Tools of the trade: PRF Duo Centrifuge

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centrifuge
by Dr Andrew Teakle, Wickham Terrace Dental,
Brisbane, Qld

This centrifuge makes an advanced-platelet rich fibrin (PRF) clot that’s used to facilitate new bone formation for implant placement or placed at the time of extraction to preserve the socket. It rapidly, efficiently and predictably harnesses the body’s healing potential to achieve an extraordinary result. Along with this centrifuge, many scientific companies are heavily investing in the advancement of technology that is associated with the PRF (as an example).
What’s good about it

I collect multiple vials of the patient’s blood in vacuum tubes and then spin them in the centrifuge at 1300 rpm. The centrifuge creates a platelet-rich fibrin clot or an injectable type of fibrin. The injectable fibrin can be used to fill out dental papillae—for instance around implants. It can also be used as a dermal filler. This is a great alternative to synthetic materials that can cause a negative reaction in some people.

My most common use for a-PRF is for bone regeneration before or concurrent with implant placement. It’s great for socket preservation and can also be mixed with a filler such as beta-tricalcium phosphate to regenerate a bony defect. It’s very easy to flatten the clot to make a membrane. Any excess material is removed from the clot and it’s placed on a tray under a stainless steel cover. After five minutes, the weight of the cover has compressed it down into a perfect membrane.

I had a case recently where an implant had been placed but the defect was so large that when I grafted the site, the flaps of the incision wouldn’t close. There was a gap of about 7mm. I placed my final a-PRF membrane over the top of the wound. When I saw the patient a week later, a healthy-looking, keratinized epithelium had grown in just seven days. It was absolutely incredible.

What’s not so good

The only negative is that you need to draw blood. Sometimes this is pretty easy but there are some people for whom I have difficulty in finding a vein. That’s the only criticism I have and it’s really more of a skill issue rather than a problem with the product.

Where did you get it

BioMeDent (biomedent.com.au).

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