Final answer:
Mandibular tori appear as white or lighter areas on an X-ray image.
Step-by-step explanation:
Mandibular tori are bony growths that occur on the lower jaw. They generally appear as hard, bony protuberances along the inner side of the mandible. In terms of their appearance on an X-ray, mandibular tori are radiopaque, which means they appear as white or lighter areas on the X-ray image.