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BISECTING ANGLE ERRORS Interpret RAD BIOLOGY Extraoral 10 Point 20 Points 30 Points 40 Points 50 Points 10 Point 20 Points 30 Points 40 Points 50 Points 30 Points 40 Points 50 Points AUTO PROCESS

Vertical angle for maxillary teeth is (+ or -)

+

Name the instrument used for this technique

Snap a ray or E Z Grip

A negative angle means the PID points:

up

What is this end used for

Posterior PA

What should the central ray be directed at

Imaginary line that bisects the angle made by the film and long axis of tooth

Name the error

Cone cut

Name the error

Double exposed

Name the error

Never exposed or put in fixer first

Name the error

Film placed backwards

Name the error

elongation

How many compartments are there

3

How do the films move

rollers

Name the compartments in order

Developer, fixer, water

Which tank/solution is alkaline

developer

Ingredient that acts as a solvent

water

Name the condition

Recurrent caries

Name the condition

Supernumerary mesiodons

Name the condition

cyst

Name the condition

calculus

Name the condition

Horizontal impaction

What is a R, what does it measure, what is the SI equal

Roentgen, exposure, Coulomb

What is a Rad, what does it measure, SI equal

Radiation absorbed dose, amt absorbed, gray

What is a Rem, shat does it measure, Si equal

Radiation equivalent in man, effect to an area, Sievert

MPD for a DA

5 Rem/yr

MPD for pregnant worker and public

.5 Rem/yr

What is the most common extraoral film

pano

What do orthodontists use to show bone and soft tissue profiles

ceph

What is the positioning error

Chin too low

What is the error

Jewelry artifact

What is the error

Chin too far back