Question 325 · LDEK · Occlusion
The incisal guidance angle may change due to variation of anterior factor controlling occlusion. If overbite increases, while overjet remains unchanged:
- A. the incisal guidance angle also increases.
- B. the incisal guidance angle decreases.
- C. the incisal guidance angle remains unchanged .
- D. the incisal guidance angle remains under influence of posterior controlling factors.
- E. overbite has no effect on the incisal guidance angle.
Hint
The guidance angle reflects the ratio of vertical to horizontal incisor overlap; picture what happens to the slope when only the vertical part grows.
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