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Quantitative analysis of new bone formation around implants, including bone mineral density (BMD), bone volume/total volume (BV/TV), trabecular number (Tb.N) and trabecular thickness (Tb.Th) determination from Micro-CT at week 4 and 12 after implantation (* represents p < 0.05, compared with PEKK; # represents p < 0.05, PT40 vs PT20).
