Our older DD sucks her thumb & she had her first dentist appointment today. They confirmed what I was suspicious of: sucking her thumb is collapsing her pallet (sp?) & starting to push her front teeth outward. They said if we could get her to stop now she wouldn't have any problems & it would correct itself since she is young. I was thinking of getting her the ThumbGuard at OSA. Has anyone used this?
http://www.onestepahead.com/product/117/984/117.html