Which of the following is a golden rule of patient positioning for a dental panoramic radiograph?

The golden rule of patient positioning for a dental panoramic radiograph is that the patient's spine should be straight. This is essential for obtaining accurate and clear images. Proper spinal alignment helps ensure that the imaging beam is correctly oriented and that the anatomical structures are represented without distortion. A straight spine contributes to the stability of the patient's position and minimizes motion during the radiographic exposure, which is critical for high-quality imaging.

Maintaining a straight spine allows for the optimal alignment of the head and neck, which further aids in achieving correct positioning of the mandible and maxilla in relation to the x-ray source. When the spine is not straight, it can lead to incorrect positioning of the jaw, resulting in inaccuracies in the radiograph that can affect diagnosis and treatment planning.

In contrast, elevating the patient's feet, crossing the arms, or not tucking the chin can all contribute to misalignment or instability, compromising the quality of the radiographic image. Therefore, ensuring the spine is straight is a fundamental aspect of effective patient positioning for panoramic radiographs.