Is Your Baby Still Using a Pacifier? Here’s What You Need to Know! Pacifiers can be lifesavers in the early months – soothing a cranky baby and even reducing the risk of SIDS. BUT using them for too long may come with hidden downsides. Here’s what prolonged pacifier use can lead to: 1. Dental problems – It can affect the alignment of teeth and shape of the mouth, especially after 2-3 years of age. 2. Speech delays – Constant sucking may interfere with your child’s ability to practice speech soun