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Edward Hampp and Trenchmouth

1949

American Dental Association research fellow Edward Hampp was the first microbiologist at NIDR. In 1949 Hampp isolated the spirochete that caused acute necrotizing ulcerative gingivitis, or "trenchmouth," and laid the foundation for a strong periodontal disease program at NIDR.

Trendley Dean and Edward Hampp examine a vial.

NIDCR

Trendley Dean with Edward Hampp (right).

Explore an Interactive Timeline of NIDCR's History

Learn about important events, scientific breakthroughs, and publications starting in 1945.

Last Reviewed

May 20, 2025