Which of the following statements is false?
A) Radiographs reveal the pattern of bone loss.
B) Radiographs indicate the amount of bone loss.
C) Radiographs cannot detect early signs of periodontal diseases.
D) Radiographs reveal crestal bone irregularities.
B
Explanation: A) Radiographs document the amount of bone remaining rather than the amount lost. The amount of bone loss is estimated as the difference between the physiologic bone level and the height of the remaining bone.
B) Radiographs document the amount of bone remaining rather than the amount lost. The amount of bone loss is estimated as the difference between the physiologic bone level and the height of the remaining bone.
C) Radiographs document the amount of bone remaining rather than the amount lost. The amount of bone loss is estimated as the difference between the physiologic bone level and the height of the remaining bone.
D) Radiographs document the amount of bone remaining rather than the amount lost. The amount of bone loss is estimated as the difference between the physiologic bone level and the height of the remaining bone.
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When the marker is only faintly or partially demonstrated on the resulting projection, the infor-mation should be permanently added directly over the original marker
Indicate whether the statement is true or false.