Receding Gums — When Grafting Helps, and When It Does Not

What Is Actually Exposed

A tooth has two surfaces, and they are not equivalent. The crown is covered in enamel — hard, smooth, and highly resistant. The root is covered in cementum, a thinner and considerably softer layer that was never designed to be exposed to the mouth. It sits below the gum line for a reason.

When gum recedes, that root surface becomes exposed. Three consequences follow:

• Sensitivity — exposed dentine tubules transmit cold and touch directly toward the nerve
• Decay risk — root surfaces decay more readily than enamel and at lower acid concentrations, which is why root caries becomes more common with age
• Appearance — the root is naturally darker and the tooth looks longer, which is the reason most patients raise the subject in the first place

None of this means every recession requires surgery. It means the situation deserves an actual assessment rather than reassurance or alarm.

Why Gums Recede

Recession is usually the end result of one of the following, or a combination.

• Periodontal disease — Inflammation destroys the attachment and the supporting bone, and the gum follows the bone down. This type tends to affect multiple teeth and is accompanied by bleeding and pocketing. It is the category where treating the disease comes first and always
• Brushing trauma — Firm brushing with a hard brush, particularly with horizontal scrubbing, physically wears the gum margin away. Characteristically it affects the teeth most prominent in the arch, is often worse on the side opposite the dominant hand, and coexists with a visible notch worn into the tooth at the gum line. The tissue here is usually healthy — it is being mechanically removed, not inflamed
• Thin gum biotype — Some people simply have thin, delicate gum tissue with a thin plate of underlying bone. Recession occurs more easily and with less provocation. This is constitutional rather than a consequence of anything the patient did
• Tooth position — A tooth sitting outside the envelope of bone, either naturally or after orthodontic movement, has very little bone on its outer surface to support the gum above it
• Clenching and grinding — Repeated lateral loading stresses the neck of the tooth and is frequently found alongside both recession and wear notches
• Frenum pull and piercings — A high muscle attachment can tug the gum margin with movement, and lip or tongue piercings produce a characteristic localised recession from direct contact

Identifying which of these applies is not academic. Grafting onto a cause that has not been addressed is the most common reason grafts relapse.

When a Graft Is Genuinely Indicated

Surgery is appropriate in specific circumstances, not by default.

• Progressive recession — documented change over time, especially where the band of firm attached gum is becoming narrow. Once that band disappears, the margin becomes fragile and inflamed easily
• Sensitivity that has not responded to desensitising measures over a reasonable trial
• Root decay or an abrasion notch at the exposed surface that needs coverage rather than repeated restoration
• Aesthetic concern in the visible zone, where an elongated tooth or a dark root affects the smile
• Before orthodontics in a thin biotype, where planned tooth movement would otherwise risk worsening the recession — this is preventive rather than corrective, and it is under-used
• Before a crown or veneer at a tooth with a thin margin, to establish stable tissue before the restoration is made

Equally, there are situations where the reasonable recommendation is to monitor: stable recession, no symptoms, an adequate band of firm tissue remaining, and a patient whose brushing technique has been corrected. Surgery that is not needed is still surgery.

The Techniques, and Why They Differ

"Gum graft" describes several distinct procedures with different purposes.

• Connective tissue graft — The most widely used approach for covering exposed roots. A thin layer of connective tissue is taken from beneath the surface of the palate and placed under the existing gum at the recipient site, then the gum is advanced over it. Because the graft is buried under existing tissue, colour and texture blend well — which matters in the front of the mouth
• Free gingival graft — A piece of tissue is taken from the palate surface and placed directly. It is very effective at creating a thick band of firm tissue, and the priority is stability rather than appearance. Colour match is less precise, so it is more often used where aesthetics are secondary or where the main goal is preventing further recession
• Tunnel technique — The graft is introduced through small openings rather than by making vertical releasing incisions. Fewer incisions generally means less disruption to blood supply and a more discreet result, and it suits cases with several adjacent teeth. It is technically demanding and not suitable for every defect
• Donor tissue substitutes — Processed graft materials can replace palatal tissue. The advantage is avoiding a second surgical site entirely, which is the part of recovery patients dislike. Outcomes are good in appropriate cases, though autogenous tissue remains the reference where tissue thickness is the priority

What Recovery Is Actually Like

Patients consistently report that the reality is less dramatic than anticipated, with one specific exception.

• The graft site itself is usually comfortable. It is protected, often covered with a dressing, and swelling is modest
• The palate, if tissue was taken from there, is the part people notice. It is typically described as similar to a burn from hot food, lasting several days and settling within one to two weeks. A protective plate can be made to cover it
• Eating — soft foods for around a week, nothing hot or sharp, and chewing away from the site
• Cleaning — no brushing of the surgical area for the period advised, usually replaced by a prescribed rinse. This instruction is genuinely important; mechanical disturbance in the first weeks is a leading cause of graft failure
• Timeline — normal activity the next day, sutures removed or dissolved within one to two weeks, tissue maturing over several months. Final appearance is judged at three to six months, not at two weeks

If You Are Travelling for This

Grafting is workable within a trip, with realistic planning.

• Allow around ten days in Korea — surgery, then a review and suture removal before departure
• Do not schedule it at the end of a packed itinerary. Soft diet and reduced activity for several days fits poorly with a final week of sightseeing
• Flying is generally acceptable after the first few days, but the review appointment is worth keeping before you leave rather than skipping it to catch an earlier flight
• Plan the follow-up at home — a dentist near you can check healing at three months. A copy of the surgical record makes that straightforward

Keeping the Result

A graft addresses the damage; it does not change what caused it. What protects the outcome:

• A soft brush and a corrected technique — small circular movements angled to the gum, no horizontal scrubbing, no pressure. If a hard brush caused the recession, resuming it afterwards produces the same result again
• Periodontal stability — where disease was the cause, ongoing maintenance is what prevents the next recession rather than the next graft
• A night guard where clenching is a factor
• Regular photographic review — comparison over time is the only reliable way to detect slow change, in the grafted site and elsewhere

The Short Version

• Receded gum does not grow back by itself, and no product restores it
• The decisive question is whether it is progressing — stable recession often needs monitoring rather than surgery
• The cause must be identified and corrected first, or the graft repeats the same outcome
• How much root can be covered is determined largely by the tissue between the teeth, not by technique alone
• The palate donor site is the part of recovery people notice, and substitute materials can avoid it in suitable cases

Frequently Asked Questions