Penn's Dental School and School of Engineering and Applied Science have worked together to create a new treatment option for apical periodontitis, a chronic dental infection that causes tooth loss and ...

“When sodium hypochlorite, the active ingredient in ... If you clean your counters with a dish soap solution but don’t rinse it off properly before disinfecting with a bleach solution, that ...

County Emergency Services Director Chris Newkirk says a company was delivering liquid ammonia sulfate to the booster station when it was mixed with sodium hypochlorite. The county says sodium ...