in panoramic x-ray impacted canines appears wider mesio-distaly if located?
a: palatally
b: labially
c: apically
A: palatally
what of the following oral habits will occur after early loss of upper central primary incisors ?
a: thumb sucking
b: tongue thrust
c: mouth breathing
B: tongue thrust
a: stage 1
b: stage 2
c: stage 3
d: stage 4
C: stage 3
which of the following methods can be used to decrease friction regarding fixed appliance
a: using figure 8 oti
b: using ceramic braces
c: using ligature tie instead of oti
C: using ligature tie instead of oti
a: cross bite
b: impacted teeth
c: spacing
C: spacing
during wire sequence from 12 to 18 Niti which of the following does not occur :
a: levelling and alignment
b: torque correction
c: angulation correction
d: intrusion and extrusion
b: torque correction
indication of anterior bite turbo:
a: anterior cross bite
b: open bite
c: deep bite with increased overjet
d: deep bite with decreased overjet
d: deep bite with decreased overjet
pt with ANB +6
interincisal angle 145
what is the expected diagnosis :
a: class |
b: class || div.1
c: class || div.2
d: class |||
c: class || div.2
adenoid faces seen in :
a: tongue thrusting
b: tongue sukking
c: mouth breather
d: lip sucker
c: mouth breather
the force required for intrusion incisal anterior tooth:
a: 15-25 gm
b: 30-50 gm
c: 50-75 gm
d: 75-90 gm
a: 15-25 gm
The optimal time for planned extraction of compromised 6s for ideal spontaneous space closure is indicated by which radiographic feature:
a: 2nd permanent molar calcifying at bifurcation
b: 1st permanent molar calcifying at bifurction
c:3rd permanent molar calcifying at bifurction
a: 2nd permanent molar calcifying at bifurcation
a: round ss
b: 16x22 ss
c: 17x25 ss
B: 16x22 ss
E Line is significant regarding it's reading of which in the following cases :
a: skeletal class |
b: skeletal class ||
c: skeletal class |||
C: skeletal class |||
a: 2mm per quadrant
b: 2mm per arch
c: 4mm per quadrant
A: 2mm per quadrant
a: positive angulation
b: negative torque
c: positive torque
d: extrusion
B: negative torque
At age of 7 we can interfere to correct all of the following malocclusions exept:
a: anterior cross bite
b: open bite
c: spacing
d: supernumerary
C: spacing
third order bend corresponding which type of tooth movement :
a: torque
b: angulation
c: buccopalatal
d: incisogingival
a: torque
indication of anterior bite turbo :
a: deep bite with large overjet
b: anterior cross bite
d: open bite
d: deep bite with decreased overjet
D: deep bite with decreased overjet
Dental compensation occurs in some of skeletal class III cases as:
A. Upper incisors retrocline and lower incisors procline.
B. Upper incisors procline and lower incisors retrocline.
C. Upper and lower incisors procline.
D. Upper and lower incisors retroline.
B. Upper incisors procline and lower incisors retrocline.
Which movements of the molar will occur with this type of
low pull headgear?
a) No movement
b) Forward and downwards
c) Backwards and upwards
d) Backwards and downwards
e) Forward and upward
d) Backwards and downwards
18 YEARS OLD PATIENT (INCREASED OVER JET)
SNA 85 , SNB 75 , U1-SN = 99 , L1-MB= 104
which type of intervention :
a: extraction upper 4s
b: proclination upper incisors
c: orthognathic surgery with orthodontics ttt
d: headgear
c: orthognathic surgery with orthodontics ttt
a: space closure
b: extraction lower 4s
c: space opening & future implants
d: extraction upper 4s
C: space opening & future implants
The orientation of movement of the Sella Turcica with age is:
a) Forward and downwards
b) Backwards and upwards
c) Downwards and backwards
d) Forwards and upwards
e) Downwards and backwards
e) Downwards and backwards
bonded HYRAX type of fixed rapid maxillary expansion appliance is:
A. Tissue borne appliance
B. Tooth borne appliance
C. Tooth-tissue borne appliance
D. None of the above
C. Tooth-tissue borne appliance
11 yrs old pt. brackyfacsial with mandibular deficiency maxillary prognathism and deep bite what is the best TTT?
a: normal pull headgear
b:high pull head gear with activator
c:chin cap
D: low pull head gear with activator
D: low pull head gear with activator