Lumina sounds interesting, but it’s got serious safety and efficacy concerns: https://www.mcgill.ca/oss/article/medical-critical-thinking-technology/reports-dea

Lumina sounds interesting, but it’s got serious safety and efficacy concerns: https://www.mcgill.ca/oss/article/medical-critical-thinking-technology/reports-death-dental-cavities-are-greatly-exaggerated https://www.mcgill.ca/oss/article/medical-critical-thinking-... > Lumina is a genetically engineered version of the Streptococcus mutans bacterium that lives in the mouth, and it is supposed to prevent you from developing dental caries because it does not produce acid - It has been poorly studied for safety and effectiveness - Streptococcus mutans is actually neither necessary nor sufficient for the development of dental caries; the disease actually comes about because of a shift in the equilibrium of bacteria in the mouth which encourages the demineralization of our teeth