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ohio state board dental assisting study guide.
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ohio state board dental assisting study guide.
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ohio state board dental assisting study guideName of tooth number one? Correct Answer-mandibular third molar
What is PPE? Correct Answer-Personal protective equipment
What is a slow speed suction device? Correct Answer-saliva ejector
The harmful effect of radiation on human tissues are ? Correct Answer-
cumulative
The protective lead apron must have this much amount of lead Correct
Answer-0.25 mm
What do filters do in the x ray beam? Correct Answer-reduce patient
radiation
What is the recommended collimation of the radiation beam at the
patient's skin surface? Correct Answer-2.75
When radiographic technique records the most accurate image of crown
roots and supporting structures of a sleeked area of the oral cavity?
Correct Answer-periapical film
What is the primary use of a bitewing radiograph? Correct Answer-
check for inter proximal decay
What causes herringbone Correct Answer-...
What is the name of the piece of lab equipment on with impressions are
placed when being pureed up? Correct Answer-vibrator
Which is not classified as a developmental dental abnormality Correct
Answer-periapical abcess
Which restorative material appear radiopaque on a radiograph? Correct
Answer-dental pulp
What causes light film? Correct Answer-underdevolping underexposure
extra
, What technique is best when exposing intraoral film prior to placing an
implant? Correct Answer-panoramic technique
What is the correct angulation used when taking biting radiograph?
Correct Answer-+10 degrees
Which is not classified as a development abnormality? Correct Answer-
periapical absess
What is called when a lead disc is used for the elimination of the
peripheral portion of the x ray beam? Correct Answer-collimation
What is a false statement about duplicating film? Correct Answer-may
be used intra oral
What is full mouth survey? Correct Answer-can be replaced with a
panarox film
Kv of a dental x ray machine effects what? Correct Answer-quality 0f x
rays
What is optimum developing temp and time for manual processing?
Correct Answer-68 de 4-5 min
Chemical present in developer that builds black and gray tones? Correct
Answer-metol or hydroquinone
What effects density on a x ray film ? Correct Answer-all, kv, milla
amps, source to tube distance, proper processing.
A charged coupling device made of what substance? Correct Answer-
silicon- for digital radiographs
Patients may wear what during panoramic? Correct Answer-wristwatch,
bracelet ring etc
What describes a cephalometric extra oral film? Correct Answer-all -
used by orthodontist, has soft tissue outline, measure changes in growth
patterns
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