This is ortho photo slides test for 4th BDS students. Copyright by Ortho Department, Yangon

1. 4th B.D.S
SLIDES

5. Incomplete overbite

22. Supplemental UR2s.

23. An erupted mesiodens causing crowding and
displacement of the UL1.

24. mesioden

29. Increased and complete overbite

47. Crowding of maxillary second premolars as a result of
early loss of the second primary molars.
The UL5 remains impacted in the palate whilst the
UR5 has erupted palatally.

49. The lower centreline has shifted to
the right following early loss of the LRC.

72. BSI classification is --- Class ………………………………
Canine classification is --- Class ………………………………
Angle’s classification is --- Class ……………………………..
Overjet --- ………………………………………

74. What orthodontic problems can be seen from this slides ?
Write the possible causes for this problems .

75. Early loss of second deciduous molar

76. Write the possible orthodontic problems can be seen caused by thumb
sucking habit .

82. Megadont UL1.

83. A microdont (peg-shaped) UL2 seen in association with agenesis
of the UR2.

84. Mx.C.P1 transposition.