Early roots of PPR use lie in Dentristy and Plastic Surgery. Initially, it was thought that platelets act exclusively by forming wound clots. However, we have learned that PRP also heals soft tissue.
Below is a link to dental applications.
https://jada.ada.org/cgi/content/abstract/133/10/1383
Furthermore there are few textbooks on PRP. This book was written by Robert E. Marx, a pioneer of PRP usage.
https://www.amazon.com/Dental-Craniofacial-Applications-Platelet-Rich-Plasma/dp/0867154322
