I am looking for a medical and/or dental textbook about cleft lip and palates.

Hello afv, 

 You did not list a price limit, but the books found on the following
sites have a fairly broad range of prices. You are aware, I'm sure,
that such texts are quite pricey!


Cleft Palate Speech Management: A Multidisciplinary Approach:
http://www.amazon.com/exec/obidos/ASIN/0801664470/102-0151843-2968118

MedBookStore has 6 different texts that cover cleft palate:
http://www.medbookstore.com/books/SearchResults.asp?txtQuickSearch=cleft+palate&optCategory=MED&optTitle=contains&selSortBy=T&optSort=Asc&cmdChangeSearch=True

and these on Cleft Lip:
http://www.medbookstore.com/books/SearchResults.asp?txtQuickSearch=cleft+lip&optCategory=MED&optTitle=contains&selSortBy=T&optSort=Asc&cmdChangeSearch=True

BuyAllBooks has 22 books covering "cleft Palate and lip":
http://bergware.net/cgi-bin/cgiwrap/newsearch1?/Z101321@@c108870.p112394.1.t1111277039GDN0062

eCampus has a large listing:
http://www.ecampus.com/newbk_searchresult.asp?qsearch=description%3Acleft

RAMex also has a list:
http://www.ramex.com/search.asp?type=Basic

Online Text
http://www.erlanger.org/craniofacial/book/intro/intro.htm

There you go. I feel confident you can find pertinent books among the
titles I've given in this answer. If any part of this answer is
unclear, please do not close the question by rating it, without first
requesting an Answer Clarification first.

Regards, Crabcakes

Search Terms
Medical textbooks

Here are some illustrations showing Cleft Palate and Cleft Lip.

http://www.andymatlock.com/option,com_akogallery/Itemid,43/func,viewcategory/catid,76/