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_______ black dots or dark spots on the film caused by drops of developer
solution that was accidently spilled on the film before it was developed.
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Collimation: collimator used to control the size and shape of the beam
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🔹ملاحظة دايماً خلوها ببالكم
▫️عندنا نوعين من المسافة
1. Tube object distance
المسافة من مطلق الإشعاع ل جسم ألي يضربه الإشعاع و هاي
و ( لازم تكون اكبر ما تكون )
2. Object film distance
المسافة بس جسم الي يضربه الإشعاع و فلم الاشعة
و (لازم تكون اصغر ما تكون )
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the intensity of radiation inversely proportional with the square of distance measured from the source of radiation to the point of measuring the radiation intensity.
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Removed all the unexposed or undeveloped crystals is done in which processing cycle
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Processing cycle include: Developing, rising, fixing, washing and drying.
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All factors below if they increase they increase the film density expect
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The classification of film speed based on alphabetical basis so from A to F, film speed A is the slowest while speed F is the faster one
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Periodical film have different size , one of this size is size 1 that use
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Gonion: Most convex point along the inferior border of the mandibular ramus
Pogonion (Po): Most anterior point of the symphysis
Gnathion: Midpoint of the symphysis outline between pogonion and menton
Menton (M): Most inferior point of the symphysis
