Healing of extraction sockets involves resorption ( both horizontal and vertical )and remodeling of the alveolar crest. Around 4mm of bone is lost. Most of the dimensional alterations take place in the first 3 months following tooth extraction. Alveolar ridge resorption and remodeling may affect implant placement.
Platelet-rich fibrin (PRF), is a second-generation platelet concentrate which consist of fibrin membranes enriched with platelets and growth factors that originate from anticoagulant-free blood sample. PRF looks like a fibrin network and leads to more-efficient cell migration, proliferation, and thus angiogenesis. PRF was initially used in implant surgery to improve bone healing.
Platelet-rich fibrin (PRF), is a second-generation platelet concentrate which consist of fibrin membranes enriched with platelets and growth factors that originate from anticoagulant-free blood sample. PRF looks like a fibrin network and leads to more-efficient cell migration, proliferation, and thus angiogenesis. PRF was initially used in implant surgery to improve bone healing.
REF : Journal of Dental Sciences (2011) 6, 116—122
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