Smarter Than Mouthwash: Methylene Blue + Red Light Therapy for Oral Infections
Oral infections aren’t “just a mouth problem” — they’re biofilm problems, delivery problems, and resistance problems. This Deep Dive breaks down a review on photosensitized methylene blue nanoparticles as a next-generation approach for controlling oral pathogens. Instead of relying on free methylene blue (which can disperse fast, stain, and fall short in biofilms), the paper explores methylcellulose nanoparticles engineered for near-complete encapsulation, tunable particle size, and sustained release, then activated with 660 nm light to generate microbe-killing reactive oxygen species. The…
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