Important fact regarding Radiographic Anatomy & Techniques: OPG = most common extraoral. Bisecting angle → foreshortening/elongation. Paralleling technique = more accurate. CBCT = 3D imaging, gold standard for implants. kVp = quality (contrast). mA = quantity (density).

This fact is from Radiographic Anatomy & Techniques in Oral Medicine & Radiology. It is a commonly tested concept in NEET MDS examinations. Understanding this fact is crucial for answering MCQs correctly.

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More Facts from Radiographic Anatomy & Techniques

OPG = orthopantomogram most common extraoral radiograph

Bisecting angle technique causes foreshortening or elongation

Paralleling technique = more accurate positioning = XCP holder

CBCT = cone beam CT = 3D imaging = gold standard implants TMJ

kVp controls quality and contrast

mA controls quantity and density

ALARA principle = as low as reasonably achievable.