City Distributers: 2011

Friday, October 14, 2011

Dental drill

A dental drill (or dentist's drill) is a small, high-speed drill used in dentistry to remove decayed tooth material prior to the insertion of a dental filling. Dental drills are used in the treatment of dental caries. The term "dental drill" is considered the more colloquial form of the term "dental handpiece," although it can also be construed as to include the power source for one or more handpieces, a "dental engine." "Handpiece" and "engine" are more generic and euphemistic terms for generic dental tools.

Modern dental drills can rotate at up to 400,000 rpm, and generally use hard metal alloy bits known as burrs. Dental burs come in a great variety of shapes designed for specific applications. They are often made of steel with a tungsten carbide coating, or of tungsten carbide entirely. The bur may also have a diamond coating.

Dental drill

Friday, September 23, 2011

Electron microscope

An electron microscope is a type of microscope that uses a particle beam of electrons to illuminate the specimen and produce a magnified image. Electron microscopes (EM) have a greater resolving power than a light-powered optical microscope, because electrons have wavelengths about 100,000 times shorter than visible light (photons), and can achieve better than 50 pm resolution and magnifications of up to about 10,000,000x, whereas ordinary, non-confocal light microscopes are limited by diffraction to about 200 nm resolution and useful magnifications below 2000x.

Electron microscope

Microscope

A microscope (from the Greek: μικρός, mikrós, "small" and σκοπεῖν, skopeîn, "to look" or "see") is an instrument used to see objects that are too small for the naked eye. The science of investigating small objects using such an instrument is called microscopy. Microscopic means invisible to the eye unless aided by a microscope.

There are many types of microscopes, the most common and first to be invented is the optical microscope which uses light to image the sample. Other major types of microscopes are the electron microscope (both the transmission electron microscope and the scanning electron microscope) and the various types of scanning probe microscope.

Microscope

Saturday, September 17, 2011

ICU Room

Intensive care unit

An intensive care unit (ICU), critical care unit (CCU), intensive therapy unit/intensive treatment unit (ITU) or High Dependency Unit (HDU) is a specialized department in a hospital that provides intensive-care medicine. Many hospitals also have designated intensive care areas for certain specialties of medicine, depending on the needs and resources of the hospital.

Intensive care unit

Monday, September 12, 2011

Mouth mirror and probe

Dental Mirror

Dentist Mirror