Rats given implants coated in dead bacteria were able to heal bone fractures faster. The bacterium used is also found in yogurt
Source:
https://www.newscientist.com/article/2259871-bacteria-found-in-yogurt-may-help-bone-fractures-heal-faster/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home