Final answer:
The genial tubercles are best visualized using Cone Beam Computed Tomography (CBCT), providing detailed three-dimensional imaging.
Step-by-step explanation:
The genial tubercles, which are bony protuberances on the inner surface of the mandible surrounding the lingual foramen, are best visualized on a Cone Beam Computed Tomography (CBCT) radiograph. CBCT provides three-dimensional information and a high level of detail by capturing multiple images from different directions, enabling a more comprehensive view than standard two-dimensional x-rays, which may only provide shadow images and can be obscured by dense bone structures. In medical imaging, the development of computed tomography, for which G. Hounsfield and A. Cormack were awarded the Nobel Prize, marked a significant advancement by offering these detailed, three-dimensional images, which can be particularly beneficial in dental and maxillofacial applications where structures like the genial tubercles can be thoroughly examined.