Gingivitis is inflammation of the what?

More Questions:

In soccer, how many yellow cards result in a red card?

In baseball score-keeping, what number represents the third baseman's position?

What do the letters MG stand for in the British sports car?

The cover of what band's 1977 album "Animals" depicts a large, inflatable pig flying over London's Battersea Power Station?

What is campanologist the study of?

What Canadian territory came into existence on April 1, 1999?

What animal species were depicted as evil characters in "The Wonderful Wizard of Oz"?

What organ in the human body is primarily affected by cystic fibrosis?

What was the name of the restaurant the TV series "Happy Days"?

In the movie It's a Wonderful Life, what did George dream of becoming?

What country's liberation was the purpose of the 1991 Gulf War?

Who patented the first practical fountain pen back in 1884?

What year did Adolf Hitler rise to power in Germany?

Who was assassinated at the Lorraine Motel in Memphis,Tennessee?

Which islands were the subject of a war between Argentina and United Kingdom in the 1980s?