Exam questionKROK 2Dentistry · 2014
In a 7-year-old child the right mandibular molars overlap the maxillary molars, there are no other occlusion abnormalities. Size and shape of the lower dental arch are normal. Specify the appliance for the treatment of this abnormality:
Answer options
- Upper-jaw appliance with a right guide plane
- Upper-jaw appliance with a sector expansion screw
- Angle’s coil spring
- Upper-jaw appliance with a middle expansion screw
- Upper-jaw appliance with a left guide plane
Correct answer
Upper-jaw appliance with a sector expansion screw
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