Esthetics Flashcards
1
Q
Three types of smiles per Rubin
Which one should you base esthetic planning on?
A
- Commissure smile (Mona Lisa)
- Social smile (self-portraits)
- Spontaneous smile (base esthetic planning on this)
2
Q
10 Commandments of Smile Esthetics
1-4?
A
Dominance of central incisors
- Smile arc (max incisors in vertical position) - Curved, straight, or inverted. Centrals lower than canine or laterals
- Ratio/symmetry of centrals (75% w/h)
- Proportion between anterosuperior teeth (golden ratio 62% not gospel, higher like 67/70 may be preferred)
- Presence of anterosuperior spaces (close midline diastema at minimum)
3
Q
10 Commandments of Smile Esthetics
5-7
A
- Gingival design (Central gingival margin are level or slightly below canine. Lateral are level or below centrals)
- Gingival exposure (<3 mm is okay, do not intrude centrals, guide tx by etiology)
- Buccal corridor (not critical for smile esthetics. Intermediate buccal corridor more attractive, avoid wide corridor)
4
Q
10 Commandments of Smile Esthetics
8-10
A
- Midline & tooth angulation (>2 mm and any tooth angulation issue must be corrected)
- Tooth color and anatomical shape (dental bleaching good, correct contacts to get papilla fill, enameloplasty good)
- Lip volume (lip volume is current standard of beauty)
5
Q
What is tooth width to length ratio on a Chu gauge?
A
78%
6
Q
What is average lip mobility in full smile?
Who has greater mobility - females or males?
A
6-8 mm
Females > Males