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In this research hydroxyapatite was synthezed from eggshell. The hydroxyapaptite was combined with Collagen and Chitosan for produce composite hydroxyapaptite/Coll/Chi by ex-situ methods. The composite HA/Coll/Chi was characterized such as a functional group and phase crystallinity and surface morphology. HA synthesized from the precursor calcium derived from eggshell reacted with H3PO4, HA sintered at 900 oC. Result from spectra Infra red analysis showed that there are functional group PO4 3and OHthat characteristic for HA. The bonding of HA with chitosan and collagen was showed from as well as a shift wave number in the group C=O and NH2. Results of XRD analysis showed that compositon of chitosan has effect in crystalinity of bone graft. keywords: Hydroxyapaptite, Eggshell, Bone graft, Exsitu.

Use of Hydroxyapatite from Eggshell as Raw Material for Synthesis Bone Graft