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13 Cards in this Set

  • Front
  • Back
What are the indications for localization?
Impacted teeth
Supernumerary Teeth
Foreign bodies
What is another name for the Buccal Object Rule?
Tube-shift technique: Clark’s Rule
Slob rule: ( Same Lingual, Opposite buccal)
What is the general synopsis of the Buccal Object Rule?
Buccal objects appear to move in opposite direction relative to the direction that tube moves.
What is required to apply the buccal object rule?
Two films made with slightly different angles or positions.
Image of the object from two different angulations
What is the exact principal behind the buccal object rule?
The principle states: the object closest to the buccal surface will appear to move in the opposite direction relative to the movement of the tubehead when a second film is taken
Same Movement Means...
Opposite Movement Means...
No Movement Means...
Object lies in the center
Horizontal beam angulation is changed when locating aligned _____objects.
Vertically (Eg. Root canals)
Vertical beam movement is used when locating _____ aligned objects
Horizontally (Eg. Mandibular canal)
What is the Right Angle Technique and who is it attributed too?
•Also called Miller’ s Technique •Method for determining the facial / lingual position of teeth or foreign objects
How do you utilize the Right Angle Technique?
•Two radiographs taken at right angles to each other are required. •First radiograph may be a PA or BW -this shows inferior / superior and anterior / posterior position •Second radiograph is a cross-sectional occlusal projection-this reveals facial / lingual and anterior / posterior position
What is the overall purpose of the right angle technique?
By using different views given by the two films, a three dimensional view of the area is obtained.