Teeth can become crooked.
Or even a pacifier really. At that age they're doing it more to soothe than anything else.
Breastfeeding actually helps them come in straight. :)
Quoting rfhsure: a two year old can still get accustomed to the use of a cup when they're breastfeeding. All other liquids they receive in a cup. When you're giving all of a child's liquids from a bottle they learn only to drink from there.
Connect with CafeMom:
Switch to Mobile Site
Getting Started Guide
Frequently Asked Questions
Part of the CafeMom family of sites
© 2014 CMI Marketing, Inc. All rights reserved.