Srinivas Nalla on Instagram: "OPG or CBCT — which scan do you really need? In this reel, Dr. Srinivas clearly explains the difference between OPG (Orthopantomogram) and CBCT (Cone Beam CT), two scans that are often confused but serve very different purposes. An OPG gives a broad, 2D overview of the entire mouth, teeth, jaws, and surrounding structures. It’s useful for basic evaluation, routine checkups, and overall screening. A CBCT, on the other hand, provides a 3D, highly detailed view, essent