Dental and oral radiography; a textbook for students and practitioners of dentistry by McCoy James David

Author:McCoy, James David
Language: eng
Format: epub
Tags: Radiography, Dentistry, Radiography, Dental
Publisher: St. Louis : Mosby
Published: 1922-02-18T05:00:00+00:00

DENTAL AND ORAL RADIOGRAPHY TECHNIC

103

Fig. 51-A.

Fig. Sl-B.—Incorrect tcchnic.

Fig. 51-J3.

The shadows of both sides will be imposed upon the plate.

can be made to pass in between the ascending ramus of the mandible and the spine, and can pass in at approximately a perpendicular direction to the long axis of the teeth and the plate, giving correct shadow lengths upon

Fig. 52.—The result of incorrect technic. This is a radiogram of the same subject as

shown in Fig. SO.

the plate. Fig. 50 shows a radiogram made by using this technic.

If this rule is disregarded and the rays passed through the structures, as shown in Fig. 51, A and B, the shadows

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