Pacifiers Forum Index › Parenting Questions This topic contains 3 replies, has 2 voices, and was last updated by . Author Posts July 26, 2017 at 5:15 pm #1132 louise procida Do overuse of pacifiers slow speech development? July 27, 2017 at 11:09 pm #1137 Lee Procida Good one! We’ll look into whether it does anything to your teeth, too. That’s something we’ve seen marketed on a few pacifiers. August 10, 2017 at 1:05 am #1188 Lee Procida Hey Louise! We did some research and here’s what we found. Let us know if you have any other questions! https://www.parentifact.org/pacifiers-mess-teeth-delay-speech/ October 8, 2017 at 7:03 pm #1556 Lee Procida Re-posting this comment from Adriane Miliotis, which was lost when we transferred to a new web server this week: “Similarly, are sippy cups bad for speech development? Are straw cups or something like the Munchkin Miracle 360 (https://www.munchkin.com/miracle-stainless-steel-360-deg-10oz-sippy-cup.html) better? What is the optimal age to introduce a cup to a child?” We’re looking into the claims of products like this, that sippy cups have any long-term effect on the way children’s mouths develop. Author Posts You must be logged in to reply to this topic.