Discover the Impact of Focal Spot and Film Crystals on Image Sharpness!

Which of the following structures appear radiolucent on a dental image?

Fillings

What happens to the density of a dental image when the kilovoltage (kV) is increased?

The density increases and the image appears darker

What is the effect of increasing the exposure time on the density of a dental image?

The density increases and the image appears darker

Which of the following statements about digital imaging compared to traditional radiography is true?

Digital imaging performs at least as well as traditional radiography Signup and view all the answers

What is the reason why disposable plastic barrier sleeves are required for digital sensors?

To prevent cross-contamination Signup and view all the answers

What is a potential concern regarding the use of digital images as evidence in lawsuits?

Digital images are easily tampered with Signup and view all the answers

Which of the following is true about image sharpness in radiography?

The smaller the focal spot area, the sharper the image Signup and view all the answers

Which of the following is true about image magnification in dental imaging?

A shorter PID and target-receptor distance result in less image magnification Signup and view all the answers

What is the term used to describe a radiographic image that appears larger than the actual size of the object it represents?

Image magnification Signup and view all the answers

What is the purpose of the scintillator screen in a digital imaging sensor?

To convert x-ray beams into visible light Signup and view all the answers

Which of the following is a primary advantage of digital imaging compared to conventional film?

Superior gray-scale resolution Signup and view all the answers

What is the range of numbers for a pixel in a digital image?

0 to 255 Signup and view all the answers

Which method of obtaining a digital image involves using an intraoral sensor exposed to x-radiation to transfer information directly to a computer?

Direct digital imaging Signup and view all the answers

What is the spatial resolution of a digital imaging system using a CCD sensor?

8 to 10 lp/mm Signup and view all the answers

Which type of contrast is preferred in dental images?

Short-scale contrast with black and white areas Signup and view all the answers

Which factor influences the sharpness of a dental image?

Focal spot size Signup and view all the answers

What is the term for the unsharpness or blurring of the edges of a dental image?

Penumbra Signup and view all the answers

What is the term for the difference in the degrees of blackness between adjacent areas on a dental image?

Contrast Signup and view all the answers