A filling is a material that your dentist uses to fill a cavity after he or she removes any tooth decay. To fill a tooth, your dentist will: 1  Numb your teeth, gums, tongue, and surrounding skin. 2  Sometimes use a small sheet of rubber on a metal frame (rubber dam) to target the decayed tooth and to stop liquid and tooth chips from entering your mouth and throat. 3  Drill out all the decay and replace it with a filling.
unrestricted - not restricted or modified in meaning; unrestricted verbs are usually stronger than those qualified by adverbs. grammar - the branch of linguistics that deals with syntax and morphology (and sometimes also deals with semantics)
Definition: Unrestricted submarine warfare occurs when submarines attack merchant ships without warning rather than following prize regulations. First used during World War I, this type of warfare was highly controversial and deemed a breach of the rules of war.