Which technique is considered the best for detecting vertical root fractures?

The use of a CT scan (computed tomography) is considered the best technique for detecting vertical root fractures due to its advanced imaging capabilities. Unlike traditional radiographic techniques, a CT scan provides a three-dimensional view of the tooth and surrounding structures. This detailed imaging allows clinicians to see subtle fractures that may not be visible with two-dimensional radiographs such as periapical films, panoramic films, or occlusal films.

Vertical root fractures are often challenging to diagnose accurately, especially in their early stages. While periapical films can show bone loss and other signs of pathology, they may not capture the complete nature of the fracture. Panoramic films provide a broad overview but sacrifice detail in the specific area of interest, making small fractures difficult to visualize. Occlusal films, though useful for assessing certain issues in the occlusion, do not provide the same comprehensive view of the root structure as a CT scan.

CT scans allow for a thorough evaluation of the tooth's morphology and adjacent anatomy, thus making them the preferred choice for accurately diagnosing vertical root fractures and guiding appropriate treatment decisions.