Lecture 14 Dental Radiographic Errors

What is this error?

apical cut off

What causes apical cut off error?

film not deep enough, patient didnt bite block

What is this error?

crown cut off

What causes a crown cut off error?

film too deep

This is for a molar bitewing. What is the error?

too mesial

What bitewing is this? What is this error?

premolar, too distal

What is this error?

overlapping

this is showing _____ film placement and tube head angulation.

correct

this is showing _____ film placement and tube head angulation.

incorrect

Give the error.

slanted occlusal plane

What is this error?

elongation

What is this error?

foreshortening

What causes elongation?

insufficient vertical

What causes foreshortening?

excessive vertical

What is this error?

overlapping

What is this error? What caused it?

cone cut, PID did not encompass entire film

What is this error? What caused it?

cone cut, XCP assembly

What is this error?

cone cut

What is this error?

cone cut

What is wrong with this film?

unexposed

This image is too light. This is because exposure time is too…

short

This image is too dark. This is because exposure time is too…

olong

What is this error?

film bending

What is causing this error?

film bent, patients anatomy

What is this error?

film creasing

What are you looking at in this image? Give the term.

finger, phalangioma

What is this error?

double exposure

What is this error?

blur, movement

What is this error?

reverse

What is the pattern for a reverse film error?

Herringbone

What is this error?

dot in apical area

This is an _______ image.

underdeveloped

This is an ________ image.

overdeveloped

What is this error?

reticulation

What caused reticulation error?

sudden temp change

What is this error?

developer spots

What causes developer spots?

solution hits film before processing

What is this error?

fixer spots

What causes fixer spots error?

fixer hits film before processing

What causes a yellow brown color?

insufficient fixing time or rinse, exhausted developer/fixer

What is this error?

developer cut off

What causes developer cut off error?

developer level low

How can you tell the difference between a developer cut off and cone cut?

rounded vs straight line

What is this error?

fixer cut off

What is this error?

overlapped films

What is this error?

overlapped films

What is this error?

air bubbles

What is this error?

finger nail

What is this error?

fingerprints

What is this error? What caused it?

static electricity, film opened too quickly

What is this error?

scratches

What causes scratches on film?

soft emulsion or film was dropped

This is a light leak. Give the 2 main causes.

opened in white light. lights were switched on

What is this error?

light leak

What is this gray lack of detail error?

fogged film

What is this error?

saliva

What is the black streak error caused by?

automatic processor rollers