condenser (redirected from back-action condenser)

condenser /con·den·ser/ (kon-den´ser)

1. a vessel or apparatus for condensing gases or vapors.

2. a device for illuminating microscopic objects.

3. an apparatus for concentrating energy or matter.

4. a dental instrument used to pack plastic filling material into the prepared cavity of a tooth.

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con·dens·er (kn-dnsr)

n.

1. An apparatus for cooling a gas in order to convert it to to a liquid.

2. An instrument for packing a material into a cavity of a tooth.

3. The simple or compound lens on a microscope that is used to focus light on the specimen under observation.

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condenser (kn·denˑ·ser),

n a component of distillation apparatus that cools the vapor produced by heating a substance and returns it to liquid.

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condenser (knden´sur),

n (formerly called
plugger), an instrument or device used to compact or condense a restorative material into a prepared cavity. Its working end is called the
nib, or
point; the end of the nib is termed the
face. The face may be smooth or serrated.

condenser, amalgam (amalgam plugger),

n an instrument used to condense plastic amalgam.

condenser, automatic,

n See condenser, mechanical.

condenser, back-action,

n a condenser with the shank bent into a U shape so that the condensing force is a pulling motion rather than the usual pushing force.

condenser, bayonet,

n a condenser in which the offset of the nib and the approximately right-angled bends in the shank permit a better line of force for condensation of direct filling gold. There are many variations in angles, length, and diameter of the nib.

condenser, electromallet (McShirley's electromallet),

n an electromechanical device for compacting direct filling gold. Frequency of blows may be varied from 200 to 3600 strokes/min; the intensity of the blow is controlled electronically.

condenser, foil,

n a condenser used to compact direct-filling gold.

condenser, foot,

n a foil condenser with the nib shaped like a foot.

condenser, hand,

n an instrument that compacts material, the force being applied by the muscular effort of the clinician with or without supplementary force from a mallet in the hand of the assistant.

condenser, Hollenback,

n.pr See condenser, pneumatic.

condenser, long-handled foil,

n a hand condenser of varied design for compacting gold foil.

condenser, mechanical,

n (automatic mallet), a device to supply an automatically controlled blow for condensing restorative material. It may be spring activated, pneumatic, or electronically controlled.

condenser, parallelogram

n a condenser the face of which is shaped like a rectangle or parallelogram.

condenser, pneumatic (Hollenback condenser)

n a pneumatic mechanical device developed by George M. Hollenback to supply a compacting force. The force is delivered by controlled pneumatic pressure. Blows are variable in intensity, with speed variable up to 300 strokes/min.

condenser point,

n See point, condenser.

condenser, round,

n a condenser the face of which has a circular outline.

condenser, stepping,

n the orderly movement of a condenser point over the surface of gold foil or amalgam during its placement and compaction.

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condenser

1. a vessel or apparatus for condensing gases or vapors.

2. a device for illuminating microscopic objects.

3. a device for boosting the voltage in an electrical circuit.

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condenser discharge unit

used to generate high voltages needed for diagnostic x-rays using standard 110/220 volt input. An advantage for mobile units. It discharges over a short period, which helps prevent movement blur.