Las placas se pueden aplicar de varias formas según la función requerida. Éstas incluyen: ( mencione al menos 3 funciones)
PLACAS AO

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Science
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University
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Easy
ALEXANDRA LEON BLANCO
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10 questions
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1.
OPEN ENDED QUESTION
1 min • 1 pt
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Answer explanation
Plating modalities
Plates may be applied in various modes according to the function required. These include:
Protection (neutralization)
Compression
Bridging
Buttress (antiglide)
2.
OPEN ENDED QUESTION
2 mins • 1 pt
En la imágen usted esta viendo una placa de protección (neutralización), Explique a continuación la función de este tipo de placas.
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Answer explanation
Function
A protection plate neutralizes bending and rotational forces to protect a lag screw fixation.
This is equally true of plates with locking or non-locking screws.
3.
OPEN ENDED QUESTION
3 mins • 1 pt
Observe la imágen. La placa esta cumpliendo la función de compresión. En la imágen de arriba observa una placa precontorneada y en la de abajo no. Qué efecto espera usted encontrar al aplicar el 2 tornillo en la placa de arriba y en la placa de abajo?
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4.
OPEN ENDED QUESTION
3 mins • 1 pt
En la imágen usted observa una placa buttress. Describa a continuación la función de este tipo de placas.
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Answer explanation
Function
Buttress plates are used in managing partial articular fractures. They are used to supplement lag screw fixation of metaphyseal shear or split fractures in the metaphyseal regions. Lag screws may be inserted either through or outside the buttress plate.
5.
OPEN ENDED QUESTION
3 mins • 1 pt
Según la imágen qué tipo función esta cumpliendo este tipo de placa?
Qué ventajas tiene la fijación con este tipo de técnica?
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Answer explanation
In comminuted diaphyseal fractures, a plate is often applied,
spanning the multifragmentary zone, and attached only to the
main fragments. It is used to restore length, axial alignment,
and rotational alignment.
This preserves the biology of the multifragmentary zone, which
heals by external and interfragmentary callus.
6.
OPEN ENDED QUESTION
3 mins • 1 pt
En la imágen usted observa un agujero de una placa LCP, que características tienen estos agujeros?
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Answer explanation
The combination hole of the LCP
accepts conventional screws for
conventional plating techniques, but
also accepts locking head screws to
create angularly stable fixations.
Conventional screws can be tilted in the non-threaded portions
of the combination holes.
Locking head screws must not be angled in the threaded
portions of the holes.
7.
OPEN ENDED QUESTION
3 mins • 1 pt
Describa que principio nos esta mostrando la imágen y en qué consiste?
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Answer explanation
DCP principle
If a screw is inserted
eccentrically…
… so that its head, on final
tightening, slides down the
sloping profile of the hole, the
screw/bone unit will be shifted
toward the fracture and the
fracture plane will thereby be
compressed.
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