Table V.

Epithelial downgrowth measurements associated with each implant

Surface	Epithelial downgrowth (mm) median value (95% confidence interval)
Straight pin	6.0753 (5.2082 to 8.7915)
DF	4.2043 (2.6040 to 4.3087)
PT	1.2900 (0.9936 to 3.1139)
PT-HA	1.7826 (1.2789 to 3.3195)
PT-HAFn	1.7655 (1.2074 to 2.3601)
PT-HAAg	1.7562 (0.9242 to 2.9181)
PT-HAAgFn	1.7888 (1.3366 to 2.1510)

DF, drilled flange; PT, uncoated porous titanium alloy flange; PT-HA, hydroxyapatite coated flange; PT-HAFn, hydroxyapatite with fibronectin coated flange; PT-HAAg, hydroxyapatite with silver coated flange; PT-HAAgFn, hydroxyapatite with silver and fibronectin coated flange