CMOS
Pronunciation: SEE-moss
Also written as: CMOS — Complementary Metal-Oxide-Semiconductor
Abbreviation for Complementary Metal-Oxide-Semiconductor, a type of direct digital sensor used in intraoral dental radiography as an alternative to CCD technology.
Full Definition
CMOS stands for Complementary Metal-Oxide-Semiconductor, a solid-state sensor technology increasingly used in direct digital dental radiography systems. Unlike CCD sensors, CMOS sensors process each pixel's charge individually, typically resulting in lower power consumption and the ability to manufacture thinner, more flexible sensor bodies. Both CCD and CMOS sensors are classified as direct digital receptors because they convert X-ray photon energy into a digital signal in real time without an intermediate scanning step. Editors must spell out the full form on first use and should note that CMOS and CCD are not interchangeable synonyms, as they differ in electronic architecture and image processing characteristics. Failure to distinguish these can introduce technical inaccuracies in equipment review articles and procurement documents.
Usage
Usage note: Expand as 'complementary metal-oxide-semiconductor (CMOS)' at first mention. Note the hyphenation of 'metal-oxide-semiconductor' in the full form.
In Context
- "The newer CMOS sensors offer a thinner profile than traditional CCD sensors, improving patient comfort during intraoral placement." — Dental equipment review article
- "The manuscript conflated CMOS and CCD under the single label 'digital sensor'; the editor separated them into distinct categories." — Peer-review editing