Table 1.

Size and shape parameters of the UHMWPE and CFR-PEEK particles of a prior in vitro simulator based study [13].

Material	Aspect ratio (mean)	Roundness (mean)	Form factor (mean)	Size (mean diameter) Original (µm)
	Original	Original	Original
UHMWPE	1,77	0,54	0,56	0.52 ± 0.67
CFR-PEEK PAN	1,65	0,62	0,6	0.96 ± 1.76