Group 1 (n=20) Titanium implant.
Group 2 (n=20) Titanium implant with TiO2 thin-film coating
Group 3 (n=5) PTFE implant with TiO2 thin-film coating
Group 4 (n=5) Nylon implant with TiO2 thin-film coating
Group 5 (n=5) Control group without implants
Table 1: Groups and number of experimental animals.