Periodontal treatment is any procedure designed to stop gum disease from destroying the bone and tissue that hold your teeth in place. It ranges from deep cleaning (the most common starting point) to surgical procedures that reshape bone or regenerate lost tissue. The specific treatment you need depends on how far the disease has progressed, measured primarily by how much bone you’ve already lost and how deep the pockets between your gums and teeth have become.
How Gum Disease Is Classified
Periodontitis is categorized into four stages based on severity. Stage I involves 1 to 2 millimeters of tissue attachment loss with no tooth loss and pockets no deeper than 4 mm. Stage II involves 3 to 4 mm of attachment loss, still with no missing teeth, and pockets up to 5 mm. These two stages represent earlier disease where bone loss is confined to the upper third of the tooth root.
Stage III and IV are where things get more serious. Both involve 5 mm or more of attachment loss, with bone destruction reaching into the middle third of the root or beyond. Stage III means you’ve lost up to four teeth to the disease. Stage IV means five or more teeth are gone, and you may have teeth that are visibly shifting, drifting, or becoming mobile. At this point, the damage affects your ability to chew normally and often requires complex rehabilitation.
Beyond staging, your dentist also assigns a grade (A, B, or C) that reflects how fast the disease is progressing. Grade A means slow progression with no measurable bone loss over five years. Grade C means rapid progression, with 2 mm or more of bone loss over that same period. Smoking 10 or more cigarettes a day or having poorly controlled diabetes (with an HbA1c of 7% or higher) can bump your grade to C, which changes how aggressively your treatment needs to be.
Scaling and Root Planing: The First Step
For most people with early to moderate periodontitis, treatment starts with scaling and root planing, often called a “deep cleaning.” This is a nonsurgical procedure done under local anesthesia, typically over two visits (one side of the mouth at a time, though some offices do it all at once).
During scaling, your dentist or hygienist uses hand instruments or ultrasonic tools to remove plaque and hardite tartar from tooth surfaces both above and below the gumline. Root planing follows: the rough surfaces of your tooth roots are smoothed down so bacteria have a harder time reattaching. The goal is to shrink the infected pockets and give your gums a clean surface to heal against.
Scaling and root planing is effective, but it has limits. For deep pockets of 6 mm or more, the average reduction is about 2 mm, which typically isn’t enough to fully close those pockets. That’s why deeper disease often requires a second phase of treatment.
Local Antibiotics Placed in the Pocket
After scaling and root planing, your dentist may place a slow-release antibiotic directly into pockets that haven’t responded well enough. These aren’t pills you take by mouth. They’re tiny doses of medication tucked into specific problem spots.
One common option uses microspheres that release medication over about 14 days before dissolving completely. Another uses a gel system that delivers high concentrations of antibiotic directly to the pocket, reaching levels far higher than what an oral pill could achieve in that same tissue. The antibiotic stays concentrated right where the bacteria live, which makes it more targeted and avoids the side effects of systemic antibiotics.
Surgical Options for Advanced Disease
When nonsurgical treatment can’t adequately reduce pocket depth, surgery becomes necessary. The most common surgical approach is pocket reduction (also called osseous surgery). Your periodontist lifts the gum tissue back, cleans the root surfaces thoroughly, then reshapes the underlying bone to eliminate craters and irregularities where bacteria collect. The gum tissue is then sutured snugly against the recontoured bone.
Pockets that start at 7 mm or deeper show the most dramatic reduction with surgery. The trade-off is that reshaping bone and repositioning gum tissue means your gums will sit lower on the teeth afterward, exposing more root surface. This can cause sensitivity to temperature and make teeth look longer. For most people, the sensitivity fades over weeks to months, but the gum position change is permanent.
A less aggressive variant, the modified Widman flap, uses minimal tissue removal and reflection. It produces less gum recession than traditional osseous surgery while still allowing thorough cleaning of the root surfaces. Healing occurs through the formation of new tissue attachment at the gum-tooth interface.
Regenerative Treatments
When periodontitis has created deep vertical bone defects around a tooth, regenerative procedures aim to rebuild what was lost rather than simply reshaping what remains. These procedures use bone grafts, barrier membranes, or both.
Bone grafts come in several forms. Autografts use bone harvested from another site in your own mouth and are considered the gold standard because the living cells promote the best regrowth. The downside is a second surgical site that needs to heal. Allografts use processed bone from a human donor, and xenografts use bone from animal sources. Both avoid the need for a second surgical site.
Guided tissue regeneration uses a thin membrane placed over the bone defect after grafting. The membrane acts as a physical barrier, blocking fast-growing gum tissue from filling the space before slower-growing bone and ligament cells have a chance to regenerate. Without this barrier, soft tissue wins the race every time, and you end up with a gum-filled pocket instead of new bone.
Laser Periodontal Treatment
A newer alternative to traditional surgery is the LANAP protocol, which uses a specialized laser to treat diseased pockets without cutting or suturing. The laser selectively removes diseased tissue and bacteria from the pocket while leaving healthy tissue intact. A blood clot then forms against the clean root surface, and healing begins.
The FDA cleared the specific laser used in this protocol in 2016 as the only device in medicine or dentistry shown to achieve true regeneration of the bone, connective tissue, and root surface coating needed for full tooth support. Histological studies have confirmed new connective tissue attachment and new root surface formation at treated sites, with no long junctional epithelium (the weaker type of healing that sometimes occurs after conventional surgery). Radiographic studies have also documented clear bone regrowth following the procedure.
LANAP appeals to many patients because it involves less pain, less swelling, and faster recovery than traditional flap surgery. However, it’s not appropriate for every situation, and not every periodontist offers it.
Why Gum Disease Affects the Rest of Your Body
Periodontitis isn’t just a mouth problem. The bacteria responsible for gum disease can enter your bloodstream and trigger inflammation in blood vessels, contributing to endothelial dysfunction, which is a precursor to cardiovascular disease. Inflammatory molecules produced by diseased gums, including several that drive immune responses throughout the body, also spill into the bloodstream and raise systemic inflammation markers.
The relationship with diabetes runs in both directions. Poorly controlled blood sugar accelerates gum disease progression, and the chronic inflammation from periodontitis can worsen insulin resistance and impair blood sugar control. Both conditions share elevated levels of the same inflammatory markers and oxidative stress pathways, creating a cycle where each condition fuels the other.
The encouraging news is that treating periodontitis produces measurable improvements beyond the mouth. Clinical trials have shown that periodontal treatment reduces systemic inflammation markers, improves blood vessel function, lowers blood pressure, and improves cholesterol profiles. These benefits take time to appear. Treatment initially triggers a brief spike in systemic inflammation, but by six months, the improvements in oral health translate to measurably better vascular function.
Recovery and What Healing Looks Like
Recovery depends on what was done. After scaling and root planing, your gums may be sore and tender for a few days, but most people return to normal eating within a week. Sensitivity to hot and cold is common as newly cleaned root surfaces are exposed but typically fades within a few weeks.
Surgical recovery takes longer. For gum grafts and flap procedures, the first week involves the most discomfort and dietary restrictions (soft foods only). By days 11 to 14, the tissue feels firmer and more secure. At three weeks, it begins blending naturally with surrounding tissue. Full integration and maturation typically takes two to three months, with studies showing that 85% of grafted tissue fully integrates within the first month. Bone grafts mature more slowly, and your periodontist will monitor healing with X-rays over several months.
Ongoing Maintenance After Treatment
Periodontal treatment doesn’t end when the procedure is over. Once you’ve had periodontitis, you need more frequent professional cleanings than the standard twice-a-year schedule. Most periodontists recommend visits every three to four months rather than every six.
The rationale is based on how quickly bacterial colonies re-establish themselves after cleaning and the individual risk each patient carries for disease progression. A three-month interval gives your dental team enough touchpoints to catch early signs of relapse before pockets deepen again or bone loss resumes. The exact frequency should be tailored to your specific risk profile, factoring in how well you maintain your home care, whether you smoke, and how your body responded to initial treatment. Some patients with stable, well-controlled disease can eventually stretch intervals to four or even five months, while others need to stay at three months indefinitely.