Is she teething?

It appears my daughter is teething. At least that is what the massive amount of drool and extra fussiness would seem to indicate.
This teething thing is all new to me. My son would randomly have teeth appear in his mouth without any warning. Even my daughter first tooth was a surprise. I had noticed that she suddenly changed her sleep patterns two weeks prior to the tooth appearing, but I attributed it to brain growth.
Now she is chewing on her fingers or a toy, anything, almost constantly. She is twice to three times as fussy before nap and bed times. She drools like crazy and has suddenly started taking a pacifier.
Had anyone else had this experience? If so, please share your advice.