Which of the following is true regarding trimming of models with a model trimmer?
A) The occlusal plane should be perpendicular with the base.
B) Bases and anatomic portions should be soaked for 5 to 10 minutes before trimming.
C) The anterior portion of both the maxillary and mandibular arch models should be trimmed to a point at the midline.
D) The casts should be trimmed so that proportionately the base makes up one third and the anatomic portion two thirds of the total depth.
Correct Answer:
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