Esthetics

Question 1

Refers to:

• The philosophy study of beauty and taste
• The perception of the beautiful in nature and art
• Relating to the study of the principles of beauty

Answer 1

Esthetics

Question 2

What are the 3 main categories of esthetics?

Answer 2

• Facial Esthetics
• DentoFacial Esthetics
• Dental Esthetics

Question 3

_____ esthetics

• Occlusal Vertical Dimension
• Facial lower 1/3
• Lip Support
• Rickett’s “E” plane
• Nasolabial Angle

Answer 3

Facial Esthetics:

Question 4

\_\_\_\_\_ esthetics
\:-Smile Analysis
-Anterior Tooth Display
-Dental Midline
-Occlusal Plane

Answer 4

DentoFacial Esthetics

Question 5

\_\_\_\_\_ esthetics:
\:-Width:Height proportion
-Tooth:Tooth Proportion
-Gingiva
-Papilla height
-Zeinth positions
-Embrasures
-Tooth Long axis

Answer 5

Dental Esthetics

Question 6

Inner Canthus / Ala of nose corresponds to the width of what teeth?

Answer 6

Canine width

Question 7

Fundamentally the ________ is simply a line drawn from the tip of
the nose to the tip of the chin. The key assessment was to look
at how the upper and lower lip related to that line.

Answer 7

“E” plane

Question 8

Dr. Ricketts felt that to have a pleasing facial profile, in the average
Caucasian face, the lower lip would be ___mm behind the E line,
and the upper lip 4 mm behind the E line, with variations being
normal for patients of different ethnic backgrounds, but with
some commonalities applying to all patients.

Answer 8

2 mm (lower lip); 4 mm (upper lip)

Question 9

Those commonalities would be that the _____ to the “E” plane the
lips are, in some cases even being anterior to the plane, the lips
and teeth will dominate the smile with the nose and chin
appearing weak. And the _______ the plane the lips are,
the more likely the nose and chin will dominate the smile.

Answer 9

closer; farther behind

Question 10

_____ refers to the angle of the nose and lip

• Greater than 90 degrees = Convex
• Less than 90 degrees = Concave

Answer 10

Nasolabial angle

Question 11

The incisal curvature parallels the curvature of the ____ lip when smiling

Answer 11

Lower lip

Question 12

• Overall length of maxillary teeth are displayed
• Interproximal gingiva shows
• Incisal curvature parallels the lip curvature
• Incisal curvature totally or slightly touches lower lip (within 2mm)
• 6 Maxillary anterior and 2nd premolars are displayed
• Maxillary midline coincides with a harmonious balance of smile.

Answer 12

Smile Analysis:

Question 13

-Incisal edges of the maxillary anterior teeth
-Parallels the inner curvature of the lower lip and
interpupillary line
-Perpendicular to the facial/dental midline

Answer 13

Incisal Curve (Smile line)

Question 14

Full smile – lip moves to incisor tooth-gingiva
interface
-____% of young people show entire length of
central incisors

Answer 14

80%

Question 15

Low Lip Line– Less than __% incisors showing with no

gingival display

Answer 15

75%

Question 16

Women have ___ smile line twice as often as men

Answer 16

high

Question 17

Central incisors and canines lie on the save curved
line
-Incisal edges of laterals are _____ of this
line

Answer 17

1.0mm short

Question 18

T/F: -Incisal curve touches the lower lip

-or within 2mm

Answer 18

true

Question 19

What are the 4 reasons for max excessive gingival display?

Answer 19

• Hyperactive lip
• Vertical Maxillary Excess
• Altered Passive Eruption
• Dentoalveolar Extrusion

Question 20

• HyperActive Lip
• Normal movement ~ ____ mm
• Hyperactive ~ up to 2 times that movement

Answer 20

6-8mm

Question 21

-over eruption of gingiva and bone due

conditions like tooth wear

Answer 21

Dentoalveolar extrusion

Question 22

-a condition in which the free gingival
margin fails to recede during tooth
eruption to a level apical to the cervical
convexity of the clinical crown.

Answer 22

Altered Passive Eruption

Question 23

Length of Maxillary incisor exposed when at rest

• average of ___ mm exposed in females
• average of ___mm exposed in males

Answer 23

3. 5mm in females

2. 0 mm in males

Question 24

Younger person average max anterior display: ____ mm

Answer 24

3.4 mm

Question 25

Older person average max anterior display: ____ mm

Answer 25

1.25 mm

Question 26

____ and ___ phonetics – Inner edge of vermillion border (wet- dry line) -Area used to determine position of incisal 1/3 of anterior maxillary incisors

Answer 26

-”F” and “V”

Question 27

___ phonetics– Mandibular incisal edge is 1mm behind and below maxillary incisal edge -Used to determine vertical dimension of speech

Answer 27

”S”

Question 28

The maxillary midline ____ with the facial midline and is ______ to the interpupillary line. Ideally, matching maxillary midline to mandibular midline is preferred but not always possible.

Answer 28

coincides; perpendicular

Question 29

A maxillary midline deviation of ___ mm was necessary before orthodontists rated it significantly less esthetic than the others. -However, general dentists and lay people were less likely to call a 4mm deviation unesthetic.

Answer 29

4 mm

Question 30

Orthodontists, General Dentists, and even lay people could identify a __mm discrepancy in crown angulation.

Answer 30

2

Question 31

– A plane extending from the inferior border of the ala of the nose to the inferior point on the border of the tragus

Answer 31

Camper’s line

Question 32

The dental occlusal plane typically ____ with | Camper’s plane.

Answer 32

coincides

Question 33

Is a facebow always the best way to determine if occlusal plane is in line with interpupillary line?

Answer 33

No

Question 34

If there is a diastema or excess space that is desired to be closed in the anterior, what is the best treatment to be had to ensure closure of gaps without creating more gaps?

Answer 34

Ortho

Question 35

Ideal width of central incisors is _____mm

Answer 35

8.5 - 9.0

Question 36

Ideal height of central incisors is _____mm

Answer 36

10.5 -11 mm

Question 37

A “pleasing” relationship between width and height (length) is between ___- and ___%. -Width divided by height (length).

Answer 37

75% - 85%

Question 38

Ideally, there is a slight inclination of the long axis of the teeth toward the _____ The incisal and occlusal segments of the facial surfaces have _____ inclincation

Answer 38

midline; lingual

Question 39

-Lingual inclination of posterior teeth can create “negative space” creating a noticeable and unesthetic space or lack of space when a person smiles.

Answer 39

Buccal corridor

Question 40

Interproximal contacts are situated more ______ from anterior to posterior -

Answer 40

cervically

Question 41

Embrasures become ______ from anterior to | posterior

Answer 41

larger

Question 42

– Contact dimension between: Central’s, Centrals and Laterals, Laterals and Canines

Answer 42

50:40:30 Rule

Question 43

- Most gingival papilla proportions are around ___% of the tooth length. - Shape of the teeth can impact embrasure and papilla height.

Answer 43

40

Question 44

Gingival zenith of ____ and _____ are in a line parallel to | interpupillary line

Answer 44

central incisors and | canines

Question 45

Zenith of Centrals and Laterals are ____ to tooth | vertical midline

Answer 45

distal

Question 46

Zenith of Canines are _____ with vertical | midline.

Answer 46

in line

Question 47

``` A comparative ratio used to determine sizes of maxillary anterior teeth. Central = 9mm Lateral - 9 x 0.618 = 5.56mm Canine – 5.56 x 0.618 = 3.44mm ```

Answer 47

Golden Proportion

Question 48

Central incisors are ____ % width to length

Answer 48

79%

Question 49

The lateral is ___% of central

Answer 49

65%

Question 50

The canine is ___ % of lateral

Answer 50

85%

Question 51

3 Common mistakes made when replacing | maxillary anterior teeth:

Answer 51

-Flat facial aspect of the central incisors -Lateral incisor is too wide OR Lateral incisor is too narrow -Flat incisal plane