A pulpotomy is when the inflamed pulp chamber, usually on a baby molar, is removed, the area is sterilized, and the chamber is sealed. It is sometimes called a baby tooth root canal, but it's not really a root canal and it can be done is some cases in permanent teeth.
Princess Royal is a style customarily (but not automatically) awarded by a British monarch to his or her eldest daughter. Holders retain the style for life, so a princess cannot receive the style during the lifetime of another Princess Royal. Queen Elizabeth II never held the title as her aunt, Princess Mary, was in possession of the title. There have been seven Princesses Royal. Princess Anne is the current Princess Royal.
NEWS: The royal baby has a name! Meet Prince George Alexander Louis of Cambridge! And while we tend to familiarly call his wife by her maiden name, Kate Middleton, she is for all intents and purposes Catherine, Duchess of Cambridge. So what, exactly, is the littlest HRH's surname? NEWS: Kate Middleton gives birth to the royal baby! When utilizing a surname like ordinary folks, William and his brother, Prince Harry, (and now Prince George!) take a cue from father Charles, Prince of Wales' royal house and go by William Wales and Harry Wales.