INBDE (Integrated National Board Dental Examination) Practice Exam 2026 - Free Practice Questions and Study Guide

An x-ray film is made up of multiple components, such as a base material and a coating. A plastic base is commonly used for x-ray films due to its flexibility and durability. Option A and B are incorrect because they do not mention a coating with silver halide crystals, which are essential for capturing x-ray images. While option D mentions a metal base, it is not commonly used for x-ray films due to its inflexibility and higher cost. Therefore, the correct answer is option C, a plastic base coated in silver halide crystals suspended in gelatin.