Dental Materials Stereo-maxillary Plane Occlusal Plane Tool Complete Denture Determination Material Aluminum AlloyInstructions:1. Place the alar tragus line indicator on the occlusal plane on the line connecting the lowest point of the alar and the midpoint of the tragus, and make the maxillary wax embankment overlap with the occlusal plate. Finally, confirm that the median indicator is aligned with the median of the patient's face.2. After the bilateral nasal tragus line and facial midline are confirmed, the plane shown by the occlusal plate at this time is the maxillary occlusal plane.Package list: 1* bite board