Digital Imaging

Digital imaging was introduced to dentistry in___?

1987

Who invented the first dental x ray unit?

William H. Rollins

When did the American dental association recognize oral and maxillofacial radiology as a speciality field of dentistry?

1999

Pixels act like a tiny bucket that collect and stores electrons? True or False

True

CCD converts light not electronic signals t form digital images? True or False

True

The coupling layer couples light photons to the scintillator layer? True or False

False

CCD requires less power and short readout time? True or False

False

When did CMOS digital sensors become commercially available for dental radiography?

2006

Which of the following statement regarding CMOS is true?

Amplifies each pixel to produce a higher resolution image

CMOS has replaces CCD over the last few years only for the low cost in the dental radiographs? True o False

False

What is one main advantage of CMOS sensors over CCD sensors?

Lower power consumption

How much less radiation does CMOS require than CCD?

20-25%

Which type of digital imaging provides instant radiographs and is not light sensitive?

Direct

What is one of the advantages of digital imaging?

All of the above

Strong digital Images takes up physical space? True or False

False

How fast does a digital image appear on a computer screen?

Instantly

Compared to traditional film exposures, how much less does digital imaging use?

50-90%