DD is 4 months old and has been teething for a while, just assumed she would be like this for months and cut later on after about 6 months however the last couple of days she's been absolute inconsolable, dribbling constantly and chewing everything, and sleeping during the day more. I've just popped some teething gel on and saw this!! It's hard and sharp - is it a tooth?! I know that sounds ridiculous, I just didn't expect one so early and have half convinced myself it's not 