Teething?

Vikki
Anyone with babies who started teething early? My little boy is 7 weeks and for the past few days he keeps having moments of jusy screaming for ages. He wont even take his dummy. (Its not colic as 2 weeks ago we changed him to comfort formula and it worked perfectly for him) he has nothing else wrong with him other than this screaming but ive noticed him chewing on things a couple of times and before he got hold of my finger and was chewing rather than sucking. He started to scream so i rubbed his bottom gum to see if i could feel anything and he stopped instantly and fell to sleep. Its not just crying. Its real screaming. Could this be early teething? Tia