What Causes Gum Recession and How It Is Treated

gum disease

Gum recession is one of those conditions that develops gradually enough that many people don’t notice it until it has already progressed. Teeth begin to appear longer than they used to. Sensitivity increases. notch becomes visible at the base of a tooth where the gum has pulled back. By the time the change is obvious, the tissue that was once there cannot simply grow back on its own.

Understanding what drives gum recession, what treatment options exist at each stage, and how to prevent it from progressing is the most useful thing a patient can know before it becomes a significant problem.

What Is Gum Recession?

Gum recession is the gradual exposure of the tooth root as gum tissue pulls away from the crown of the tooth. Roots are covered by cementum rather than enamel, which makes them both more sensitive and more vulnerable to bacterial attack once exposed. The further the gum recedes, the greater the exposure, and the more structural support the tooth loses over time.

Recession can affect a single tooth or multiple teeth simultaneously. It may be subtle, progressing over years before any symptoms are noticed, or it may be more rapid in the presence of active gum disease. What it does not do is reverse itself without intervention.

Signs and Symptoms to Watch For

The earliest signs of gum recession are often missed because they develop so incrementally. Common indicators include:

  • Teeth appearing longer or the gum margin visibly lower than it used to be
  • Increased sensitivity to temperature, sweetness, or touch, particularly at the base of the tooth where the root is exposed
  • visible notch or indent at the gum line
  • colour change at the base of the tooth, where yellowish or darker root surface becomes visible
  • Red, swollen, or bleeding gums, which often signal the underlying gum disease driving the recession
  • Loose teeth in more advanced cases where bone support has also been compromised

Swollen or bleeding gums that persist when brushing or eating are among the most reliable early signals that something needs professional attention, even before visible recession is apparent.

What Causes Gum Recession?

Gum recession rarely has a single cause. In most cases it results from a combination of factors working together over time.

Periodontal Disease

Periodontal disease is the most prevalent driver of gum recession. Bacterial infection of the gum and bone tissue causes the supporting structures of the tooth to break down progressively. As the supporting bone is lost, the gum tissue above it recedes. This is why gum disease treatment is often the first clinical priority when recession is identified, as halting the infection is necessary before any restorative tissue work can be effective.

Aggressive Brushing

Brushing too hard, or using a firm-bristled toothbrush, physically abrades the gum tissue over time. The gum line is gradually worn back by the mechanical action of brushing. This is one of the more preventable causes, since adjusting technique and switching to a soft-bristled brush, ideally with an electric toothbrush featuring a pressure sensor, can stop further abrasion-related recession immediately.

Genetics

Some individuals are predisposed to thinner gum tissue or a shallower zone of attached gingiva, both of which increase susceptibility to recession regardless of how well oral hygiene is maintained. Where a genetic predisposition is identified, more frequent monitoring and earlier intervention are the appropriate response.

Bruxism

The forces generated by grinding or clenching are transmitted through the teeth into the surrounding supporting structures. Over time, this sustained stress can contribute to bone loss and gum recession, particularly on the labial surfaces of the front teeth. Managing bruxism, typically with a custom occlusal splint worn at night, is an important component of preventing further recession where this is a contributing factor.

Malocclusion and Tooth Malpositioning

Teeth that sit outside the normal arch or are tipped in a way that directs excessive forces onto specific sites are at higher risk of localised recession. The gum and bone on the side facing the excessive force gradually give way. Orthodontic treatment to improve alignment can reduce this force distribution problem and, in some cases, allow the gum tissue to stabilise.

Tobacco Use

Smoking and smokeless tobacco restrict blood flow to the gum tissue, impair the immune response, and mask the bleeding that would otherwise signal early disease. Tobacco users are significantly more likely to develop both periodontal disease and recession, and healing after any gum treatment is considerably slower and less predictable.

Hormonal Changes

Hormonal fluctuations during pregnancy, puberty, and menopause make gum tissue more reactive to bacterial irritation. Patients in these periods are at higher risk of gingivitis developing and progressing, making consistent professional monitoring particularly important.

Non-Surgical Treatment Options

For mild to moderate recession, non-surgical approaches are the first line of management. The appropriate treatment depends on the underlying cause.

Improved Oral Hygiene Technique

Where aggressive brushing is contributing to recession, correcting technique alone can prevent further progression. Your dental team will demonstrate the correct method: soft circular motions at a 45-degree angle to the gum line, without applying pressure. An electric toothbrush with a pressure indicator is often recommended, as it provides feedback when force is excessive.

Scaling and Root Planing

Where gum disease is driving recession, scaling and root planing to halt recession removes the bacterial deposits from below the gum line and smooths the root surfaces to discourage reattachment. This is the necessary foundation before any other recession treatment can be effective. Without addressing the bacterial cause, recession will continue regardless of other interventions.

The importance of this procedure and what it involves in full is covered in detail for patients managing active periodontal disease.

Composite Bonding

For minor recession where sensitivity and aesthetics are the primary concerns, composite bonding can be applied to the exposed root surface. Tooth-coloured resin covers the area, reducing sensitivity and improving appearance. It is a non-invasive option but does not replace lost gum tissue and may require renewal over time.

Orthodontic Treatment

Where malpositioning of a tooth is directing excessive forces onto the surrounding gum and bone, Invisalign or fixed braces can gradually reposition the tooth within the arch. When this reduces the force distribution problem, the gum tissue at the affected site may stabilise or in some cases partially recover.

Occlusal Splint

Where bruxism is a contributing factor, a custom-fitted night guard redistributes the forces of grinding and clenching away from the teeth and gum margins. It does not reverse existing recession but prevents the ongoing mechanical trauma that drives further tissue loss.

Surgical Treatment Options

When recession is more advanced or where non-surgical approaches have been insufficient, surgical procedures offer more direct tissue restoration.

Gum Grafting

Gum grafting is the most established surgical approach and involves placing donor tissue at the site of recession to cover exposed root surfaces and restore the gum margin. There are three main techniques:

Connective tissue graft. tissue sample is taken from under the surface of the palate and sutured over the exposed root at the recession site. This is the most commonly performed graft technique and produces predictable, natural-looking results.

Free gingival graft. tissue sample is taken directly from the surface of the palate. This technique produces a slightly thicker band of attached gingiva and is often used where increasing the zone of attached tissue is a priority.

Pedicle graft. Where sufficient gum tissue exists adjacent to the recession site, a flap is created from that neighbouring tissue, remaining attached at one end, and repositioned to cover the exposed root. This has the advantage of not requiring a separate donor site.

Regenerative Procedures

Where recession has involved significant bone loss alongside tissue loss, regenerative membranes, bone graft material, or tissue-stimulating proteins may be used to support the body’s own healing response in rebuilding the supporting structures.

Pinhole Surgical Technique

Pinhole surgery is a less invasive alternative to traditional grafting for suitable cases involving multiple sites. Small access holes are made above the recession, instruments loosen and reposition the gum tissue to cover the exposed roots, and collagen strips stabilise the repositioned tissue. Recovery tends to be faster than with traditional grafting, and no separate donor site is required.

What to Expect During Recovery

Non-surgical treatment. Sensitivity and some soreness for a few days following scaling and root planing is normal. Warm salt water rinses from 24 hours post-procedure, gentle brushing around treated areas, and soft foods for the first few days support healing.

Surgical treatment. Surgical recession procedures are performed under local anaesthetic, with sedation available for anxious patients. Post-operative discomfort, swelling, and some minor bleeding are expected for the first few days. Prescribed pain medication and antibiotics, a soft diet for one to two weeks, and avoidance of brushing the surgical site are standard. Full integration of graft tissue takes several weeks to months.

If post-operative symptoms worsen significantly, spreading swelling or fever develops, or bleeding does not settle, urgent dental care is available.

Preventing Recession From Progressing

Whether recession is being managed non-surgically or has been treated surgically, the same principles apply to preventing further progression:

  • Use a soft-bristled toothbrush and gentle technique, never scrub horizontally
  • Brush twice daily and floss once daily to keep plaque from accumulating at the gum margin
  • Wear a night guard if bruxism is a factor
  • Attend regular professional monitoring at the interval your dentist recommends, which may be every three to four months if there is a history of gum disease
  • Avoid tobacco in all forms
  • Address hormonal risk periods with more frequent check-ups

According to the Australian Dental Association, early identification of gum recession through routine monitoring remains the most effective way to keep treatment options straightforward and outcomes better.

Welcoming Patients From Across the North Shore

We see patients from the surrounding area for gum recession assessments and treatment. If you’re based in Willoughby, Artarmon, or Castlecrag, our Chatswood practice is easy to reach for a thorough assessment of your gum health.

Ready to Address Your Gum Health?

Gum recession responds well to treatment when it is caught early. Whether the right approach is an adjustment to your brushing technique, professional deep cleaning, or surgical tissue restoration, our team at Simply Dental Chatswood will give you a clear picture of your situation and a practical plan.

Book your gum health consultation and take the first step toward protecting your teeth for the long term. Visit Simply Dental Chatswood to learn more about our approach to gum care.