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Biomaterials

Platelet-rich plasma does not improve hydroxyapatite sinus grafting

Published in Blood Weekly, October 9th, 2003

Platelet-rich plasma (PRP) does not improve hydroxyapatite (HA) bone integration in sinus grafts.

In a recent study from Austria, bovine HA with or without activated PRP "was examined for its usefulness for single-stage sinus grafting in minipigs."

"In 12 adult minipigs, Schneider's membrane of 24 sinuses was elevated bilaterally through an extra-oral approach," explained G. Furst and coauthors at the University of Vienna.

"The material was divided into two groups of 12 sinuses. In one of these groups, the space between Schneider's membrane and the sinus wall was grafted with activated autogenous PRP and HA (PRP side). In the...

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