you use an exposure time of 10 impulses. how many seconds is this
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1/6th of a second
,what is the purpose of filtration
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absorb long wavelengths / soft radiation
size film used for anterior PA's for patients with narrow arches
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#1
max. centrals anatomy
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-nasal septum, ant. nasal spine, nasal fossa, median palatine suture, incisive
foramen
mand premolar anatomy
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mental foramen, mental ridge, mand canal
,how does exposure time differ b/w adults and children
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cut exposure time by 1/3
how does resolutiong and detial of a panoramic radiograph compare with that of PA's
and BW's
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not as sharp and detailed as the intraoral image
when viewing a PANO, you notice that a lot of spine shows on both side of the film,
what caused this
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positioning the arches too far foward
how does exposure time for children compare to that of an adult
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1/3-1/2
, how does packet placement differ b/w bisecting and paralleling
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-bisecting - packet is as close to tooth as possible, but not parallel
-parallel - packet is parallel to tooth, further away
what causes missing crowns
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excessive vertical angulation
what film would be used to locate a foreign body in the bucco-lingual relationship
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occlucal
which anatomical structures appear radiopaque
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dentin, enamel, bone
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1/6th of a second
,what is the purpose of filtration
Give this one a try later!
absorb long wavelengths / soft radiation
size film used for anterior PA's for patients with narrow arches
Give this one a try later!
#1
max. centrals anatomy
Give this one a try later!
-nasal septum, ant. nasal spine, nasal fossa, median palatine suture, incisive
foramen
mand premolar anatomy
Give this one a try later!
mental foramen, mental ridge, mand canal
,how does exposure time differ b/w adults and children
Give this one a try later!
cut exposure time by 1/3
how does resolutiong and detial of a panoramic radiograph compare with that of PA's
and BW's
Give this one a try later!
not as sharp and detailed as the intraoral image
when viewing a PANO, you notice that a lot of spine shows on both side of the film,
what caused this
Give this one a try later!
positioning the arches too far foward
how does exposure time for children compare to that of an adult
Give this one a try later!
1/3-1/2
, how does packet placement differ b/w bisecting and paralleling
Give this one a try later!
-bisecting - packet is as close to tooth as possible, but not parallel
-parallel - packet is parallel to tooth, further away
what causes missing crowns
Give this one a try later!
excessive vertical angulation
what film would be used to locate a foreign body in the bucco-lingual relationship
Give this one a try later!
occlucal
which anatomical structures appear radiopaque
Give this one a try later!
dentin, enamel, bone
