Which of the following statements regarding positioning of the image receptor is correct?
A) Absence of apical structures results when the image receptor is not placed low enough in the oral cavity.
B) Inadequate horizontal angulation will result in less of the crown recorded.
C) Excessive vertical angulation will result in overlap error.
D) Not placing the image receptor parallel with the occlusal plane results in conecutting.
A
Explanation: A) When the image receptor is not placed low enough in the patient's oral cavity, the entire tooth including the root tip and at least 2 mm of supporting bone beyond the apices will not be recorded.
B) When the image receptor is not placed low enough in the patient's oral cavity, the entire tooth including the root tip and at least 2 mm of supporting bone beyond the apices will not be recorded.
C) When the image receptor is not placed low enough in the patient's oral cavity, the entire tooth including the root tip and at least 2 mm of supporting bone beyond the apices will not be recorded.
D) When the image receptor is not placed low enough in the patient's oral cavity, the entire tooth including the root tip and at least 2 mm of supporting bone beyond the apices will not be recorded.
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