I have a son who tried this as well. He got sick, I got sick, and we moved half-way across the country - all at the same time. I was lazy and I babied him... he got used to sleeping in my bed and didn't want to go back to the crib! Oops!
This is what I've learned:
-It will take one week of being "mean mommy" to have a happy, sleeping child.
-Create a routine. For us this means we cuddle and watch one of his favorite shows (6:45-7:15ish). Then we brush our teeth & wash our hands & face (7:15-7:20). We then change into our PJ's and have a bottle while I rock him in his room with the lights out. We pray and I give him a big hug and roll him into bed while he's still awake (7:30). Tuck him in, grab the bottle to wash it, and swing his door mostly closed.
Now sometimes if we forget the routine, he'll remind us. "show" he says, or skips it all together and starts up the stairs to his room saying "teeth"... It's fabulous.
-Be consistant. We'll let him cry the whole allotted amount of time* before we go comfort him. We will hug him thru the crib instead of picking him up. He gets a hug, we find his pacifier for him again, and then we tell him night-night and walk out the door. Then he can cry the allotted amount of time again. Then we can go give him a hug, then he can cry, then hug, then cry. (sometimes I go downstairs and start a load of laundry or dishes, or wash the dishes so it's harder to hear him, but he can hear that I'm still there...)
*Here's how I rationalize crying - two minutes for every month old he is... then I can intervene! I had to come up with a plan so that I wouldn't give in... it's all about being consistant.
Every couple months we go thru a "testing" cycle again and have a few nights of crying - he just wants to see if we'll give in. We just have to become more aware of the routine and remember to be consistent with our hug-cry-hug-cry-hug and it's all okay again.
If he really gets himself worked up we will also use Hyland's Colic Tabs. I last found them at HyVee in Independence (random) but they're at a number of drug stores, near the teething tabs. They're just calming and take the edge off for him. We have an alarm clock that makes wooshing "ocean" sounds that helps him sometimes too. And you might try an earlier bedtime? At that age, 7pm was the magic number for us.
You'll get there, really you will. You might have to be "mean mommy" for a few nights but when you're all sleeping and waking up happy - a few nights of tears will be well worth it! Believe me!
Good luck finding what works for you!
T.