Now no water pressure...

Last week I changed out a sink and set of taps in my master bathroom. It was just a \"one for one\" swap and once it was all together it worked wonderfully. Water pressure was fine, hot came from the hot tap and cold from the cold tap.
Later in the week I busted out the old tub tiles and installed a new set of taps and shower head in the tub along with a new fiberglass tub surround. While doing so I turned off the water to the home and turned on a basement tap to drain the pipes so I didn't have water dribbling everywhere. Again, the bathtub taps now work great and everything, I thought, was rosey.
My problem is that now I have no water pressure in the bathroom taps I had previously replaced. Everything else in the house works just great. The taps run, the toilet flushes, the shower runs.......everything except the set in the bathroom that I replaced last week.
Since I didn't touch them or change anything with them other then change the bathtub taps I suspect there is air in the line somewhere that prohibits water from getting to the bathroom taps. I've tried turning the tap on and leaving it (for a couple of hours actually) and I even tried hooking a shopvac up to the tap, opening them and trying to suck the water up to get the air out of the lines. Again, no luck.
Any ideas what could be going on or how to rectify the situation?
------------------------------------- Thanks for the help
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responding to http://www.homeownershub.com/plumbing/Now-no-water-pressure-5794-.htm melatiah37 wrote: Have you tried disconnecting the new taps and flushing them out to see if any crud got caught in the line? ~Shutoff the valves under the tap, disconnect them, and using a bucket to catch the water, try to slowly turn them on and see if there seems to be full water pressure at the valve. (CAREFUL! could be easy to turn your entire bathroom into a brand new indoor pool!) ~If so, the there is something blocking the inside of the tap - possibly even a built in filter has caught debris. ~If there is not full pressure at the valve... well, lets just hope that is not the case!
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responding to http://www.homeownershub.com/plumbing/Now-no-water-pressure-5794-.htm cali-plumber wrote: If you have good pressure at the supply (angle stops) try cleaning out the arrerator on the faucet. Might be jammed with common debris found in a potable water system.
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