Tehran University Of Medical Sciences

This study tests whether a N-acetylcysteine mouthwash can safely prevent oral mucositis (painful mouth sores) in 106 adults receiving stem cell transplants. Participants use the mouthwash daily and are monitored for sores and side effects. The goal is to reduce pain, hospital sta…

This study looks at 75 adults with severe tooth pain (irreversible pulpitis) to see if the type of sealer used during root canal affects pain afterward. Participants get one of three sealers and report pain levels and painkiller use for 48 hours. The goal is to find which sealer …