Achieving complete anesthesia of a patient's tooth that needs treatment when everything else in the mouth seems numb is the most common difficulty clinicians face, according to a presenter at the ...

Injections deliver liquid medications, fluids, or nutrients directly into a person’s body. Different types of injections include intravenous, intramuscular, subcutaneous, intraosseous, and intradermal ...

NEW YORK (Reuters Health) - When professional athletes in sports like football and rugby are injured, they commonly get injections of pain-numbing anesthetics to help them stay in the game. Now a new ...