extrusion

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extrusion

 [ek-stroo´zhun]
1. a pushing out.
2. in dentistry, the condition of a tooth pushed too far forward from the line of occlusion as a result of injury or of lack of opposing occlusal force.

ex·tru·sion

(eks-trū'zhŭn),
1. A thrusting or forcing out of a normal position.
2. The overeruption or migration of a tooth beyond its normal occlusal position.

extrusion

[ek·stro̅o̅′zhən]
Etymology: L, extrudere, to push out
1 thrusting or pushing out; expulsion by force.
2 the overeruption or movement of a tooth beyond its normal occlusal plane in the absence of opposing occlusal force.
3 an orthodontic technique for the elongation or elevation of a tooth. Compare intrusion.

herniated disk

Herniated intervertebral disk, herniated nucleus pulposus, prolapsed intervertebral disk, slipped disk Neurology The herniation of an intervertebral disk, most commonly, lumbar; the term herniation in this context describes a spectrum of disk defects
Herniation disk types, used for MRI exams
Bulge–circumferential symmetric extension of the disk beyond interspace
Protrusion–focal or asymmetric extension of the disk beyond interspace
Extrusion–more extreme extension of the disk beyond interspace Note: Bulges and protrusions on MRI examination are common findings in normal subjects, and appear to be coincidental findings–NEJM 1994; 331:69oa  

ex·tru·sion

(eks-trū'zhŭn)
1. A thrusting or forcing out of a normal position.
2. The overeruption or migration of a tooth beyond its normal occlusal position.

ex·tru·sion

(eks-trū'zhŭn)
1. A thrusting or forcing out of a normal position.
2. The overeruption or migration of a tooth beyond its normal occlusal position.

extrusion

(ikstroo´zhən),
n the movement of teeth beyond the natural occlusal plane that may be accompanied by a similar movement of investing tissues. See also eruption, continuous.

extrusion

a pushing out; e.g. an orthodontic procedure which makes a tooth emerge further from its alveolus.
References in periodicals archive ?
Figure 3 shows the plant layout that was used to achieve this goal (the arrows in the exhibit depict the routing for products made in the extrusion molding process).
One category of feedstock material used in the ET/1 extrusion molding machine's production of samples is 100% NJCT.
Accounting for 85% of the total, injection molding, extrusion molding and blow molding are the major machinery they produce, among which, injection molding has the largest share of over 50%.
is a Canadian leader in plastic products created through injection and extrusion molding.
167), set up two of its expected 30 ET-1 commingled-plastic extrusion molding machines from Belgium in March.
With $92 million in sales over the past year, IPL is one of the leading Canadian manufacturers of plastic products created through injection and extrusion molding.