Off the top of my head...
Unofficial transcripts for reference
Hours and dates of shadowing/volunteering/ECs
Personal statement (hopefully it's done and perfect)
Pick though the instructions or what's involved.
http://www.adea.org/dental_educatio...icants/GeneralInstructions/Pages/default.aspx
PM me an email address if you want a copy of the actual application to look at instead of just text instructions that link shows you.