What Is Platelet-Rich Plasma in Dental Surgery
Platelet-rich plasma (PRP) is a small volume of your own blood that has been spun in a centrifuge to concentrate the platelets. Surgeons place it at the surgical site to support clotting and tissue repair.[2]
Platelets carry growth factors. These are signaling proteins that help the body recruit cells involved in wound healing, soft tissue repair, and bone formation. By concentrating platelets above normal blood levels, PRP delivers a higher dose of these factors directly to the surgical site.[2][9]
In dental surgery, PRP is most often used as an adjunct, meaning it supports a primary procedure rather than replacing it. Oral and maxillofacial surgeons, periodontists, and some general dentists use PRP during bone grafts, sinus lifts, extractions, and gum surgery.[8][9]
How PRP Is Prepared and Applied
PRP is made by drawing a small blood sample from your arm, then spinning it in a centrifuge to separate platelets from red blood cells and most plasma. The platelet-rich layer is collected and applied to the surgical site.[2]
A typical preparation takes 10 to 20 minutes and uses 10 to 60 milliliters of blood, depending on the system. Some protocols add calcium chloride or thrombin to activate the platelets so they release their growth factors at the site.[2][9]
Once placed, PRP can be combined with bone graft particles, used as a membrane-like layer over a wound, or injected into a joint space. The form depends on what the surgeon is treating.[8][9]
PRP vs. PRF and Other Concentrates
PRP, platelet-rich fibrin (PRF), and concentrated growth factor (CGF) are all autologous platelet concentrates, but they differ in how they are prepared and how they behave at the surgical site.[6][8]
PRF is spun without anticoagulants and forms a soft, gel-like fibrin clot that releases growth factors slowly over days. Newer protocols, sometimes called extended PRF, aim to lengthen this release further.[6] The choice between PRP and PRF often depends on the procedure and surgeon preference.
When Dental Specialists Use PRP
Dental specialists use PRP in procedures where supporting bone formation, soft tissue healing, or graft integration is important. Oral surgeons, periodontists, and implant-focused providers are the most common users.[8][9]
Sinus Augmentation and Implant Site Grafting
Sinus lift procedures add bone to the upper jaw so dental implants can be placed in patients who have lost bone height. A 2023 systematic review in Cells examined PRP, PRF, and CGF combined with bone grafts in maxillary sinus augmentation and reported these concentrates may support new bone formation, though study designs varied.[8]
Surgeons may also use PRP when grafting an extraction socket to preserve ridge volume for a future implant. Evidence quality differs across studies.[9]
Tooth Extractions and Wisdom Teeth
After lower wisdom tooth removal, some surgeons place PRP or PRF in the socket to reduce swelling, pain, or dry socket risk. A 2020 Cochrane review of surgical techniques for mandibular wisdom tooth removal found that evidence on adjuncts like platelet concentrates remains limited and outcomes vary across trials.[10]
A 2023 narrative review in Dental and Medical Problems summarized that PRP and PRF in oral surgery may shorten soft tissue healing time in some scenarios, but study heterogeneity limits firm conclusions.[9]
Periodontal and Gum Surgery
Periodontists use platelet concentrates in regenerative procedures for furcation defects, where bone is lost between the roots of molars, and in root coverage surgeries for gum recession. A 2024 systematic review with meta-analysis in Periodontology 2000 reported PRF can improve clinical outcomes in furcation defect treatment compared with conventional surgery alone.[4]
A separate 2024 Periodontology 2000 review on root coverage found autologous platelet concentrates may add benefit in some grafting protocols, though effect sizes are modest and not uniform across studies.[3]
Temporomandibular Joint (TMJ) Procedures
Some surgeons inject PRP into the temporomandibular joint as part of arthrocentesis, a procedure that flushes the joint space. A 2024 systematic review in the Journal of Medicine and Life noted that adjuncts like PRP are studied for arthrocentesis but management remains debated, with no single approach established as superior.[5]
Evidence and Effectiveness
Research on PRP in dentistry has grown but remains uneven, with stronger evidence for some applications and weaker evidence for others. Patients should expect honest discussion of what is and is not well supported.[2][9]
PRP preparation systems used in the United States are typically regulated as medical devices. The FDA has cleared centrifuge devices for preparing PRP through the 510(k) pathway, which confirms substantial equivalence to an existing device. This is different from FDA premarket approval (PMA) of PRP itself for a specific dental indication. Clinical use of PRP in dentistry is often considered off-label or at the surgeon's discretion.[2]
Research demonstrates that platelet concentrates can improve some outcomes in periodontal regeneration, particularly for furcation defects, based on a 2024 systematic review with meta-analysis.[4] For root coverage, evidence shows smaller and less consistent effects.[3] For sinus augmentation, a 2023 systematic review reported potential benefit when combined with bone graft, but called for more standardized studies.[8]
Outside dentistry, PRP has been studied in conditions like neurotrophic keratitis[1] and plantar fasciitis[7], which is why patients sometimes encounter PRP outside the dental setting. Findings from these fields do not directly translate to dental procedures.
Benefits and Limitations
PRP offers a biologic option that uses the patient's own tissues, but it is not appropriate for every case. Understanding both sides helps you have a useful conversation with your surgeon.
Potential Advantages
Because PRP is autologous, the risk of immune reaction or disease transmission from a donor is very low.[2] Preparation happens chairside in the same visit, so there is no separate appointment for the material.
In specific applications, particularly furcation defect regeneration and certain bone grafting scenarios, evidence shows measurable benefit when PRP or related concentrates are added to standard surgery.[4][8]
Limitations and Trade-offs
Evidence quality varies by procedure. Many studies are small, use different preparation protocols, and report inconsistent outcomes, which makes pooled conclusions difficult.[3][9][10]
PRP requires a blood draw, which not every patient prefers. Patients with bleeding disorders, active infections, or certain blood conditions may not be candidates. Costs are typically out of pocket.
Newer fibrin-based concentrates like PRF and extended PRF may release growth factors over a longer window than classic PRP, which is one reason some surgeons have shifted toward these protocols.[6]
Cost and Availability
PRP is offered as an add-on to a primary surgical procedure, so the cost shows up as a separate line on your treatment plan. Patients can typically expect a PRP add-on to range from about $200 to $1,500 per procedure. Costs vary by location, provider, and case complexity.
Dental insurance generally does not reimburse PRP because it is considered an optional adjunct rather than a covered surgical step. Medical insurance rarely covers it for dental indications. Ask your provider for a written estimate that lists the surgical fee and the PRP fee separately.
Availability is widest at oral and maxillofacial surgery practices, periodontal practices, and implant-focused offices. Smaller general dental offices may refer to a specialist when PRP is part of the plan.
Questions to Ask Your Specialist
Patients get the most value from PRP when they understand why it is being recommended for their specific procedure. The questions below help you compare options and avoid surprises.
According to the American Association of Oral and Maxillofacial Surgeons, patients should feel comfortable asking detailed questions about any surgical adjunct before agreeing to treatment.[11]
- Why are you recommending PRP for my specific procedure, and what outcome are you trying to improve?
- Will you use PRP, PRF, or a different concentrate, and why?
- What does the published evidence say about benefit for my specific procedure?
- What is the additional cost, and is any portion submitted to insurance?
- How is the blood drawn and processed, and how long does it add to the appointment?
- Are there reasons I might not be a candidate, such as a medication or health condition?
- What happens if PRP is prepared but cannot be used during the procedure?
Find an Oral Surgery Specialist
If you are considering a procedure that may involve PRP, such as a sinus lift, complex extraction, or bone graft, start with a board-eligible or board-certified specialist. Browse the oral-surgery page to find providers in your area and review their training, services, and patient resources.
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