Carbonate Apatite Formation during the Setting Reaction of Apatite Cement

作者: Arief Cahyanto , Kanji Tsuru , Kunio Ishikawa

DOI: 10.1002/9781118217504.CH2

关键词:

摘要: Replacement of apatite cement (AC) to bone is still controversial issue. To understand factor that could affect the replacement AC bone, consisting an equimolar mixture tetracalcium phosphate (TTCP; Ca4(PO4)2O) and dicalcium anhydrous (DCPA; CaHPO4) was allowed set at 37C 100% relative humidity under 5% CO2 or N2. Carbonate (CO3Ap) formed when CO2. The amount CO3 decreased gradually as depth from surface increased. CO3Ap B-type in which 2- replaced with PO4 3- found bone. Larger TTCP remain unreacted N2 whereas smaller This may be caused by larger Ca/P molar ratio CO3Ap. Formation and/or small are thought key factors for

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