Which of the following errors is associated with improper horizontal angulation?

Improper horizontal angulation during dental radiography primarily results in overlapping of structures on the radiographic image. When the X-ray beam is not directed parallel to the interproximal spaces of the teeth, it can cause images of the teeth to overlap. This overlap obscures boundaries and makes it challenging to assess the condition of the teeth and surrounding bone accurately.

It’s essential to position the X-ray tube correctly relative to the film and the anatomical structures to capture clear images without superimposition. Understanding how horizontal angulation impacts the quality of radiographs is key to ensuring effective diagnosis and treatment planning in dentistry.