Name 3 important landmarks on a edentulous mandibular impression
- Peripheral border extension
- Sublingual “s” curve
- Lingual notch
Which is the more stable baseplate, max or mand?
Maxillary baseplate is more stable
How do you locate the maxillary occlusal plane?
Use fox plane
How do you record the maxillary occlusal plane?
With a face-bow transfer
What are 8 facial landmarks that can be used to ensure facial alignment of the denture?
- labial tubercle
- nasolabial fold
- rima oris
- labiomarginal sulcus
- philtrum
- labial commisure
- vermilion
- labiomental groove
What are the 3 facial features that ensure pleasing midfacial support from a profile view?
- Nose
- Lips (supported)
- Chin
What 5 facial features must be used as external landmarks for intraoral plane determination?
- Frontal line (across forehead - supraorbitale)
- Interpupilary line
- Anterior nasal spine
- Chin
- Lips
Who is Dr. Frank Fox?
The inventor of the fox plane – A DENTIST!!
What 2 landmarks determine the Camper’s line?
- Ala of the nose (inferior border)
2. Tragus of the ear (superior border)
What 4 standard parallel line/planes should the fox plane run parallel with?
- Supraorbitale
- Interpupilary line
- Ala-tragus (camper’s) line
- Occlusal plane
What is the interpupillar line?
Horizontal line connecting the pupils of the eyes
What are 5 names for camper’s line?
- Ala-tragus line
- camper’s plane
- Fox plane
- Occlusal plane
- Bilateral level of stensen’s duct
When was the Frankfurt Horizontal plane established?
At the World Congress on Anthropology in Frankfurt, Germany in 1884
What two landmarks connect the Frankfurt Horizontal plane?
It is the plane passing through the inferior margin of the LEFT orbit (the point called left orbitale) and the UPPER MARGIN OF EACH ear canal or external auditory meatus (a point called the “PORION”
What two important surfaces/structures was the Frankfurt line declared as running parallel with at the World Congress?
- The surface of the earth
2. The position of the head normally carried in living subjects
What is another name for the Frankfurt Horizontal plane?
Auriculo-orbital plane
What was the Frankfurt horizontal line named after?
The city of Frankfurt (Germany)
What did Hanau do for a living?
Engineer
What kind of articulator do we use?
Hanau arcon semi-adjustable articulator
