1870-199X 1870-199X S1870-199X2007000200076 10.22201/fo.1870199xp.2007.11.2.15871 México México México 00 00 2007 00 00 2007 11 2 76 80

1. 1989 68 5 5 25-8 2. 1992 14 6 6 370-1 3. 1991 13 4 4 247 4. American Academy of Periodontology 1996 67 9 9 935-45 5. The American Academy of Periodontology Scientific, Clinical and Educational Affairs Department 1994 6. 1998 7. 1991 13 4 4 247 8. 1940 19 3 3 243-56 9. 1964 68 1 1 7-13 10. OMS 1987 3 11. 2001 3 12. 2002 13. 1991 13 4 4 247 14. 2000 22 5 5 359-64 15. 1996 16. 2001 23 1 1 44-50 17. 2003 48