Question 197 · LDEK · Functional appliances
“Appliance is intended for treatment of prognathism. The body of appliance is cut along the occlusal plane. (…) Contstruction bite is taken in maximum rertusive position and substantial increase of vertical dimension of occlusion.” Above-mentioned description concerns:
- A. Wunderer activator.
- B. Metzelder appliance.
- C. Ostrowski appliance.
- D. Lehman appliance.
- E. Balters bionator.
Hint
Look for the Class III activator whose block is split into upper and lower parts connected by a special screw.
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