X-Ray Films Dr. Sad Al-Bayatti

1. X-ray Films Dr Saad Al Bayatti B.D.S., M.Sc. Oral Radiology February 14, 2012 Dr Saad Wahby Al Bayatti

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4. Intra oral x-ray films (non-screen films) Types / Sizes February 14, 2012 Dr Saad Wahby Al Bayatti

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8. Intra oral x- ray film composition Film base February 14, 2012 Dr Saad Wahby Al Bayatti Protective gelatin layer Adhesive Emulsion ( silver halide) Film base Cross sectional structure of double emulsion film

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15. Intra oral x- ray film composition Film Packet February 14, 2012 Dr Saad Wahby Al Bayatti Outer plastic cover Front Back Film Lead foil Protective black paper

16. February 14, 2012 Dr Saad Wahby Al Bayatti Front Back Film base Lead foil Black paper cover Dot Back Front Outer plastic cover Intra oral x- ray film composition Film Packet

17. Intra oral x- ray film composition Film Packet February 14, 2012 Dr Saad Wahby Al Bayatti Front Back

18. February 14, 2012 Dr Saad Wahby Al Bayatti Deep Tissues Behind film Incident x-rays Object (Tooth ) Film packet without a lead foil Scattered x-rays Back-scatter

19. February 14, 2012 Dr Saad Wahby Al Bayatti Deep Tissues Behind film Film packet with a lead foil No x-rays behind the film Incident x-rays Object (Tooth )

20. Latent image formation February 14, 2012 Dr Saad Wahby Al Bayatti Radiolucent object Thick Radiolucent object Radioopaque object Incident x-ray photons Incident x-ray photons Incident x-ray photons Emerging x-ray photons Emerging x-ray photons Emerging x-ray photons Max.Ag ppt Less Ag ppt No Ag ppt Latent image in the x-ray film Metals Enamel Dentin Cementum Bone Muscle Fat Air

22. Latent image formation February 14, 2012 Dr Saad Wahby Al Bayatti Br gas Br gas X- ray photons Ag ppt

25. February 14, 2012 Dr Saad Wahby Al Bayatti Ag ppt Ag ppt Ag ppt Exposed film Developing Continuation of exposed silver precipitation (oxidation) Washing Fixation Washing & drying Removal of unexposed AgBr Final radiograph Steps of processing

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27. Processing of the x-ray films February 14, 2012 Dr Saad Wahby Al Bayatti

28. Processing of the x-ray films February 14, 2012 Dr Saad Wahby Al Bayatti

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34. February 14, 2012 Dr Saad Wahby Al Bayatti GBX-2 safe light 15 watt bulb

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41. February 14, 2012 Dr Saad Wahby Al Bayatti Automatic processor

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49. February 14, 2012 Dr Saad Wahby Al Bayatti Develop Wash Fix Wash Dry Safe light Processing solutions

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61. February 14, 2012 Dr Saad Wahby Al Bayatti Safe light Film Coin Light tight dark room Proper safe light Light leaks in dark room Improper safe light Dark room

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64. Radiographic Image Quality February 14, 2012 Dr Saad Wahby Al Bayatti

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77. Radiographic Artifacts ( Errors) February 14, 2012 Dr Saad Wahby Al Bayatti

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80. February 14, 2012 Dr Saad Wahby Al Bayatti Radiographs of an aluminum step wedge taken at different kVp

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108. Radiographic Image Quality February 14, 2012 Dr Saad Wahby Al Bayatti

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123. Radiographic Artifacts ( Errors) February 14, 2012 Dr Saad Wahby Al Bayatti

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127. February 14, 2012 Dr Saad Wahby Al Bayatti Light film (low density) Film placed on reverse side

128. February 14, 2012 Dr Saad Wahby Al Bayatti Film fog Dark film Low contrast

139. February 14, 2012 Dr Saad Wahby Al Bayatti Stuck films Blurred image

140. February 14, 2012 Dr Saad Wahby Al Bayatti Fixer drops Cone cutting