If you are a referring doctor you may refer patients online by using our Online Patient Referral Form. Periodontist Links American Dental Association American Academy of Periodontology International Congress of Oral Implantologists (ICOI) Academy of Osseointegration Nobel Biocare Steri-Oss Hygienist Links American Dental Hygienists' Association California Dental Hygienists' Association British Dental Hygienists' Association Washington State Dental Hygienists Association The Tooth Fairy Homepage Dental Directory: Careers in Dental Hygiene Dental Hygiene Homepage: WKU on Line Search Engines Alta Vista BBC Search Engine - provides access to many other search engines and services Infoseek Lycos WebCrawler - free text searching Yahoo