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ePaper created 2017-01-11, 10:22:38 | version 1.38.0
Wh at abo u t bi o mate r i als for a lveo lar r i dge pre se r vati o n? Traditionally, autogenous bone, harvested from intraoral or extra- oral sources, has been the gold standard grafting material in alve- olarridge preservation procedures. Biphasic materials are alloplastic bone grafting materials that have been used in both medical and dental fields. Many of the papers on biphasic materials by various authors have found 42% mineralized tissue in their core samples, of which 18% was woven bone, 23% was newly formed lamellar bone and 1% was retained graft particles. The proliferative phase is characterized by angiogenesis, collagen deposition and formation of granulation tissue. Angiogenesis, the growth of new blood capillaries from existing vessels inside the graftingmaterial,isthekeyphysiologicalprocessandiscontrolled bysignals from proangiogenic molecules. Theuseofbiphasicmaterialfavorsnewboneformationandallows critical-size defectsto healwithout interfering inthe regeneration process. Dr.José Luis Calvo Guirado Co-Editor Volume 2 | Issue 4/2016 03 Journal of Oral Science & Rehabilitation Edi to r i al Oral Science Rehabilitation Journal of & Volume 2 | Issue 4/201603