Question 4 (part 2) · LDEK · Removable appliances
Active elements in upper Schwarz plate include:
- A. active straight labial arch, Adam’s clasp.
- B. labial arch with a pelota, screw.
- C. screw, straight plane.
- D. acrylic plate, active straight labial arch.
- E. screw, closed springs.
Hint
Sort each component into force-generating, retaining, or passive base and bite elements.
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