Question 298 · LDEK · Complete dentures
When establishing the centric occlusal position in a patient without teeth the patient is asked to say “O-M” and make sure that with the prolonged “M” sound the lips come into contact. In the final stage of articulating “M”:
- A. the mandible and the maxillary are in the intercuspal position.
- B. the mandible and the maxillary are separated from each other by 1-2 mm in the occlusal plane.
- C. the mandible is in the protrusive position.
- D. the mandible is in the retruded occlusal position.
- E. the mandible is in the resting position.
Hint
The prolonged 'M' with lips lightly touching is a phonetic way to find the mandibular position from which vertical dimension is derived.
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