City & Guilds Level 3 Diploma in Dental Nursing Practice Test 2026 - Free Dental Nursing Practice Questions and Study Guide

The function of anterior occlusal x-rays is primarily to visualize unerupted or supernumerary teeth. These radiographs are particularly valuable in examining the anterior region of the dental arch, which includes incisors and canines. By capturing a broader view of the upper and lower jaws, anterior occlusal x-rays can help identify teeth that have not yet emerged through the gums, as well as any extra teeth that may develop, a condition known as supernumerary teeth.

This imaging technique allows dental professionals to assess the spatial arrangement of teeth and plan for any necessary treatments, such as orthodontics or extraction. The clarity of the occlusal surface provides a good indication of the position and condition of these teeth, making these x-rays a vital tool in dental examinations.

The other choices pertain to specific functions that do not align with the primary use of anterior occlusal x-rays. For example, x-rays intended for showing molars would focus on a different area of the mouth and not primarily on the anterior teeth. Similarly, displaying the occlusal surface of posterior teeth would be more associated with different types of radiographs, such as periapical films. Evaluating the periodontal condition typically requires different imaging techniques, such as bitew