1. Regeneration of teeth. Maybe with stem cell biotech? I don’t know what is relevant but it’s a damn pity we have to have root canals and screw nuts and bolts

1. Regeneration of teeth. Maybe with stem cell biotech? I don’t know what is relevant but it’s a damn pity we have to have root canals and screw nuts and bolts for fallen teeth. 2. Nanobots that get into your bloodstream and dissolve plaque and repairs old cells/regenerates tissues.