A periodontist is a dentist who specializes in the gums, jawbone, and other structures that support your teeth. While a general dentist handles cleanings, fillings, and overall oral health, a periodontist focuses specifically on preventing, diagnosing, and treating gum disease, and on placing dental implants. Think of the relationship like a family doctor versus a cardiologist: both are physicians, but one has deep expertise in a specific system.
What Periodontists Actually Do
The core of a periodontist’s work involves treating periodontal disease, the chronic inflammatory condition most people call gum disease. About 42% of American adults over 30 have some form of periodontitis, and that number climbs to nearly 60% for adults 65 and older. So this is not a rare problem. It ranges from mild gum inflammation to severe infection that destroys the bone holding teeth in place.
Within the dental profession, periodontists are considered specialists in both hard tissue (teeth and bone) and soft tissue (gums, cheeks, and the lining of the mouth). That dual expertise is what makes them the go-to specialists for dental implants. Placing an implant means surgically anchoring a titanium post into the jawbone and ensuring the surrounding gum tissue heals properly around it. A periodontist does both of those things routinely.
Training Beyond Dental School
Every periodontist first completes dental school, earning either a DDS or DMD degree. After that, they complete three additional years of residency training focused entirely on periodontal disease and surgical techniques. That residency includes hands-on experience with gum surgery, bone grafting, implant placement, and managing complex cases that general dentists typically refer out. Residents take the American Academy of Periodontology’s in-service examination each year during training.
This extra surgical training is the key distinction. General dentists learn the basics of gum health, but periodontists spend thousands of additional hours mastering the surgical procedures that treat advanced disease and rebuild damaged tissue.
Common Procedures
Scaling and Root Planing
This is the most common non-surgical treatment for gum disease. It’s essentially a deep cleaning that goes below the gumline. The periodontist removes plaque and tartar from the tooth roots and smooths the root surfaces so gums can reattach more easily. For pockets between 4 and 6 millimeters deep, this approach often produces better results than surgery, with less gum recession afterward. The national average cost runs about $242 per quadrant of the mouth, though prices range from $185 to $444 depending on location.
Pocket Reduction Surgery
When deep pockets remain after scaling and root planing, particularly pockets 6 millimeters or deeper, surgery becomes the next step. The periodontist folds back the gum tissue, removes infected tissue and bacteria from the root surfaces, then repositions the gums to fit more snugly around the teeth. The goal is to eliminate the deep spaces where bacteria thrive and make the area easier to keep clean at home.
Bone and Gum Grafting
Advanced gum disease destroys bone. When enough bone is lost, teeth loosen and may eventually fall out. Bone grafting uses natural or synthetic material to rebuild the jawbone and encourage new bone growth. Gum grafting works on a similar principle for receded gums: tissue is taken from the roof of the mouth or a donor source and attached where gums have pulled away from the teeth, protecting exposed roots and improving appearance.
Dental Implant Placement
Dental implants have a 98% success rate, and periodontists place a significant share of them. Because they work on gums and jawbone every day, they tend to use minimally invasive techniques, making the smallest incision necessary and drilling with high precision. If complications arise after surgery, the periodontist already has the expertise to manage gum and bone healing, since that’s their entire specialty.
Signs You Need a Periodontist
Your general dentist may refer you to a periodontist, but you can also request a referral or schedule directly if you notice certain warning signs. Persistent bleeding when you brush or floss is the most common early signal. Bad breath that doesn’t improve with good oral hygiene is another. More advanced symptoms include gums that have visibly pulled away from your teeth, loose or shifting teeth, and pain when chewing. Loose teeth in particular often indicate significant bone loss that requires a specialist’s evaluation.
Many people see a periodontist only after gum disease has progressed, but earlier visits lead to simpler, less costly treatments. If your general dentist mentions pocket depths above 4 millimeters during a routine exam, that’s a reasonable point to consider a specialist consultation.
What Happens at Your First Visit
A first appointment with a periodontist is diagnostic, not surgical. You’ll fill out paperwork covering your medical history, current medications, and dental insurance. The periodontist will ask about your dental hygiene routine, any pain or sensitivity you’ve noticed, and your history with gum problems. They’ll do a thorough examination of your gums, measure pocket depths around each tooth with a small probe, and likely take X-rays to assess bone levels. From there, they’ll explain what they’ve found and outline a treatment plan tailored to the severity of your condition.
Expect the visit to feel more like a consultation than a procedure. The goal is to map out exactly what’s happening in your mouth before any treatment begins.
Why Gum Health Affects the Rest of Your Body
Periodontal disease doesn’t stay in your mouth. The chronic inflammation it causes can spill into your bloodstream, and research has identified links between gum disease and several serious health conditions. People with moderate to severe periodontitis are more likely to have cardiovascular disease, as oral bacteria may contribute to the buildup of arterial plaque. Diabetes has a two-way relationship with gum disease: poorly controlled blood sugar worsens gum inflammation, and gum inflammation makes blood sugar harder to control. Diabetes is the only systemic condition with a confirmed direct association with the progressive bone loss seen in periodontitis.
The connections extend further. Pregnant women with active gum disease face higher risks of preterm birth, low birthweight, and pre-eclampsia. People with rheumatoid arthritis are more likely to develop moderate to severe periodontitis. Researchers have also found associations between periodontal disease and metabolic syndrome, obesity, and an increased risk of oral cancer. A periodontist treating your gum disease isn’t just protecting your teeth. They’re addressing a source of chronic inflammation that can ripple through your entire body.