Front End Question

Can anyone tell me what would cause the drivers side tire to tilt in at the top. I ran off the road the other day and hit a cement pipe protruding through the gound in a ditch on the upper part of the rim. Now the tire is tilted in towards the top inwards. I replaced the upper control arm to no avail. It also has caused the steering wheel to be off about 35-45 degrees to the right. There is no shake or shimmy or even pull in the steering wheel, it seems to drive fine. Btw it is a 1997 AWD Explorer 4.0 Is it possible that the hub assembly is the problem or more like the knuckle/spindle? Any help is appreciated.