Question 192 (part 2) · LDEK · Bridges
Large, vast bridge constructions may be subject to deformation. It may be prevented by using:
- A. rectilinear course.
- B. arched course.
- C. narrowing the vestibulo-lingual dimension of pontic by ½.
- D. high cusps, deep fissures in pontic reconstruction.
- E. active pontics.
Hint
Think how arranging abutments and pontics in more than one line changes the stiffness of a long span.
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