Photodynamic therapy with annatto colorant found to be effective against bad breath (IMAGE)

Fundação de Amparo à Pesquisa do Estado de São Paulo

Photodynamic therapy with annatto colorant found to be effective against bad breath

Caption

In the antimicrobial photodynamic therapy session, annatto photosensitizer was sprayed on to the tongue at a concentration of 20% 

Credit

Sandra K. Bussadori et al./PLOS ONE

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