I have faced this pacifier critical. My midwife said, if you want to breastfeed, rather then use the round pacifier. Said and done. And the best part is, they can never be the wrong way round placed in the mouth. So no light needed. If I had to hear this advice on my first child, the braces would be lost. My big kid had the normal pacifier and wrong in the mouth. We put this right into his mouth, and it was not long, she took his hand and turned his pacifier to what they soon got only with the tongue alone down. With the round this can not happen to luck. I can personally recommend and Fingerweg of the burlap and suckers. The orthodontist would be.