Receding gums happen when the gum tissue surrounding your teeth gradually pulls back or wears away, exposing more of the tooth root than normal. This process, called gingival recession, affects millions of adults and often develops so slowly that you don’t notice it until a tooth looks longer than usual or starts feeling sensitive to cold drinks. Understanding what’s happening, why it happens, and what can be done about it makes a real difference in catching it early and protecting your teeth long-term.
What Happens Inside Your Gums
Your gum tissue normally sits snugly around the base of each tooth, covering and protecting the root beneath. In recession, the edge of that tissue migrates downward (on lower teeth) or upward (on upper teeth), pulling away from the crown and exposing root surface to the open environment of your mouth.
The underlying driver is bone loss. Your gum tissue follows the level of the bone that supports it. When the thin plate of bone on the outer face of a tooth breaks down, whether from infection, pressure, or other causes, the gum tissue eventually settles to match that new, lower bone level. This bone defect on a single tooth surface is called a dehiscence, and it’s especially common on the front-facing side of teeth where the bone is naturally thinnest. Once the bone is gone, the gum has nothing to cling to, and recession sets in.
Common Causes and Risk Factors
Gum disease is the leading cause. When plaque and tartar build up along and beneath the gum line, the resulting bacterial infection slowly destroys the ligaments, soft tissue, and bone anchoring your teeth. As bone loss progresses, gums recede to match.
Aggressive brushing is the second major culprit. A hard-bristled toothbrush, or simply pressing too hard with any brush, physically wears away gum tissue over time. Research shows that hard bristles produce more surface loss than softer ones under the same amount of force, and the damage accumulates over years. People who brush vigorously often see recession on the outer surfaces of their canines and premolars first.
Other contributing factors include:
- Tobacco use, which restricts blood flow to the gums and accelerates tissue breakdown
- Teeth grinding or clenching, which places excessive force on the bone surrounding teeth
- Crooked or misaligned teeth, which concentrate biting forces unevenly
- Thin gum tissue (thin biotype), an inherited trait that makes some people more vulnerable from the start
- Lip or cheek piercings, which can rub against the gum and erode it mechanically
How to Spot It Early
The most obvious sign is visible root exposure. Your teeth may look longer than they used to, or you might notice a yellowish band near the gum line where the root surface (which is darker than enamel) is now showing. A notch or step where the tooth meets the gum is another visual clue.
Sensitivity is often the first symptom people actually feel. Exposed roots lack the thick enamel layer that insulates the rest of the tooth, so you may notice a sharp zing when drinking something hot, cold, or sweet. Brushing and flossing near the affected area can also feel uncomfortable, and dental cleanings may become more painful than they used to be. If your teeth feel slightly wiggly, recession has likely progressed enough to compromise the support structures underneath.
What Happens If You Ignore It
Recession doesn’t reverse on its own, and untreated cases tend to worsen. Exposed root surfaces are softer than enamel and far more vulnerable to decay. Bacteria can settle into the gap between the receded gum and the tooth, deepening infection and accelerating bone loss in a self-reinforcing cycle.
As more bone disappears, teeth become mobile. Moderate periodontitis erodes the ligaments and bone holding teeth in place, and advanced cases can lead to teeth loosening enough to fall out or require extraction. The jawbone itself can deteriorate, making future dental restoration more complicated.
Non-Surgical Treatment
For mild to moderate cases, the first step is typically a deep cleaning called scaling and root planing. It works like a regular dental cleaning but reaches beneath the gum line. Under local anesthesia, your dentist or hygienist removes plaque and tartar from both above and below the gums using hand instruments or ultrasonic tools, then smooths the root surfaces so the tissue can reattach more easily. The whole process takes one to two hours. Antibiotics may be placed directly around the roots or prescribed orally afterward to clear lingering bacteria.
Deep cleaning won’t regrow lost gum tissue, but it halts the infection driving the recession and can prevent further tissue loss. For many people, this treatment combined with improved home care is enough to stabilize the situation.
Surgical Options for Advanced Recession
When recession is significant enough to threaten tooth stability or cause persistent symptoms, surgery can rebuild the gum line. Several approaches exist, and the best choice depends on where the recession is, how severe it is, and the thickness of your remaining tissue.
Connective Tissue Graft
This is the most common graft type for teeth visible when you smile. A small piece of tissue is taken from beneath the surface of the roof of your mouth and stitched over the exposed root. Because the tissue comes from a deeper layer, it blends well with surrounding gum and produces a good color match. It’s often combined with repositioning the existing gum tissue upward (a technique called a coronally advanced flap) for the most predictable, long-lasting coverage.
Free Gingival Graft
This graft takes tissue directly from the surface of the palate rather than from beneath it. It’s best suited for areas that aren’t highly visible, particularly the lower front teeth where thin tissue, a shallow vestibule, or a tight lip attachment makes other approaches difficult. The trade-off is that the grafted tissue may not match the surrounding color as closely, and some shrinkage of the graft can occur over time.
Pinhole Surgical Technique
A newer, minimally invasive option that avoids grafting from the palate entirely. Your periodontist makes a tiny 2 to 3 millimeter hole in the gum above the affected area, then uses specialized instruments to loosen and slide the existing tissue down over the exposed roots. Small strips of collagen membrane are tucked through the pinhole to hold everything in place. There are no incisions, no flaps, and no sutures. Because the procedure doesn’t disrupt blood supply or create a second surgical site, it produces less pain than traditional grafting and can treat multiple teeth in a single visit.
Recovery After Gum Surgery
Most discomfort peaks in the first few days and noticeably improves within a week. Swelling can take two to three days to fully appear and up to two weeks to resolve completely. Some bleeding from the surgical site in the first 48 hours is normal.
Plan on eating soft foods for the first week, chewing on the opposite side of your mouth. Avoid pulling your lip or cheek back to inspect the area, as this can disturb the healing tissue. Don’t brush the surgical site directly. Instead, use an antiseptic mouthwash two to three times a day for two to four weeks to keep the area clean. Skip vigorous exercise for at least 24 hours, and avoid any contact sports or activities that could bump your mouth for two to four weeks. Non-dissolvable stitches are typically removed at a follow-up visit two to four weeks after the procedure.
How to Prevent Further Recession
Switching to a soft or ultra-soft bristled toothbrush is one of the simplest and most effective changes you can make. Soft bristles are more flexible, reaching a greater surface area while generating far less abrasion than medium or hard bristles. Research confirms that soft and extra-soft bristles are safe for long-term daily use without contributing to tissue damage.
Technique matters as much as the brush itself. The Bass method, widely recommended by dental professionals, angles bristles toward the gum line at about 45 degrees and uses short, gentle vibrating strokes rather than long scrubbing motions. This cleans effectively inside the gum pocket where plaque accumulates most, without traumatizing the tissue.
Beyond brushing, the fundamentals of gum health apply: floss daily to disrupt bacterial colonies between teeth, limit sugary or acidic foods that fuel plaque growth, and keep regular dental cleaning appointments so early recession or gum disease can be caught before it progresses. If you grind your teeth at night, a custom night guard reduces the mechanical stress that accelerates bone loss. And if you use tobacco in any form, quitting removes one of the strongest risk factors for both gum disease and recession.