Question: film base

Answer: is a flexible piece of polyester plastic 0.2 mm in thickness that is constructed to withstand heat, moisture, and chemical exposure

Question: adhesive layer

Answer: Is a thin layer of adhesive material that covers both sides of the film base.

Question: Film emulsion

Answer: is a coating attached to both sides of the film base by the adhesive layer to give the film greater sensitivity to x-radation. *

*.

Question: Gelatin

Answer: is used to suspend and evenly disperse millions of microscopic silver halide crystals over the film base. **During film processing, the gelatin absorbs the processing solution and allow the chemical to react with the silver halide crystals.

Question: Halide Crystals

Answer: Is a chemical compound that is sensitive to radiation or light.

Question: Silver halide crystal

Answer: Crystals that are suspended in the emulsion of the dental x-ray film. *

*

Question: protective layer

Answer: is a thin transparent coating placed over the emulsion. *

*

Question: Latent Image

Answer: the pattern of stored energy on the exposed film. *

*

Question: Sensitivity speck

Answer: an irregularity within the lattice structure of the exposed silver halide crystals that attracts the silver atoms

Question: Latent image center

Answer: Aggregates of neutral silver atoms on exposed crystals that collectively become the latent image on the emulsion of the film.