Original Medicare (Part A and Part B) does not cover gum grafting in most cases. Medicare classifies gum grafting as a dental service, and its general rule is that dental procedures, including cleanings, fillings, extractions, dentures, and periodontal surgery, are excluded from coverage. You would pay 100% of the cost out of pocket. However, there are narrow exceptions and alternative coverage options worth understanding before you assume you’re entirely on your own.
Why Original Medicare Excludes Gum Grafting
Medicare was designed in 1965 with a broad exclusion for dental care, and that exclusion has never been fully updated. The program specifically lists routine cleanings, fillings, tooth extractions, dentures, and implants as non-covered services. Gum grafting, a periodontal procedure where tissue is used to rebuild receding gums, falls squarely into this dental category. It doesn’t matter whether your dentist or periodontist considers the grafting medically necessary for your oral health. Under Original Medicare’s rules, dental is dental.
This means Part B, which covers outpatient medical services, will not pay for a gum graft performed in a dental office or outpatient surgical center for periodontal reasons. Even if gum recession is causing you significant pain, sensitivity, or putting your teeth at risk of falling out, Original Medicare treats it the same as a cosmetic procedure when it comes to payment.
The Narrow Exceptions That Could Apply
Medicare does cover certain dental services when they are directly tied to a covered medical treatment. These exceptions are specific and limited. Medicare may pay for dental care, including oral surgery, in situations like these:
- Pre-transplant dental clearance: An oral exam and dental treatment before a heart valve replacement or a bone marrow, organ, or kidney transplant.
- Pre-chemotherapy infection treatment: Procedures like tooth extractions to treat a mouth infection before cancer treatment begins.
- Head and neck cancer complications: Treatment for dental complications that arise during head and neck cancer treatment.
- Dialysis-related dental care: Dental exams and treatment to remove oral infections before and during dialysis for people with end-stage renal disease.
For a gum graft to fall under one of these exceptions, it would need to be directly linked to the success of a covered medical treatment. For example, if you needed a transplant and your periodontist determined that a gum infection requiring grafting had to be resolved first, there could be a basis for coverage. But this is rare and requires clear documentation connecting the dental procedure to the medical one.
Part A can also cover dental services when you’re admitted as a hospital inpatient, either because the severity of the dental procedure requires hospitalization or because your underlying medical condition makes a hospital setting necessary. A standard gum graft performed in a periodontist’s office wouldn’t qualify. But if you have a serious medical condition (such as a bleeding disorder or heart condition) that makes the surgery risky enough to require hospital care, Part A could cover the hospital stay itself, even if it doesn’t cover the dental surgeon’s fee.
Medicare Advantage Plans May Cover It
Medicare Advantage (Part C) plans are sold by private insurance companies and often include benefits that Original Medicare does not. Dental coverage is one of the most common extras. Many Medicare Advantage plans cover routine dental services like annual cleanings, exams, X-rays, and more complex procedures like fillings and crowns.
Whether a specific Medicare Advantage plan covers gum grafting depends entirely on the plan. Some plans offer only preventive dental benefits (cleanings and exams), while others include what’s called “comprehensive” dental coverage that extends to periodontal procedures. If you’re already enrolled in a Medicare Advantage plan, call the plan directly and ask whether gum grafting (CDT codes D4263 or D4264 for connective tissue grafts) is a covered benefit. If you’re considering switching to a Medicare Advantage plan specifically for dental coverage, pay close attention to annual benefit caps, which commonly range from $1,000 to $3,000 per year for dental. A single gum graft can cost $600 to $1,200 per tooth, so a plan’s annual cap matters significantly if you need multiple sites treated.
Standalone Dental Insurance and Medigap
Medigap (Medicare Supplement) policies help cover Original Medicare’s out-of-pocket costs like deductibles and coinsurance, but their standardized benefits do not include dental. Some Medigap insurers do offer dental coverage as an add-on for an additional premium. About 1 in 8 Medicare beneficiaries were enrolled in Medigap plans with additional dental, hearing, or vision benefits as of 2020, according to the Commonwealth Fund.
A standalone dental insurance plan is another option. These are separate policies you purchase independently, and many cover periodontal procedures including gum grafting. The tradeoff is that most dental insurance plans impose waiting periods for major procedures. Expect to wait 8 to 12 weeks, and sometimes up to 12 months, before periodontal surgery benefits kick in. Plans also typically cover only 50% of major procedures and have annual maximums that may not fully cover the cost of grafting multiple teeth. Still, even partial coverage can make a meaningful dent in out-of-pocket costs.
When Gum Grafting Is Medically Necessary vs. Cosmetic
Understanding the clinical distinction between medically necessary and cosmetic gum grafting matters for insurance purposes, even if Original Medicare doesn’t recognize it. Cosmetic grafting is done primarily to improve the appearance of the gum line, creating a more uniform look or reducing the appearance of elongated teeth. Insurers that do cover gum grafting, whether through Medicare Advantage or standalone dental plans, are far more likely to approve claims when there’s a documented medical need.
Gum grafting is generally considered medically necessary when root exposure is causing significant tooth sensitivity, when exposed roots face a higher risk of decay, or when continued recession threatens the stability of the tooth. If your gums are receding rapidly, you have visible root surfaces, bleeding gums, or signs of active periodontal disease, your periodontist can document these findings to support a claim of medical necessity. This documentation is essential for getting coverage from any plan that does include periodontal benefits.
What You’ll Pay Without Coverage
If you’re paying entirely out of pocket, gum grafting typically costs between $600 and $1,200 per tooth, depending on the type of graft and your geographic area. Connective tissue grafts, the most common type, tend to fall in the middle of that range. If multiple teeth need treatment, costs can climb quickly into several thousand dollars. Many periodontists offer payment plans or work with medical financing companies, so ask about options before your procedure. Some dental schools also perform gum grafting at reduced rates through supervised training programs.