Facial analysis Flashcards
1
Q
what is the E-line
A
tip of nose (pronasale) to soft tissue pogonion
- upper lip should be 4mm behind that line
- lower lip should be 2mm behind that line
2
Q
what is Steiner’s S line
A
- soft tissue pogonion to point between subnasale and pronasale
- both lips should touch the S line
3
Q
what is the ideal upper midline to face relatioship adn the maximum
A
- ideal: 0mm
- maximum= 2.9-3.2mm
4
Q
what is the consonant smile
A
incisal edges should parallel the contour of th lower lip
5
Q
the gingival outline should be:
A
symmetrical and parallel to the upper lip contour
6
Q
what is the ideal and maximum occlusal cant
A
- ideal: 0 degrees
- maximum: 2.8 degrees
7
Q
how big should the incisor display on smiling be
A
10-12mm
8
Q
what is the ideal, minimum, and maximum gingival display on smiling
A
- ideal = 2.3mm
- maximum - 0.5mm
- minimum - 1mm
9
Q
what is the buccal corridor
A
- % black space of intercommissure width
10
Q
what is the minimum and maximum buccal corridor for males
A
- max = 24%
- min = 10%
11
Q
what is the minimum and maximum buccal corridor for females
A
- max: 17%
- min: 10%
