What is the most likely reason that overlapping occurs even if the image receptor is correctly positioned parallel to the teeth of interest and the central ray is accurately directed through the appropriate embrasure?
What will be an ideal response?
If the image receptor is correctly positioned parallel to the teeth of interest and the central ray is accurately directed through the appropriate embrasure, then any overlapping of other adjacent teeth on the image that occurs is usually attributed to crowded or malaligned teeth. Crowded or malaligned teeth will most likely require additional exposures to achieve a clear view of all proximal surfaces.
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Which of the following statements regarding smoke control systems in covered mall structures is MOST accurate?
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a. 20 b. 30 c. 40 d. 50