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ruthayak ruthayak
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6 years ago
What is the name of the device made of layered metal steps of varying thickness used to determine film density and contrast?
 
  What will be an ideal response?
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Essentials of Dental Radiography for Dental Assistants and Hygienists

Essentials of Dental Radiography for Dental Assistants and Hygienists


Edition: 10th
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YatesmYatesm
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6 years ago
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ruthayak Author
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6 years ago
Brilliant
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Yesterday
Thanks
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2 hours ago
You make an excellent tutor!
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