NDAEB Exam Study Questions and Answers

Periodontal disease Infection of the structures that support the teeth (gums and bones) Mercury, silver & tin What is amalgam fillings composed of Periodontal disease Bone loss in the jaw is an indication of what disease Concept of radiation that states that exposure should be kept "as low as resonably possible" What is the ALARA concept Positive - Anode Negative-Cathode What is the positive & negavtove electrode in the x-ray tube Film, phosphorous storage plate, digital sencor What are examples of inage receptors •To help the dentist see conditions in the mouth not visitble to the eye •What is the purpose of dental x-rays ▪bone loss ▪info during dental procedures (ex: root canal therapy) ▪locate abnormalities in the soft & hard tissue ▪evaluate growth & development ▪Identify early dent caries •What can a dentist see on an x-ray that he canot see with just his eyes Film based or digitally produced recording of anatomic structures What is an IMAGE (in radiology) With radiation How are dental images produced The process of recording images of the teeth & adjacent structure by exposure to x-radiation What is dental radiography •tubehead •extension arm •control panel What are the main components of an x-ray mashine •it is a metal housing that contains the X-RAY TUBE