What This Guide Covers and Who It Is For
This guide explains how platelet-rich fibrin works, when dentists use it, and what you should expect before, during, and after the procedure. It is written for anyone facing oral surgery, a dental implant, a bone graft, or gum tissue repair who wants to understand whether PRF may help.
PRF belongs to a family of treatments called autologous platelet concentrates, meaning the material comes from your own body. PRF was first developed in the early 2000s by Dr. Joseph Choukroun and represents a major advancement over earlier platelet concentrates that required chemical additives such as anticoagulants and bovine thrombin. [12] Today's PRF protocols use nothing but your blood and a centrifuge, making PRF one of the simplest biologic treatments available in dentistry. [9]
Throughout this guide you will find links to further reading on the oral-surgery page, where you can learn more about the procedures that commonly pair with PRF.
How PRF Works and Why Dentists Use It
PRF is a fibrin membrane rich in growth factors and immune cells that your body uses to repair tissue after surgery. Understanding how it forms and what it contains helps you see why oral surgeons add it to so many procedures.
How PRF Forms From Your Blood
Your blood is drawn into tubes that contain no anticoagulants or chemical additives. The tubes go into a tabletop centrifuge that spins at a controlled speed for about 8 to 12 minutes. During spinning, the blood separates into layers: red blood cells sink to the bottom, a golden fibrin clot forms in the middle, and a small amount of liquid serum rises to the top. [1]
The fibrin clot is the PRF membrane. Fibrin is a natural protein your body already produces when you cut yourself. It acts like a biological mesh. Trapped inside that mesh are platelets (tiny blood cells that trigger clotting and release growth factors), white blood cells (your immune defenders), and a slow-release supply of growth factors such as PDGF, TGF-beta, and VEGF. [5] These growth factors signal your body to build new blood vessels, form bone, and close wounds.
Because the fibrin network forms naturally, without synthetic chemicals, the growth factors release gradually over 10 to 14 days rather than all at once. This slow release is one of the main advantages PRF has over earlier platelet-rich plasma (PRP) preparations, which use anticoagulants and release growth factors more rapidly. [9]
Different Types of PRF
PRF protocols have evolved through several generations since the technique was first introduced in 2001. [12] The original protocol, called L-PRF (leukocyte and platelet-rich fibrin), remains widely used in oral surgery and implant dentistry. [1] A newer form called A-PRF (advanced PRF) uses lower centrifuge speeds and longer spin times to capture more white blood cells and growth factors. [3]
There is also an injectable form called i-PRF, produced at very low centrifuge speeds. Because i-PRF stays liquid for several minutes before clotting, it can be injected into gum pockets or mixed with bone graft particles. [4] A recent development, extended PRF, modifies tube coatings and centrifugation protocols to increase membrane size and growth factor concentration. [5] Your oral surgeon will choose the type that fits your specific procedure.
Common Clinical Uses
PRF is used across a wide range of dental and oral surgical procedures. A narrative review published in Transfusion Medicine and Hemotherapy in 2023 found that the most common applications include tooth extraction socket preservation, dental implant surgery, guided bone regeneration (bone grafts), sinus lift procedures, and treatment of gum recession. [6]
A systematic review and meta-analysis covering studies of periodontal intrabony defects (deep pockets around teeth caused by gum disease) found that adding PRF to surgical treatment resulted in greater pocket depth reduction and more clinical attachment gain compared to surgery alone. [8] In extraction sockets, PRF has been associated with reduced incidence of alveolar osteitis, commonly known as dry socket. [7]
An earlier systematic review of PRF across all areas of regenerative dentistry confirmed benefits in soft tissue healing, bone fill in extraction sockets, and improved outcomes around dental implants. [9] These findings support PRF as a useful add-on, though results vary based on patient health, smoking status, and the complexity of the procedure.
Practical Details: Preparation, Safety, and Candidacy
Most healthy adults who can undergo oral surgery are good candidates for PRF. Here is what you need to know before your appointment.
Who Can Receive PRF
Because PRF comes from your own blood, there is no age limit or blood type restriction. However, your surgeon will review your medical history. Patients on anticoagulant (blood-thinning) medications can typically still have PRF prepared, but the surgeon may coordinate with your physician to manage bleeding risk during the surgery itself. [6]
Conditions that affect blood quality, such as severe anemia, platelet disorders, or active blood cancers, may reduce the effectiveness of PRF. Smoking also impairs healing and may diminish the benefits of platelet concentrates. [7] If you have any of these conditions, your surgeon will weigh the risks and benefits with you.
How to Prepare
No special preparation is needed beyond what your surgeon already requires for the planned procedure. You do not need to fast before the blood draw unless your surgery requires general anesthesia or sedation, in which case fasting rules apply to the anesthesia, not the PRF.
Staying well hydrated in the 24 hours before your appointment makes the blood draw easier. Let your surgeon know about all medications and supplements you take, especially aspirin, ibuprofen, or fish oil, since these can affect platelet function.
Safety Profile
PRF has an excellent safety record. Because it is autologous (from your own body) and contains no animal products, synthetic chemicals, or bovine thrombin, the risk of allergic reaction or disease transmission is essentially zero. [9] A systematic review of advanced PRF and injectable PRF applications in oral and maxillofacial surgery reported no adverse events directly attributed to the PRF itself. [3]
The blood draw carries the same minor risks as any venipuncture: brief discomfort, minor bruising at the draw site, and rarely, lightheadedness. These resolve quickly and do not affect the surgical outcome.
What Happens During a PRF Procedure
PRF preparation takes place chairside and adds roughly 10 to 15 minutes to your appointment. Below is a step-by-step walkthrough of the process.
Step-by-Step Process
First, your surgeon or assistant draws a small amount of blood from your arm, typically one to four tubes depending on how many PRF membranes are needed. Each tube holds about 9 to 10 milliliters, so the total draw is similar to a routine blood test. [1]
The tubes are placed into a centrifuge immediately. Spinning takes about 8 to 12 minutes. While the centrifuge runs, your surgeon can begin preparing the surgical site, administering local anesthesia, or taking X-rays, so this step rarely adds idle waiting time.
Once the centrifuge stops, the surgeon removes the fibrin clot from each tube using sterile instruments. The clot is pressed between two gauze pads or placed in a special compression box to form a flat membrane. [1] This membrane can then be trimmed to fit the surgical site. In some cases, the surgeon will also collect the liquid exudate (fluid squeezed from the membrane) to mix with bone graft particles.
The PRF membrane is placed directly into the extraction socket, over a bone graft, under a gum flap, or around a dental implant. It acts as both a biological bandage and a slow-release growth factor delivery system. [5] The surgery then proceeds and is closed as it normally would be.
Recovery and Aftercare
Recovery after a procedure that includes PRF follows the same general guidelines as recovery without it. You will receive post-operative instructions from your surgeon about diet, oral hygiene, and activity restrictions. Research suggests that patients who receive PRF at extraction sites typically report less pain and swelling in the first few days compared to patients who do not receive PRF. [7]
The PRF membrane is fully biocompatible, so your body gradually absorbs it over one to two weeks. You do not need a second visit to have it removed. Follow your surgeon's instructions on rinsing, brushing near the site, and returning for a follow-up examination.
PRF Costs and Insurance Coverage
PRF typically adds $150 to $500 to the total cost of your oral surgery. The exact amount depends on several factors, and costs vary by location, provider, and case complexity.
The main variables that affect price are the number of PRF membranes prepared and whether injectable PRF (i-PRF) is also used. A single-tooth extraction may require one or two membranes, while a full-arch bone graft or sinus lift may need four or more. Each additional tube of blood drawn and processed adds to the laboratory fee. [1]
Most dental insurance plans do not cover PRF as a separate line item because it is considered an adjunctive (supplemental) procedure. Some plans may cover it partially when it is bundled with a covered surgery such as an extraction or implant placement. Ask your insurance provider and your surgeon's billing office about coverage before your appointment.
Even when PRF is an out-of-pocket expense, many patients and clinicians consider the potential for reduced complications, less post-operative pain, and improved healing to be a worthwhile investment. That said, the decision should be made together with your surgeon after discussing your specific clinical situation.
When to See a Specialist for PRF
You should see an oral surgeon or periodontist when your procedure involves bone grafting, implants, sinus lifts, or complex extractions where enhanced healing may be beneficial.
General dentists perform many routine extractions, and some general practices offer PRF. However, for procedures that involve significant bone loss, multiple surgical sites, or medically complex patients, a specialist typically has the advanced training and equipment to optimize PRF use. [6] Oral and maxillofacial surgeons complete four to six years of hospital-based residency training beyond dental school, and periodontists complete an additional three years focused on gum and bone health. [10]
Consider consulting a specialist if you have a medical condition that affects healing, such as diabetes, if you take blood-thinning medications, or if a previous surgical site failed to heal as expected. A specialist can evaluate whether PRF, possibly combined with bone graft materials or barrier membranes, is the right approach for your situation.
If your general dentist recommends PRF with a surgical procedure, ask whether a referral to the oral-surgery page or a periodontist would benefit your case. In many instances, the two providers work together to plan and execute treatment.
Find a Specialist Who Offers PRF
If you are considering a procedure that could benefit from platelet-rich fibrin, you can search for a qualified oral surgeon or periodontist through our directory. Visit the oral-surgery page to browse providers near you, read about their training, and learn which regenerative techniques they offer.
Search Oral Surgeons in Your Area