The Smithsonian often plays a small role on the small screen, and those references are revealing about popular stereotypes of the Smithsonian. For many TV series, the standard destination for something old and dilapidated is, of course, the Smithsonian.
1 The part of the tooth that is visible in the mouth, above the gum line on lower teeth and below the gum line on upper teeth, is called the clinical crown.  A cemented restoration that partially or completely covers the outside of the clinical crown is referred to as a dental crown or cap.
1 Crown means the top of the head or (if obscured by hair or a head covering) where the top of the head or skull would be if it could be seen. 2  If the photographs do not meet the specifications, you will have to provide new photographs before your application can be processed.