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Abutment swapping. The use of an abutment with a diameter narrower than that of the dental implant platform. This switching moves the implant–abutment junction away from the edge of the platform.  

Implant platform and implant abutment of the same size.  

The junction line between the body of a dental implant and its platform. The localization of the platform edge in relationship to the bone crest determines a crestal, subcrestal, or supracrestal positioning of the implant. The edge of the platform and the implant abutment junction may or may not coincide.  

Prosthetic table, restorative platform, seating surface. Refers to the coronal aspect of a dental implant to which abutments, components, and prosthesis may be connected.  

Plateletrich gel. Autologous preparation derived from whole blood through the process of gradient density centrifugation. Its intended purpose lies in its ability to incorporate high concentrations of growth factors PDGF, TGF‐β1, TGF‐β2, IGF, VEGF, FGF‐1, and fibrin when added to a graft mixture.  

Preparation obtained from whole blood by differential centrifugation. PPP has a relatively high concentration of fibrinogen and is used for autologous fibrin glue preparation, which is employed in surgeries to obtain hemostasis and glue down flaps.  

A glycoprotein carried in the granules of platelets and released during blood clotting; a potent growth factor for cells of mesenchymal origin, including fibroblasts and smooth muscle cells. Growth factors released by platelets initiate connective tissue healing including bone regeneration and repair. They also increase mitogenesis, angiogenesis, and macrophage activation.  

A concentrate of platelets derived from a patient’s blood and mixed with calcium and thrombin to form a gel which may be used during surgery.  

Colorless nonnuclear disk‐shaped structure, 2–4 μm in diameter, found in the blood of all mammals. It is derived from fragments of megakaryocyte cytoplasm and released from the bone marrow into the blood. Contains active enzymes and mitochondria and has an important role in blood coagulation by adhering to other platelets and to damaged epithelium. Called…

Calcium sulfate hemihydrate reduced to a fine powder; the addition of water produces a porous mass that hardens rapidly. It has been used extensively for pouring dental impressions and subsequent casts. A fine white plaster used to make plaster casts. A preparation of gypsum (calcium sulfate) that sets hard when water is added. It is…