G.M.
I've heard pacifiers are bad for their teeth while sleeping. We never started one, but at 6 months, I was getting kinda tired of the whole crying at night thing too :0) My doctor tole me that at 6 months, they were old enough to do the "cry it out" thing.
It took us about 2-3 nights before we got a sound full night's sleep but it's worked ever since. You pretty much put them down iwth out the pacifier and let them scream for about 2-3 min. Then you go in and comfrot them. Then leave for 5 min, the let them scream (if they still are) and then go back in and comfort, the leave for 10. and you just keep adding time until they get it :)
It's a heartwrenching experience, but it totally works and both parents and baby are happier after !
Hope it works for yoU!!!!