Oral Radio lo gy Exam 2 Oral Radiology Exam 2 2026
Study this set o nline at: https://www.cram.co m/flashcards/o ral-radio lo gy-exam-2-
8396185
Whi ch part of the tooth i s most i mportant f orproper al i gnment of a bi tewi ng
Crown
radi ograph, i n order to reduce shape di storti on?
What external l y vi si bl e anatomi cal l andmarks areused to approxi mate the
l ocati on of the api ces of : (A) Al a(Nose) & T ragus (E ar)... line between them
(A) maxi l l ary teeth? (B) I nf eri or Border of Mandi bl e... ~ 1/2 inch a bove it
(B) mandi bul ar teeth?
Whi ch 2 rul es of the 5 basi c rul es of a goodshadow i mage are NOT possi bl e to (1) Beamperpendi cul ar to the tooth/detector
achi eve when usi ng bi secti ng posi ti oni ng f or an i ntraoral radi ograph? (2) D etector paral l el to tooth
Accordi ng to the Ameri can Academy of Oral & Maxi l l of aci al Radi ol ogy, the goal
Radi ati on exposure to the pati ent
of radi ol ogi c care i s to produce hi gh-qual i ty i mages wi th a mi ni mum of ...
X-ray can damage cel l ul ar D NA by di rect i nteracti on of i ndi rectl y. What i s the
F ree Radi cal s
mi n mechani sm of i ndi rect degradati on of D NA by X-rays?
What i s the best type of i ntraoral radi ograph f or exami nati on of the l ami na dura? Peri api cal
Photosti mul abl e phosphor detectors uti l i ze “traps” to hol d el ectrons that have
been di spl aced f rom thei r ground states by x-rays. What porti on of the Vi si bl e Li ght Porti on
el ectromagneti c spectrum i s used to rel ease theel ectrons f rom these traps?
Where are the myl ohyoi d ri dge & obl i que ri dge i n rel ati on to the mental f oramen? Posteri or
, Oral Radio lo gy Exam 2 Oral Radiology Exam 2 2026
Study this set o nline at: https://www.cram.co m/flashcards/o ral-radio lo gy-exam-2-
8396185
Arrange i n order f rom most sensi ti ve to l eastsensi ti ve to X-ray radi ati on: CT ,
Bone Marrow > CT > T hyroi d > Muscl e
T hyroi d, Bone Marrow, Muscl e
What types of x-rays occur i n the cathode raytube? Bremsstrahl ung and Characteri sti c
T rue or F al se?
F AL S E
I n l i censed Cl i ni cal practi ce,you are requi red to keep each radi ograph f or 7 years
i ti s 7 years af ter pati ent i s no l onger a pati ent
af ter the i mage i s f i rstobtai ned.
Correct techni cal term f or carri es that f orm atthe base of the tooth’s crown (near
Root Cari es or Cemental Cari es
the al veol ar crest)
Uni ts of absorbed dose of radi ati on 1Gray = 100 rads = 1 j oul e/kg
(1) T he LongAxi s of the T ooth
I n the bi secti ng angl e techni que, i magi nary l i nebi sects between what 2 obj ects?
(2) Pl ane of the D etector
I n a cross-secti onal mandi bul ar occl usal set-up,the central ray f rom the BI D i s
D etectoror Occl usal pl ane
posi ti oned perpendi cul ar to the...
Cl assi cal Shape of E 1 I nterproxi mal Cari es Lesi on T ri angul ar
, Oral Radio lo gy Exam 2 Oral Radiology Exam 2 2026
Study this set o nline at: https://www.cram.co m/flashcards/o ral-radio lo gy-exam-2-
8396185
Cl assi cal Shape of Buccal Surf ace Cari es Lesi on Round/Oval
I n a dental radi ograph, the pati ent’s mandi bul ar f oramen shoul d be cl oses to
Mandi bul ar 3rd Mol ars
whi ch teeth?
Where are the l argest medul l ary spaces seen i ndental radi ography? Posteri or Mandi bl e
I n di gi tal radi ography, i mage resol uti on i srel ated to pi xel si ze. What control s
Si zeof the si l ver hal i de crystal s (grai ns)
i mage resol uti on i n f i l m radi ography?
Curve of maxi l l ary arch as usual l y presented i na topographi cal occl usal
radi ograph?
Rel ati ve E of I nci dent Photo? L OW E R
D o Resul ti ng Photons have enough E to E xi t f rom Pati ent? N O o r R AR E L Y
Coherent Li ght Scatteri ng
Approxi mate % of Ori gi nal I nci dent C-ray that Undergoes thi s T ype of Scatteri ng?
7%
Rel ati ve E of I nci dent Photo? H I G H E R
D o Resul ti ng Photons have enough E to E xi t f rom Pati ent? Y E S
Compton Li ght Scatteri ng
Approxi mate % of Ori gi nal I nci dent C-ray that Undergoes thi s T ype of Scatteri ng?
57%
(A) mass or kVp
(B) kVp
(C) Obj ect to D etector D i stance
(D ) Al i gnment
(E ) F ocal Spot Si ze
Study this set o nline at: https://www.cram.co m/flashcards/o ral-radio lo gy-exam-2-
8396185
Whi ch part of the tooth i s most i mportant f orproper al i gnment of a bi tewi ng
Crown
radi ograph, i n order to reduce shape di storti on?
What external l y vi si bl e anatomi cal l andmarks areused to approxi mate the
l ocati on of the api ces of : (A) Al a(Nose) & T ragus (E ar)... line between them
(A) maxi l l ary teeth? (B) I nf eri or Border of Mandi bl e... ~ 1/2 inch a bove it
(B) mandi bul ar teeth?
Whi ch 2 rul es of the 5 basi c rul es of a goodshadow i mage are NOT possi bl e to (1) Beamperpendi cul ar to the tooth/detector
achi eve when usi ng bi secti ng posi ti oni ng f or an i ntraoral radi ograph? (2) D etector paral l el to tooth
Accordi ng to the Ameri can Academy of Oral & Maxi l l of aci al Radi ol ogy, the goal
Radi ati on exposure to the pati ent
of radi ol ogi c care i s to produce hi gh-qual i ty i mages wi th a mi ni mum of ...
X-ray can damage cel l ul ar D NA by di rect i nteracti on of i ndi rectl y. What i s the
F ree Radi cal s
mi n mechani sm of i ndi rect degradati on of D NA by X-rays?
What i s the best type of i ntraoral radi ograph f or exami nati on of the l ami na dura? Peri api cal
Photosti mul abl e phosphor detectors uti l i ze “traps” to hol d el ectrons that have
been di spl aced f rom thei r ground states by x-rays. What porti on of the Vi si bl e Li ght Porti on
el ectromagneti c spectrum i s used to rel ease theel ectrons f rom these traps?
Where are the myl ohyoi d ri dge & obl i que ri dge i n rel ati on to the mental f oramen? Posteri or
, Oral Radio lo gy Exam 2 Oral Radiology Exam 2 2026
Study this set o nline at: https://www.cram.co m/flashcards/o ral-radio lo gy-exam-2-
8396185
Arrange i n order f rom most sensi ti ve to l eastsensi ti ve to X-ray radi ati on: CT ,
Bone Marrow > CT > T hyroi d > Muscl e
T hyroi d, Bone Marrow, Muscl e
What types of x-rays occur i n the cathode raytube? Bremsstrahl ung and Characteri sti c
T rue or F al se?
F AL S E
I n l i censed Cl i ni cal practi ce,you are requi red to keep each radi ograph f or 7 years
i ti s 7 years af ter pati ent i s no l onger a pati ent
af ter the i mage i s f i rstobtai ned.
Correct techni cal term f or carri es that f orm atthe base of the tooth’s crown (near
Root Cari es or Cemental Cari es
the al veol ar crest)
Uni ts of absorbed dose of radi ati on 1Gray = 100 rads = 1 j oul e/kg
(1) T he LongAxi s of the T ooth
I n the bi secti ng angl e techni que, i magi nary l i nebi sects between what 2 obj ects?
(2) Pl ane of the D etector
I n a cross-secti onal mandi bul ar occl usal set-up,the central ray f rom the BI D i s
D etectoror Occl usal pl ane
posi ti oned perpendi cul ar to the...
Cl assi cal Shape of E 1 I nterproxi mal Cari es Lesi on T ri angul ar
, Oral Radio lo gy Exam 2 Oral Radiology Exam 2 2026
Study this set o nline at: https://www.cram.co m/flashcards/o ral-radio lo gy-exam-2-
8396185
Cl assi cal Shape of Buccal Surf ace Cari es Lesi on Round/Oval
I n a dental radi ograph, the pati ent’s mandi bul ar f oramen shoul d be cl oses to
Mandi bul ar 3rd Mol ars
whi ch teeth?
Where are the l argest medul l ary spaces seen i ndental radi ography? Posteri or Mandi bl e
I n di gi tal radi ography, i mage resol uti on i srel ated to pi xel si ze. What control s
Si zeof the si l ver hal i de crystal s (grai ns)
i mage resol uti on i n f i l m radi ography?
Curve of maxi l l ary arch as usual l y presented i na topographi cal occl usal
radi ograph?
Rel ati ve E of I nci dent Photo? L OW E R
D o Resul ti ng Photons have enough E to E xi t f rom Pati ent? N O o r R AR E L Y
Coherent Li ght Scatteri ng
Approxi mate % of Ori gi nal I nci dent C-ray that Undergoes thi s T ype of Scatteri ng?
7%
Rel ati ve E of I nci dent Photo? H I G H E R
D o Resul ti ng Photons have enough E to E xi t f rom Pati ent? Y E S
Compton Li ght Scatteri ng
Approxi mate % of Ori gi nal I nci dent C-ray that Undergoes thi s T ype of Scatteri ng?
57%
(A) mass or kVp
(B) kVp
(C) Obj ect to D etector D i stance
(D ) Al i gnment
(E ) F ocal Spot Si ze
