clear picture of your gum health and allow us to recommend the right course of action.

Understanding Gum Recession Is the First Step Toward Protecting Your Smile

Gum recession is common, but it is not inevitable. While genetics play a role, the majority of recession is driven by factors that are within your control: how you brush, whether you floss, whether you address grinding, and whether you keep up with professional dental care. The tissue that has already receded cannot grow back on its own, but it can be stabilized, protected, and in many cases surgically restored.

The most important thing you can do right now is pay attention. Look at your gum line in the mirror. Run your tongue along the base of your teeth. If something feels different, or if it has been a while since your last dental visit, schedule an appointment. One millimetre of prevention is worth ten millimetres of treatment.

Frequently Asked Questions

Can receding gums grow back on their own?

No. Once gum tissue has receded, it does not regenerate naturally. However, treatment can stop the recession from progressing further, and gum graft surgery can restore lost tissue and cover exposed roots. Early detection and intervention give the best outcomes.

How do I know if my gums are receding?

The earliest signs include increased sensitivity to hot, cold, or sweet foods on specific teeth, teeth that appear longer than they used to, a visible colour change near the base of the tooth (where the root is exposed), or a notch you can feel with your fingernail at the gum line. Your dentist can detect recession in its earliest stages during a routine examination.

Is gum graft surgery painful?

Gum graft surgery is performed under local anesthesia, so you should not feel pain during the procedure. Sedation options are also available for patients who experience dental anxiety. Post-operative discomfort is typically mild to moderate and managed with prescribed pain medication. Most patients recover within 1 to 2 weeks.

Does dental insurance cover gum recession treatment?

Most private dental insurance plans cover scaling and root planing (deep cleaning) as a periodontal treatment. Coverage for gum graft surgery varies by plan; some classify it as a major periodontal procedure and cover 50% to 80%. The CDCP covers medically necessary periodontal treatments. Contact your insurance provider for your specific coverage details.

Can gum recession cause tooth loss?

Yes, if left untreated. As gums recede, the supporting bone structure beneath them also deteriorates. Over time, the tooth loses its foundation and becomes loose. Severe, untreated gum recession is one of the leading causes of tooth loss in adults. This is preventable with early treatment.

What is the best toothbrush for receding gums?

A soft-bristled manual toothbrush or an electric toothbrush with a pressure sensor is recommended. The key is not the brand but the technique: gentle circular motions at a 45-degree angle to the gum line, without excessive pressure. If your toothbrush bristles splay within a few weeks, you are brushing too hard.

Is gum recession the same as gum disease?

Not exactly. Gum disease (periodontitis) is one cause of gum recession, but recession can also occur in people with healthy gums if they brush too aggressively, grind their teeth, or have a genetic predisposition. Gum disease always increases the risk of recession, but recession does not always mean you have gum disease.