Dental Radiography Ch. 3 Quiz Questions with Complete Solutions

Dental Radiography Ch. 3 Quiz Questions with Complete Solutions Why is it important to use proper horizontal angulation in bitewing radiography? To prevent overlapping of interproximal surfaces. Why do we use a long cone technique in radiography? To minimize distortion and magnification. What happens if X-rays are exposed to film for too long? The image becomes overexposed and too dark. Why are digital sensors preferred over traditional film in modern radiography? They reduce radiation exposure and provide instant results. What does the “inverse square law” mean in dental radiography? Radiation intensity decreases as distance from the source increases. 2 Why is the aluminum filter placed in the path of the X-ray beam? To remove low-energy, harmful X-rays. How does a higher kilovoltage setting affect the X-ray beam? It produces more penetrating and higher-energy X-rays. What causes distortion in a radiographic image? Incorrect alignment of the X-ray beam, object, or receptor. What is the term for areas on a radiograph that appear white? Radiopaque. Why is it important to use lead aprons during X-ray procedures? To protect patients from scatter radiation. What causes elongation in a dental radiograph? Using insufficient vertical angulation. 3 What is the latent image in film-based radiography? The invisible image formed after exposure but before processing. Why is scatter radiation a concern in radiography? It can reduce image quality and increase unnecessary exposure. What is the purpose of the intensifying screen in panoramic radiography? To amplify the effect of X-rays and reduce patient exposure. What is the primary cause of film fog? Exposure to light or improper storage. Why do dental X-ray machines have a set exposure time? To control the amount of radiation reaching