Radiology processing and technique errors

completely black

film exposed to light

completely clear

unexposed film
not submersed in developer completely
bromides washed off because not exposed
fixed first

light film

underdeveloped

dark film

overdeveloped

dark spots

developer spots/ splash

light spots

fixer splash on film before processing

yellow, brown color

exhausted chemicals, insufficient rinsing, incomplete fixation

white spots

Air bubbles" -> reticulation
-Air trapped on film surface after film placed in solution

thin, black branching lines

static electricity (aboration) - packet is opened too quickly or low humitdity

herringbone/ tire tracking

backwards film in mouth

white lines

soft emulsion removed from film by a sharp object - scratched film

elongated roots

slightly bent film

diagonal black line

severely bent film

exposed area is black

light leakage

Fogged film

grey film caused by:
light in darkroom
scatter radiation
improper safelight
outdated films
improper film storage
contaminated solutions
underdevelopment

air space seen; lack of apices

patient not biting on bite block

images are tipped to one side

improper film placement

overlapped teeth in contacts

incorrect horizontal angulation

short teeth with blunted roots (foreshortened)

too much vertical angulation

long, distorted teeth (elongation)

too little vertical angulation

unexposed are on film (cone-cut)

central ray not in center of film

may appear as dental caries; radiolucent (cervical burnout)

radiolucent artifact seen in areas of different densities

Only Friends Understand Excuses

Over= foreshadowing; Under= elongation. Refers to vertical angulation

If palatoglossal air space occurs, what happened?

patient did not place tongue on roof of mouth during pano