A Japanese experimental drug for tooth regeneration has completed the first human trial phase and is moving to the next stage
One source
What the source said
SAPO Notícias
“o medicamento experimental já terminou a primeira fase de ensaios em humanos e prepara-se para uma nova etapa.”
Machine translation: The experimental drug has already finished the first phase of human trials and is preparing for a new stage.
Read at SAPO NotíciasReported by one source so far. It is confirmed when a second, independent source reports the same thing.