It depends on how far the disease has progressed. Gingivitis, the earliest stage of gum disease, is fully reversible with proper care. But once it advances to periodontitis, where the bone supporting your teeth starts to break down, there is no cure. Periodontitis can be slowed, managed, and stabilized, but the damage to bone and connective tissue cannot be completely undone on its own.
Gingivitis: The Reversible Stage
Gingivitis is inflammation of the gums caused by plaque buildup along and below the gumline. You might notice bleeding when you brush or floss, red or swollen gums, or persistent bad breath. At this stage, no bone loss has occurred. The inflammation is entirely in the soft tissue, which means your body can heal completely once the irritant (plaque and tartar) is removed.
For most people, reversing gingivitis takes a professional cleaning followed by consistent daily brushing and flossing. Improvements often show up within a couple of weeks: less bleeding, pinker gums, reduced swelling. This is the only window where “cure” genuinely applies to gum disease.
When Gingivitis Becomes Periodontitis
Left untreated, gingivitis can progress to periodontitis. The key difference is structural damage. Bacteria work their way deeper below the gumline, and your immune response starts breaking down the bone and fibers that anchor teeth in place. Pockets form between the gums and teeth, creating spaces that trap more bacteria and accelerate the cycle.
Once bone is lost, it doesn’t grow back through normal healing. The goal of treatment shifts from cure to control: stop the infection, prevent further bone loss, and keep your remaining teeth stable for as long as possible. Many people live with well-managed periodontitis for decades without losing additional teeth, but they need ongoing professional care to stay there.
How Periodontitis Is Treated
The first line of treatment is scaling and root planing, often called a “deep cleaning.” Your dentist or hygienist uses specialized instruments to remove hardened plaque (tartar) from below the gumline and smooth the root surfaces so gum tissue can reattach more snugly. The procedure is done in sections of your mouth, and each section typically costs $150 to $350 without insurance. Local anesthesia is common because the cleaning goes deeper than a routine visit.
After a deep cleaning, your gums are re-evaluated, usually four to six weeks later. If pockets have shrunk and bleeding has stopped, you move into a maintenance schedule. If deep pockets remain, your dentist may recommend surgical options. Flap surgery folds back the gum tissue so the roots and bone can be cleaned more thoroughly, then repositions the tissue to reduce pocket depth.
Bone and Tissue Regeneration
For patients who have lost significant bone, regenerative procedures can partially rebuild what was lost. Guided tissue regeneration uses a thin membrane placed between the bone and gum tissue, giving bone cells space to regrow without faster-growing soft tissue crowding them out. Bone grafts, sometimes combined with these membranes, fill in defects and provide a scaffold for new bone formation. Clinical data show vertical bone gains of around 7 millimeters and horizontal gains up to 9 millimeters in successful cases. These procedures don’t restore bone to its original level in every situation, but they can meaningfully improve the support around affected teeth.
Why Smoking Changes the Outcome
Smoking is one of the strongest modifiable risk factors for gum disease, and it dramatically undermines treatment. Smokers heal 50 to 75 percent worse than nonsmokers after periodontal procedures. In concrete terms, after a deep cleaning, nonsmokers typically see about 1.9 millimeters of pocket depth reduction, while heavy smokers see roughly 1 millimeter. The gap holds for surgical treatments too: nonsmokers regain about 1 millimeter of attachment to the tooth root on average, while smokers regain only about 0.2 millimeters.
These aren’t small differences. They can mean the difference between keeping a tooth and losing it. Quitting smoking before or during periodontal treatment is one of the single most effective things you can do to improve your prognosis.
The Role of Oral Probiotics
Researchers are exploring whether beneficial bacteria can help tip the balance in your mouth away from the harmful species that drive gum disease. Several strains of Lactobacillus and Bifidobacterium have shown the ability to inhibit the growth of key periodontal pathogens in lab settings. Some can break down bacterial biofilms by more than 90 percent and reduce the ability of harmful bacteria to attach to gum tissue. Strains like Lactobacillus reuteri and Streptococcus salivarius are already available as commercial oral probiotic products.
The caveat: most of this evidence comes from laboratory studies rather than large-scale trials in people with active periodontitis. Probiotics are not a replacement for professional treatment, but they may eventually become a useful add-on for keeping harmful bacteria in check between visits.
What Long-Term Maintenance Looks Like
Once you’ve had periodontitis, you’re managing it for life. The standard recommendation is professional maintenance cleanings every three to four months, rather than the six-month schedule used for people with healthy gums. These visits aren’t just cleanings. Your hygienist measures pocket depths, checks for bleeding, and monitors whether bone levels are holding steady.
Between appointments, the daily routine matters just as much. Brushing twice a day with a soft-bristled or electric toothbrush, flossing or using interdental brushes to clean between teeth, and possibly using an antimicrobial mouth rinse all help keep bacterial levels low enough that your immune system isn’t constantly inflamed. People who stick to this combined approach of professional and home care can maintain stable gum health for years, even with a history of significant bone loss.
The practical reality is that periodontitis behaves more like a chronic condition than an acute illness. You won’t get a single treatment that makes it go away permanently. But with consistent care, the disease can be controlled well enough that it no longer threatens your teeth or progresses further.