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DEH 203

Rules of shadow casting

QuestionAnswer
RULE 1 Use the smallest possible source (target) of radiation
RULE 2 The object (tooth) and receptor (film or sensor) should be as close together as possible
RULE 3 The object (tooth) and receptor (film or sensor) should be parallel
RULE 4 The object (tooth) should be as far away from the source of radiation (Target) as possible
RULE 5 That X radiation must strike both the receptor (film or sensor) and object (tooth) at right angles
Created by: ashblake4