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RADIOLOGY

₹1,000.00

Categories: Books, DHA (Dubai)

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Bisecting angle technique:

The film is placed at an angle to the long axis of the tooth.
The central ray is directed 90 degree to an imaginary line that bisects the angle of the tooth and the film.
The film holders- bisecting angle instrument. But may cause distortion or cone cut.
This technique results in some distortion of the radiograph if the angle is not correct. If the central ray is directed at an angle that is more positive than perpendicular to the bisector, the image of the tooth is foreshortened. Likewise if it is inclined with more negative angulation to the bisector, the image is elongated.

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