Busy. Please wait.
Log in with Clever
or

show password
Forgot Password?

Don't have an account?  Sign up 
Sign up using Clever
or

Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.


Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.

S&T's

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
        Help!  

Question
Answer
Underdeveloping   Results in light, difficult to view films-caused from insufficient processing with weak chemicals, time or temperature.  
🗑
Overdeveloping   results in radiographs that are too dark and difficult to interpret  
🗑
Foreshortening   Tooth structures appear shorter than their actual anatomical size-caused by excessive vertical angulation  
🗑
Elongation   the image of tooth structure appears longer tan actual size due to insufficient vertical angulation  
🗑
Overlapping   distortion of the film showing an overlapping of the crowns superimposed on adjacent teeth-caused by improper horizontal angulation  
🗑
Cone cutting   improper placement of the central beam which is caused by lack of exposure to radiation. PID is not centered properly  
🗑
Reticulation   crackling of film emulsion caused by large temperature differences between processing solutions. gives a stained glass effect.  
🗑
Fog   clouded, darkened, or blemished x-ray film results- caused by old film, contaminated solutions, faulty safelight, improper storage of film  
🗑
Herringbone effect   fish bone effect on film surgace resulting from placing film in the mouth backwards  
🗑
Landmarks   anatomic structures that act as guides  
🗑
Contrast   Variations in shades from black to white  
🗑
Density   film blackening occurring from the percentage of light transmitted through a film  
🗑
Radiolucent   portion of radiograph that appears dark or ability of a substance to permit passage of x-ray causing darkening on film  
🗑
Radiopaque   portion of radiograph that appears light or the ability of a substance to resist x-ray penetration causing light area on the film  
🗑
Definition   outline sharpness and clarity of image exhibited on radiograph  
🗑
Double exposure   two exposures on one film  
🗑
Panoramic radiograph   extraoral radiograph showing the entire mandible, maxilla, teeth and other structures  
🗑
Extraoral radiographs   radiographs taken outside of the mouth  
🗑
Cephalometric radiograph   extraoral radiograph taken from a lateral or frontal view showing the relationship between the jaws and other skeletal structures  
🗑
Occlusal radiograph   intraoral radiograph showing the entire maxillary or mandibular arch surrounding structures  
🗑


   

Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
 
To hide a column, click on the column name.
 
To hide the entire table, click on the "Hide All" button.
 
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
 
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.

 
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how
Created by: mthompson
Popular Dentistry sets