current (redirected from Current Dental Terminology)

current /cur·rent/ (kur´ent)

1. anything that flows.

2. electric c.

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action current  the current generated in the cell membrane of a nerve or muscle by the action potential.

alternating current  a current which periodically flows in opposite directions.

convection current  a current caused by movement by convection of warmer fluid into an area of cooler fluid.

direct current  a current flowing in one direction only.

electric current  the stream of electricity that moves along a conductor. Symbol I .

galvanic current  a steady direct current, especially one produced chemically.

current of injury  a flow of current to (systolic c. of injury) or from (diastolic c. of injury) the injured region of an ischemic heart, due to regional alteration in transmembrane potential.

pacemaker current  the small net positive current flowing into certain cardiac cells, such as those of the sinoatrial node, causing them to depolarize.

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cur·rent (kûrnt)

n.

1. A stream or flow of a liquid or gas.

2. Symbol I A flow of electric charge.

3. Symbol I, i The amount of electric charge flowing past a specified circuit point per unit time.

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current

[kur′ənt]

Etymology: L, currere, to run

1 a flowing or streaming movement.

2 a flow of electrons along a conductor in a closed circuit; an electric current.

3 certain physiologic electrical activity and characteristics of blood circulation. Physiologic currents include abnerval current, action current, axial current, centrifugal current, centripetal current, compensating current, demarcation current, and electrotonic current. See also alternating current, direct current, volt, watt.

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current,

n a measure of the number of electrons per second that pass a given point on a conductor.

current, alternating,

n a current that alternately changes its direction of flow. It usually consists of 60 complete cycles/sec.

current, coagulating,

n an electrical current, delivered by a needle, ball, or other variously shaped points, that coagulates tissue.

current dental terminology (CDT),

n a listing of descriptive terms and identifying codes developed by the American Dental Association (ADA) for reporting dental services and procedures to dental benefits plans.

current, direct,

n an electrical current in which the electron flow is in only one direction.

current, galvanic,

n a direct current created by a battery.

current procedural terminology (CPT),

n a listing of descriptive terms and identifying codes developed by the American Medical Association (AMA) for reporting practitioner services and procedures to medical plans and medicare.

n the maximum current in a roentgen-ray tube that fully uses all electrons that are available at the cathode for the production of roentgen rays.

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current

that which flows; electric transmission in a circuit.

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alternating current

a current that flows in opposite directions sinusoidally.

direct current

a current whose direction is always the same.

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current

The amount of electrical charge carried/unit time. See Alternating current, M current, Radiofrequency current.

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Patient discussion about Current Dental Terminology.

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