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45 Cards in this Set
- Front
- Back
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what's a PENUMBRA?
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blurred zone on an image
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what's a PENUMBRA?
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blurred zone on an image
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what's a PENUMBRA?
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blurred zone on an image
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What is the relationship between size of focal spot and bluriness?
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smaller focal spot, less bluriness
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What is the relationship between size of focal spot and bluriness?
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smaller focal spot, less bluriness
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What is the relationship between size of focal spot and bluriness?
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smaller focal spot, less bluriness
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What size focal spot is recommended for dental?
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1 mm or less
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What size focal spot is recommended for dental?
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1 mm or less
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What size focal spot is recommended for dental?
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1 mm or less
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what's a PENUMBRA?
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blurred zone on an image
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What are the 5 steps of developing radiographic film?
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Developing solution -- Wash -- fixing -- wash --dried
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What are the 5 steps of developing radiographic film?
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Developing solution -- Wash -- fixing -- wash --dried
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What are the 5 steps of developing radiographic film?
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Developing solution -- Wash -- fixing -- wash --dried
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Pyrazolidone and Hyrdroquinone are what?
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Two components of the DEVELOPER of developer solution
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Pyrazolidone and Hyrdroquinone are what?
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Two components of the DEVELOPER of developer solution
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What is the relationship between size of focal spot and bluriness?
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smaller focal spot, less bluriness
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Pyrazolidone and Hyrdroquinone are what?
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Two components of the DEVELOPER of developer solution
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What are the 4 components of developer solutoin?
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Developer, activator, preservative, restrainer
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What are the 4 components of developer solutoin?
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Developer, activator, preservative, restrainer
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What size focal spot is recommended for dental?
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1 mm or less
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What are the 4 components of developer solutoin?
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Developer, activator, preservative, restrainer
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What is the purpose of pyrazolidone in the developer solution?
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donates electrons to convert silver ions to metallic silver
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What is the purpose of pyrazolidone in the developer solution?
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donates electrons to convert silver ions to metallic silver
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What are the 5 steps of developing radiographic film?
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Developing solution -- Wash -- fixing -- wash --dried
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What is the purpose of pyrazolidone in the developer solution?
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donates electrons to convert silver ions to metallic silver
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Pyrazolidone and Hyrdroquinone are what?
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Two components of the DEVELOPER of developer solution
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What is the purpose of activators in the developer solution?
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keep pH @ 10, so they are alkali compounds = HYRDOZIDE
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What is the purpose of activators in the developer solution?
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keep pH @ 10, so they are alkali compounds = HYRDOZIDE
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What are the 4 components of developer solutoin?
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Developer, activator, preservative, restrainer
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What is the purpose of activators in the developer solution?
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keep pH @ 10, so they are alkali compounds = HYRDOZIDE
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What is sodium sulfite used for in the developer solution?
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a preservative anti-oxidant
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What is sodium sulfite used for in the developer solution?
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a preservative anti-oxidant
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What is sodium sulfite used for in the developer solution?
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a preservative anti-oxidant
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What is the purpose of pyrazolidone in the developer solution?
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donates electrons to convert silver ions to metallic silver
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What are the sodium/potassium bromide compounds used for in a developer solution?
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Restrainers - to keep the unexposed silver halide from developing
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What are the sodium/potassium bromide compounds used for in a developer solution?
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Restrainers - to keep the unexposed silver halide from developing
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What is the purpose of activators in the developer solution?
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keep pH @ 10, so they are alkali compounds = HYRDOZIDE
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What are the sodium/potassium bromide compounds used for in a developer solution?
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Restrainers - to keep the unexposed silver halide from developing
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What is sodium sulfite used for in the developer solution?
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a preservative anti-oxidant
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What are the sodium/potassium bromide compounds used for in a developer solution?
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Restrainers - to keep the unexposed silver halide from developing
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What are the 2 purposes of FIXING solution in developing film?
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Dissolve/remove underdeveloped silver halide and to Harden/shrink emulsion
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What are the 4 components of the Fixing solution?
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Clearing agent, acidifier, preservative and hardener
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What is ammonium thiosulfate used for in a fixing solution?
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a clearing agent
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What is sodium/ammonium sulfite used for in a fixing solution?
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preservaitve, remove oxidized thiosulfate
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What are aluminum salts used for in a fixing solution?
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a hardener, complex w/ gelatin
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