Zapping The Bugs That Cause Teeth To Fall Out

Periodontal disease is the leading cause of adult tooth loss. Bacteria produce toxins that destroy a tooth's connecting ligaments and the underlying bone. Eventually, the tooth wobbles in its socket and infection can set in. Scaling away calcified plaque is only partly effective, so Jerusalem-based Perio Products Ltd., a unit of Israel Chemicals, devised the Perio Chip to oust the invaders and speed healing.

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