I don't thinking sucking pacifier is a problem actually. I read an article b4, the pros are:
Studies have shown that babies who use pacifiers at bedtime and naptime have a reduced risk of Sudden Infant Death Syndrome. and, pacifier habit is easier to break than a thumb-sucking habit. You can refer details at the following link:
http://www.babycenter.com/refcap/baby/babycare/babysoothing/128.html
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