A 9 year old child has Class-II Div. 1 malocclusion. What will be the treatment option?
A. Face Mask Therapy
B. Reverse Twin Block
C. High Pull Head Gear
D. Chin Cap Therapy
A. Face Mask Therapy
B. Reverse Twin Block
C. High Pull Head Gear
D. Chin Cap Therapy
Ans. (C)
For Option
(A)- Face Mask- Head gears are generally used for the purpose of reinforcement
of anchorage or for maxillary
distatization. However, when an anterior protractory force is required, a
protraction head gear is used. Facial mask
therapy has gained popularity.
For Option
(B)- Reverse Twin Block- The normal twin block appliance is used for correction
of Class II malocclusion,
Reverse twin block on the other hand is used to correct Class III.
For Option
(C)- Head Gear- Distalization Of Molars- Distal movements of upper molars may
be required for correction
of molar relation or to gain space for correction of crowding or retraction of
anteriors.
For Option
(D)- Chin Cap- The chin cup or chin cap as it sometimes referred to is an
extra-oral orthopedic device that covers chin and is connected to
a head gear. It IS used to restrict the forward and downward growth of mandible .
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