Exam questionKROK 2Dentistry ยท 2013
A 12-year-old child has half retention of the 25 tooth, the dental arch lacks space for for 1/3 of the crown. The upper incisors overlap the lower ones by 2/3, the relationship of the first permanent molars on the left corresponds with Angle's class 2. Rational design of orthodontic appliance for the upper jaw should include:
Answer options
- Radial asymmetric screw
- Unilateral screw for the 25 tooth and bite plate
- Lateral inclined plane
- Bilateral expansion screw
- Radial symmetric screw
Correct answer
Unilateral screw for the 25 tooth and bite plate
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