ASCORERS STUVIA
NDAEB lEXAM lPREP l2023&24 lUPDATED lMULTIPLE
QUESTIONS lWITH lCORRECT lANSWERS lALREADY lGRADED
l
l A+
What ltwo lbasic lmethods lare lused lto lacquire la ldigital lx-ray limage? l l l
l ...ANSWER... l lDirect limaging(sensor) l& lindirect limaging(PSP)
Advantages lof lDigital lRadiography l l l l...ANSWER... l lImmediate lviewing lof
l images, lless lradiation, lno lchemicals, lability lto lenhance limages,
l communication lwith lother ldentists, lno lmore llost lfilms, lremote lconsultation
l capability
Disadvantages lof lDigital lRadiography l l l l...ANSWER... l lCost, lconverting
l previous lrecords lto ldigital, llearning lthe lcomputer lsoftware, lthickness land
l rigidity lof lsensors, linfection lcontrol
What lis lintraoral lfilm lcomposed lof? l l l l...ANSWER... l lFilm lBase l- lClear
l Cellulose lAcetate
,ASCORERS STUVIA
Thin lAdhesive lLayer
Silver lHalide lCrystals l- labsorb lradiation
A lprotective llayer lto lprotect lthe lemulsion lsurface.
What lis la llatent limage? l l l l...ANSWER... l lThe limage lon lthe lfilm lthat lis lnot lyet
l visible lbecause lit lhas lnot lbeen lprocessed.
What ldoes l'film lspeed' lrefer lto? l l l l...ANSWER... l lThe lamount lof lradiation lthat
l is lrequired lto lproduce la lradiograph lof lstandard ldensity.
True lor lfalse: lThe llarger lthe lsilver lhalide lcrystals, lthe lfaster lthe lfilm lspeed? l l l
l ...ANSWER... l lTrue
What lis lthe lfastest lfilm lspeed lcurrently lavailable? l l l l...ANSWER... l lF-Speed.
l (It lreduces lpatient lexposure lto lradiation lby l20-60% lcompared lto lE lor lD lspeed
l film)
,ASCORERS STUVIA
What lare lthe l3 ltypes lof lx-ray lfilm lused lin ldental lradiography? l l l
l ...ANSWER... l lIntraoral lfilm, lextraoral lfilm, land lduplicating lfilm.
When ldoes la l"Herringbone" lpattern loccur lon ldental lfilm? l l l l...ANSWER... l
l When lit lis lplaced lin lthe lmouth lbackwards.
What lare lthe l5 lbasic lsizes lthat lintraoral lfilm lcomes lin? l l l l...ANSWER... l
l Child lSize: l0
Narrow lAnterior: l1
Adult lSize: l2
Preformed lbitewing: l3 l(infrequently lused)
Occlusal: l4
What lare ltwo lcommon lextraoral lradiographs ltaken? l l l l...ANSWER... l
l Panoramic land lCephalometric.
What lis lan lintensifying lscreen? l l l l...ANSWER... l lA ldevice lthat lintensifies lor
l increases lthe leffect lof lradiation land lthus ldecreases lthe lamount lof lexposure
, ASCORERS STUVIA
l time lneeded. lIt lis lcoated lwith lphosphor lwhich lgives loff llight lwhen lstruck lby
l x-radiation.
What lare lthe l5 lsteps lin lprocessing lfilm? l l l l...ANSWER... l l1. lDeveloping
l (reduce lthe lsilver lhalide lcrystals linto lblack lmetallic lsilver)
2. lRinsing l(remove ldeveloper lfrom lfilm)
3. lFixing. l(use lan lacidic lsolution lto lremove lunexposed lsilver lhalide lcrystals)
4. lWashing l(wash lthe lfilm)
5. lDrying
What lare lthe ltwo ltechniques lthat lcan lbe lused lfor lexposing lintraloral limages? l l
ll ...ANSWER... l lBisecting l& lParalleling
5 lBasic lRules lof lthe lParalleling lTechnique l l l l...ANSWER... l l1. lPlacement: lit
l must lcover lcorrect lteeth lto lbe lexamined
2. lPosition: lit lmust lbe lparallel lto lthe llong laxis lof lthe ltooth.
NDAEB lEXAM lPREP l2023&24 lUPDATED lMULTIPLE
QUESTIONS lWITH lCORRECT lANSWERS lALREADY lGRADED
l
l A+
What ltwo lbasic lmethods lare lused lto lacquire la ldigital lx-ray limage? l l l
l ...ANSWER... l lDirect limaging(sensor) l& lindirect limaging(PSP)
Advantages lof lDigital lRadiography l l l l...ANSWER... l lImmediate lviewing lof
l images, lless lradiation, lno lchemicals, lability lto lenhance limages,
l communication lwith lother ldentists, lno lmore llost lfilms, lremote lconsultation
l capability
Disadvantages lof lDigital lRadiography l l l l...ANSWER... l lCost, lconverting
l previous lrecords lto ldigital, llearning lthe lcomputer lsoftware, lthickness land
l rigidity lof lsensors, linfection lcontrol
What lis lintraoral lfilm lcomposed lof? l l l l...ANSWER... l lFilm lBase l- lClear
l Cellulose lAcetate
,ASCORERS STUVIA
Thin lAdhesive lLayer
Silver lHalide lCrystals l- labsorb lradiation
A lprotective llayer lto lprotect lthe lemulsion lsurface.
What lis la llatent limage? l l l l...ANSWER... l lThe limage lon lthe lfilm lthat lis lnot lyet
l visible lbecause lit lhas lnot lbeen lprocessed.
What ldoes l'film lspeed' lrefer lto? l l l l...ANSWER... l lThe lamount lof lradiation lthat
l is lrequired lto lproduce la lradiograph lof lstandard ldensity.
True lor lfalse: lThe llarger lthe lsilver lhalide lcrystals, lthe lfaster lthe lfilm lspeed? l l l
l ...ANSWER... l lTrue
What lis lthe lfastest lfilm lspeed lcurrently lavailable? l l l l...ANSWER... l lF-Speed.
l (It lreduces lpatient lexposure lto lradiation lby l20-60% lcompared lto lE lor lD lspeed
l film)
,ASCORERS STUVIA
What lare lthe l3 ltypes lof lx-ray lfilm lused lin ldental lradiography? l l l
l ...ANSWER... l lIntraoral lfilm, lextraoral lfilm, land lduplicating lfilm.
When ldoes la l"Herringbone" lpattern loccur lon ldental lfilm? l l l l...ANSWER... l
l When lit lis lplaced lin lthe lmouth lbackwards.
What lare lthe l5 lbasic lsizes lthat lintraoral lfilm lcomes lin? l l l l...ANSWER... l
l Child lSize: l0
Narrow lAnterior: l1
Adult lSize: l2
Preformed lbitewing: l3 l(infrequently lused)
Occlusal: l4
What lare ltwo lcommon lextraoral lradiographs ltaken? l l l l...ANSWER... l
l Panoramic land lCephalometric.
What lis lan lintensifying lscreen? l l l l...ANSWER... l lA ldevice lthat lintensifies lor
l increases lthe leffect lof lradiation land lthus ldecreases lthe lamount lof lexposure
, ASCORERS STUVIA
l time lneeded. lIt lis lcoated lwith lphosphor lwhich lgives loff llight lwhen lstruck lby
l x-radiation.
What lare lthe l5 lsteps lin lprocessing lfilm? l l l l...ANSWER... l l1. lDeveloping
l (reduce lthe lsilver lhalide lcrystals linto lblack lmetallic lsilver)
2. lRinsing l(remove ldeveloper lfrom lfilm)
3. lFixing. l(use lan lacidic lsolution lto lremove lunexposed lsilver lhalide lcrystals)
4. lWashing l(wash lthe lfilm)
5. lDrying
What lare lthe ltwo ltechniques lthat lcan lbe lused lfor lexposing lintraloral limages? l l
ll ...ANSWER... l lBisecting l& lParalleling
5 lBasic lRules lof lthe lParalleling lTechnique l l l l...ANSWER... l l1. lPlacement: lit
l must lcover lcorrect lteeth lto lbe lexamined
2. lPosition: lit lmust lbe lparallel lto lthe llong laxis lof lthe ltooth.
