Interdental plate

From Wikipedia, the free encyclopedia

The interdental plate refers to the bone-filled mesial-distal region between the teeth.[1] The word "interdental" is a combination of "inter" + "dental" (meaning "between the teeth") originiated in approximately 1870.[2] In paleobiology, the presence or absence of the interdental plate can determine the place of an animal in the evolutionary scale and paleontologists use the interdental plate when trying to classify a new specimen. Thecodont reptiles and theropod dinosaur fossils have an interdental plate, whereas acrodont reptiles such as Sphenodontia do not.[3] Its presence in Archaeopteryx, an extinct avian, resulted the proposal of the dinosaur-bird connection.

The term can also be used to refer to a manufactured object designed to be placed or worn between the teeth. An example would be a dental prosthetic designed to prevent contact between the teeth while the wearer is sleeping.[4] US patent 6702765 covers an apparatus designed to measure the pressure exerted by the tongue as a means of diagnosing ailments related to swallowing.[5]

  1. ^ "TOOTH SOCKET HISTOLOGY IN THE CRETACEOUS SNAKE DINILYSIA, WITH A REVIEW OF AMNIOTE DENTAL ATTACHMENT TISSUES": 138-145. 
  2. ^ Interdental. Dictionary.com. Retrieved on 2007-03-13.
  3. ^ Tooth Implantation. Palaeos.com. Retrieved on 2007-03-13.
  4. ^ "Sleep-induced masticatory myoclonus: a rare parasomnia associated with insomnia.". Sleep. 1991 Feb;14(1): 80-2.. 
  5. ^ US patent 6702765, "Apparatus for measuring tongue/hard palate contact pressure", granted 2006-03-09


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