What is the major advantage of using the highest speed film and higher kilovoltage?

The major advantage of using the highest speed film and higher kilovoltage is that it reduces the radiation exposure to the patient. High-speed film is more sensitive to radiation, allowing it to produce high-quality images with less exposure time. Higher kilovoltage settings increase the energy of the x-rays produced, leading to better penetration through tissues and optimizing image quality while further decreasing the dose of radiation required to achieve a diagnostic image. This is particularly important in dental radiography, where minimizing radiation exposure is vital to the safety and health of the patient. By using techniques that reduce radiation dose, dental practices not only protect patients but also comply with safety standards in radiographic imaging.

In contrast, while producing a clearer image, increasing film density, or making the film easier and faster to develop holds some relevance to image quality and processing, they do not specifically address the critical aspect of patient safety and radiation exposure in the same way that reducing radiation does.