“By pinpointing the underlying cause of one of the most common dental ailments—periodontal disease— Dr. George Hajishengallis forged a path to relief for patients beyond the dentist’s chair.

Dr. Hajishengallis, Thomas W. Evans Centennial Professor in Penn Dental Medicine’s Department of Microbiology, has spent most of his career studying periodontitis, an oral disease marked by microbe-driven inflammation of the tissues and bone that support the teeth. While nearly half of all adults in the United States suffer from some form of periodontal disease, treatment options are limited to scaling and planing, a procedure that treats, but does not cure, the condition.”

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