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WorksheetsDH 1401 Ch. 21 Bitewing technique Quiz
Total questions: 9
Worksheet time: 5mins
What is another name for the paralleling technique?
Extension Cone Paralleling Technique
Right Angle Technique
Long Cone Technique
All of the above
What is the purpose of a beam alignment device in the paralleling technique?
To keep the receptor parallel with the long axis of the tooth
To direct the central ray of the x-ray beam perpendicular to the film and the long axis of the tooth
To ensure that only the most parallel rays will be directed at the tooth
All of the above
Which size receptor is used in the anterior region for the paralleling technique?
Size 1
Size 2
Size 3
Size 4
What is the recommended exposure sequence for 15 periapical receptor placements using the paralleling technique?
7 anterior placements and 8 posterior placements
8 anterior placements and 7 posterior placements
15 anterior placements
15 posterior placements
What modifications are made in the paralleling technique for a patient with a shallow palate?
Using cotton rolls on each side of the bite-block
Increasing the vertical angulation by 5 to 15 degrees
Placing the receptor on the far side of the maxillary torus
Placing the receptor under the tongue in the mandibular premolar region
What is an advantage of the paralleling technique?
The image is free of distortion
Accuracy in determining horizontal and vertical angulation
Allows for easy comparison of serial images
All of the above
What is a disadvantage of the paralleling technique?
Receptor placement may be difficult
Beam alignment device may cause discomfort
Requires determining horizontal and vertical angulation
All of the above
What is the purpose of the central ray in the paralleling technique?
To keep the receptor parallel with the long axis of the tooth
To direct the central ray of the x-ray beam perpendicular to the film and the long axis of the tooth
To ensure that only the most parallel rays will be directed at the tooth
To eliminate chances of dimensional distortion
What is the purpose of the paralleling technique?
To present basic concepts of dental radiography
To describe patient preparation and equipment preparation
To explain the principles and techniques of the paralleling technique
All of the above
