Extended use of a pacifier can lead to dental issues. (mymilkybaby.com)
Additionally, mothers were questioned at each contact regarding regular (daily) use of a pacifier while the infant was breastfed. (pediatrics.aappublications.org)
A study conducted in 2005 determined that use of a pacifier during naps and nighttime sleep reduces the chances of a baby suffering from sudden infant death syndrome (SIDS) by 90 percent. (blog.guguguru.com)