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 a thorough deep cleaning to surgery that reshapes bone, and the right approach depends on how far the disease has progressed. When done consistently, comprehensive periodontal therapy keeps tooth survival rates above 95% over four years, with patients losing an average of only 0.14 teeth per year during long-term care.
How Gum Disease Is Measured
Before any treatment begins, a dentist or periodontist measures the depth of the space between each tooth and the surrounding gum using a thin probe marked in millimeters. Healthy gums fit snugly around teeth with pocket depths of 1 to 3 mm. Once pockets exceed 4 mm, bacteria can colonize below the gumline where a toothbrush can’t reach, and the bone supporting the tooth starts to break down.
Periodontitis is classified into four stages (I through IV) based on how much bone has already been lost, and three grades (A, B, and C) reflecting how quickly the disease is progressing. Stage I is early, with modest bone loss. Stage IV means teeth are at serious risk of being lost. A slow-progressing Grade A case and a rapidly advancing Grade C case at the same stage will need very different levels of intervention, which is why this two-axis system matters for planning treatment.
Scaling and Root Planing: The First Line of Treatment
The most common periodontal treatment is scaling and root planing, often called a “deep cleaning.” It’s a non-surgical procedure where a clinician uses hand instruments, ultrasonic scalers, or both to scrape away the hardened bacterial deposits (calculus) from tooth roots below the gumline. Root planing smooths the root surface so gum tissue can reattach more tightly, shrinking the pocket over time.
The clinical goal is to reduce pocket depths to 3 mm or less, a threshold considered compatible with periodontal health. In many cases, scaling and root planing alone achieves significant pocket reduction regardless of how deep the pockets were at the start. That said, pockets deeper than 6 mm are nearly impossible to clean perfectly, even for experienced clinicians. When pockets remain above 5 or 6 mm after deep cleaning, that’s typically the point where surgical options enter the conversation.
The procedure is usually done in two or more visits, with one side of the mouth treated at a time under local anesthesia. Expect some tenderness and sensitivity to hot and cold for a few days afterward. Your gums may feel tighter within a few weeks as inflammation subsides.
Locally Delivered Medications
After scaling and root planing, your clinician may place a small medicated chip or gel directly into pockets that haven’t responded well enough. These local delivery agents release either an antiseptic or a low-dose antibiotic over days to weeks, targeting bacteria right at the site of infection without the side effects of oral antibiotics.
Two of the most widely used products are a chlorhexidine chip and a minocycline microsphere. Both produce statistically significant reductions in pocket depth compared to deep cleaning alone. In clinical comparisons, the antibiotic microsphere tends to show faster initial improvement at six weeks, while the antiseptic chip continues to improve pocket depth out to three months. These aren’t standalone treatments. They work as add-ons to mechanical cleaning.
Pocket Reduction Surgery
When non-surgical treatment leaves pockets too deep to maintain, surgery becomes necessary. The most traditional approach is flap surgery combined with osseous (bone) surgery. A periodontist lifts the gum away from the tooth, gaining direct access to clean the root surfaces and the underlying bone. Irregular craters in the bone where bacteria thrive are smoothed and reshaped. The gum flap is then repositioned and sutured at a lower level, physically reducing the pocket depth.
After healing, your gumline will sit lower than before, which means more of the tooth surface is visible. This can make teeth look longer, something worth knowing ahead of time. Stitches dissolve or are removed within a couple of weeks, and full healing of the tissue takes several weeks beyond that. During recovery, expect some swelling and dietary restrictions, mostly soft foods for the first week or so.
Regenerative Procedures
Standard surgery removes diseased tissue and reshapes what’s left. Regenerative treatment goes a step further by attempting to regrow bone and attachment that gum disease has destroyed. This involves placing bone graft material into the defect, sometimes combined with a barrier membrane.
The membrane works by blocking fast-growing soft tissue cells from filling the space where bone needs to form. With those cells excluded, slower-growing bone-forming cells from the surrounding bone and marrow can migrate into the defect and rebuild it. Graft material can come from several sources: your own bone (the most biologically active option), donor tissue, animal-derived material, or synthetic substitutes. For smaller defects in otherwise healthy patients, synthetic or donor grafts often perform well. Larger defects or patients with lower healing potential may benefit from adding your own bone to the mix.
When grafting materials are combined with resorbable membranes, outcomes are generally favorable and comparable to results achieved with permanent membranes that would need to be surgically removed later.
Laser-Assisted Treatment
A newer alternative to traditional flap surgery uses a specialized laser to treat diseased pockets without cutting or suturing the gum. The most established protocol, called LANAP (Laser-Assisted New Attachment Procedure), follows a specific sequence: a first laser pass removes the diseased lining of the pocket and reduces bacterial load, then ultrasonic scaling cleans calculus from the root, and a second laser pass helps form a stable blood clot at the gumline that acts as a biological seal.
Patients who choose this route typically notice less bleeding and swelling compared to flap surgery, fewer or no sutures, and a faster return to normal eating and activities. Post-operative discomfort is generally lower, though recovery isn’t zero. Both LANAP and traditional surgery require the same follow-up schedule and long-term maintenance commitment. The key difference is that traditional surgery allows the clinician to directly visualize and reshape bone, making it the better choice when bone recontouring or complex regeneration is needed.
Why Maintenance Visits Matter
Periodontal disease is chronic. Active treatment can bring it under control, but without regular maintenance, pockets deepen again and bone loss resumes. The American Academy of Periodontology recommends that most patients with a history of periodontitis start with visits every three months, as this frequency is associated with a lower likelihood of the disease progressing compared to less frequent schedules.
Over time, your clinician may adjust the interval based on how stable your condition remains. Some patients eventually move to visits every four to six months, while others with aggressive disease stay on a three-month cycle indefinitely. Each maintenance visit includes probing to check pocket depths, removal of any new bacterial buildup below the gumline, and an assessment of your home care routine. The data on long-term outcomes is encouraging: in a large practice-based study, only about 4% of teeth were lost over the entire follow-up period among patients who stayed in maintenance programs, averaging less than one tooth lost per patient.
What You Can Expect Overall
Periodontal treatment typically unfolds in phases. The first phase is always non-surgical: deep cleaning, oral hygiene coaching, and possibly local medications. Your response is reassessed after several weeks. If pockets have closed to 3 mm or less, you move into maintenance. If stubborn deep pockets remain, surgical options are discussed for those specific sites.
The entire active treatment phase can span a few weeks to several months depending on severity. Recovery from non-surgical treatment is minimal, while surgical procedures may require a week or two of modified eating and activity. Throughout the process, your own daily cleaning habits are a major factor in the outcome. No professional treatment can compensate for poor brushing and flossing between visits. The combination of professional intervention and consistent home care is what keeps periodontal disease from coming back.