Question 111 (part 2) · LDEK · Occlusion
Indicate true statements regarding occlusal plane:
- A. it constitutes the sum of occlusal surfaces of upper and lower arch, remaining in occlusal contact.
- B. it results from medial shifting of the condyle in the projection on horizontal plane.
- C. it connects the spina nasalis anterior with highest points of external auricular meatuses.
- D. it determines the position of anatomic elements in the TMJs.
- E. it is defined as hypothetical plane resulting from connection of point located on the incisal edge of medial lower incisors and buccal cusps’ peaks of first lower molars.
Hint
The occlusal plane is defined by dental, not skeletal, reference points in the lower arch.
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