bad bacteria

When most people think about treating gum disease, they think about killing bacteria. That makes sense on the surface—after all, plaque and harmful bacteria are closely tied to gingivitis and periodontitis. But new research (Rakesh Sikdar, Mai V. Beauclaire, Mark C. Herzberg, Bruno P. Lima, Mikael H. Elias. N-acyl homoserine lactone signaling modulates bacterial community associated with human dental plaque. npj Biofilms and Microbiomes, 2025; 11 (1)) suggests there may be a more targeted way to protect oral health: instead of wiping out bacteria across the board, scientists may be able to change how bacteria communicate so dental plaque stays in a healthier state. That idea could be a major shift in how we think about gum disease prevention. The mouth is home to hundreds of bacterial species, and not all of them are harmful. Many are part of a healthy oral … Read more