Some substances are more toxic than others. The toxicity of a substance is described by the types of effects it causes and its potency. 1  Types of Effects: Different chemicals cause different effects.
I think I remember reading that injured means bruises and lascerations, seriously injured meant hospital but not life threatening, critically injured meant hospital ICU time and fatally injured meant injuries leading to dying sometime later.
Osteonecrosis of the Jaw (ONJ) Osteonecrosis of the jaw (ONJ), also known as dead jaw syndrome, Avascular Necrosis and Aseptic Necrosis, is a rare but serious condition involving severe loss or destruction of the jawbone. ONJ disrupts the blood supply to the jawbone.