Boy have not started talking

My boy have been sucking his pacifier 24/7 except during his meals and because of that he didnt babble much.. Its been a week now that i confiscate his pacifier and only give him when he throw tantrum.. so he’s very loud now (happy mummy) but he have not start saying mummy daddy or anything.. He understand instruction very well.. should i been worry or he will start talking soon? He just turned 17 months old in march. Anyway tips how to boost or make him pronounce some words?