For the first time, a study indicates that the use of local anesthetic may affect tooth cell growth and the development of children's teeth. The study comes at a time when more children than ever ...

An impressive new study, led by scientists from the Boston Children's Hospital, has developed a novel method to tame one of the world's most potent toxins, tetrodotoxin, commonly found in the ...

As my dentist loomed above me with a gigantic syringe full of anesthetic, it didn’t seem like the right time to ask what precisely he was injecting into my gums. But that last trip to the dentist for ...