Abstract
Porous Calcium-hydroxyapatite (Ca10(PO4)6(OH)2) ceramics are used for bone repair. Numerous clinical studies have demonstrated the influence of size, number and pore shape of calcium-phosphate ceramics on the bone re-colonisation process. The objective of this study is to determine the microstructure, the morphological characteristics and classes of pores of the prepared hydroxyapatite (HAP) bioceramics using an adaptive method based on mathematical morphological operation. The study was carried out using X-ray micro tomography (μCT) images. The traditional method of openings alone presents limitation of calculation and not sufficient to achieve our objective. The proposed method allowed us to extract local characteristics and calculate precisely the morphological parameters while preserving the original volume of pores. The number and classes of pores with their size were calculated. The efficiency of the method is clearly demonstrated through the different reports and measurements generated. The proposed method can have interesting applications in the characterization of porous materials used in the medical field or in other sectors.
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