In short, the uncontrolled populations of rats in sewers. constitute a reservoir which extends into all parts of a city and is capable. of establishing new infestations on the surface. The structural damage caused by sewer rats can be considerable.
An impression of the prepped tooth is taken by having the patient bite down on a rubber material. 5. A temporary crown, made of plastic or metal is cemented in place on the prepped tooth. 6. At a second appointment, the temporary crown is removed and the new permanent crown is put in place. 7. The dentist checks the new crown for proper fit, making small adjustments if necessary.
Dental crowns, also called caps, fit over worn or damaged teeth. They can also serve a cosmetic purpose, restoring a discolored tooth to its former hue. Your dentist may fit you with a temporary crown to protect a damaged tooth while the permanent crown is being made.