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FAST REVISION
Radiology
Crimp marks in a radiograph are due to sharp bending of the film.
Crimp marks are artifacts that appear as linear or curvilinear indentations on a
radiograph. They are typically caused by the film being sharply bent or folded
durin
Prosthodontics
Non-rigid or semi-rigid connectors are used in dental bridges when there is a need to accommodate non-parallel abutments (option 2). This design allows for some movement between the components of the bridge, which can help in achieving a better fit a
Dental Materials
The maximum allowable level of mercury in the blood is 3 µg/L according to the given text.