0001029869-97-000849 Sample Contracts

Exhibit 4.6 ----------- PROMISSORY NOTE
Promissory Note • July 9th, 1997 • Omega Orthodontics Inc • Services-management services • California
RECITALS
Affiliation Agreement and Asset Purchase Agreement • July 9th, 1997 • Omega Orthodontics Inc • Services-management services • Delaware
RECITALS
Affiliation Agreement and Stock Purchase Agreement • July 9th, 1997 • Omega Orthodontics Inc • Services-management services • Delaware