Porous Hydroxyapatite and Aluminium-Oxide Ceramic Orbital Implant Evaluation Using CBCT Scanning: A Method for In Vivo Porous Structure Evaluation and Monitoring

Table 1

	Orbital implant						Corpus vitreum	Isolated volume
ID number	Diameter [mm]		Lifespan (days)	Volume mean (HU)	Volume mean SD (HU)	Corrected mean (HU)	Volume mean (HU)	Volume maximum (HU)
	Measured	Estimated
1.1	18	17,96	1051	−79	226	345	−425	1606
1.2	20	20,5	1420	623	281	754	−209	2006
1.3	20	19,96	1037	496	222	496	−344	3071
1.4	18	17,66	1361	566	337	713	−179	1920
1.5	20	20,5	1040	−42	101	434	−458	1476
1.6	18	16,26	2493	391	383	598	−147	1664
1.7	20	19,68	1911	579	304	825	−331	1884
1.8	20	19,58	1031	38	143	480	−446	1588
1.9	20	20,14	776	371	121	411	−87	2162
1.10	20	20,1	718	200	85	397	−198	1828
1.11	18	17,92	1196	350	105	360	−39	2146
1.12	20	20,1	1466	852	281	939	−104	1939
1.13	18	17,86	1831	773	383	784	−187	2273
1.14	18	17,4	317	308	128	417	−131	1995
1.15	18	17,88	1425	750	303	891	−127	1848
1.16	20	20,08	79	823	376	779	−131	2329
1.17	18	18,56	2151	728	361	790	−166	2106
1.18	18	17,92	2427	775	37	696	−78	2384
1.19	20	19,78	1237	302	102	424	−148	1995
1.20	20	20,26	1202	132	143	321	−212	1958
1.21	20	19,62	213	1432	521	786	326	3150
1.22	18	17,62	2219	414	253	695	−285	1736
1.23	20	19,72	1140	131	11	363	−228	1773
1.24	18	17,96	1903	729	388	810	−166	2051
1.25	16	17,78	2636	729	407	711	−77	2200
1.26	10	19,66	801	390	112	387	−29	2162
1.27	20	20,4	452	935	397	702	78	2532
1.28	20	20,7	1515	871	322	825	−57	2200
1.29	20	19,78	910	865	131	378	340	3150
1.30	20	20,4	2093	893	279	807	40	2161