Esthetics

Question 1

what are the objectives of esthetic dentistry

Answer 1

• create restorations with pleasing proportions that reproduce function
• create an arrangement of teeth and restorations that is harmonious with the gingival tissues, lips and face of the patient

Question 2

what are the horizontal lines of reference

Answer 2

• interpupillary line
• lines of the lips

Question 3

what is in the interpupillary line

Answer 3

• incisal plane
• gingival margins
• maxilla

Question 4

what are the lines of the upper lip

Answer 4

• length of the anterior superior teeth
• vertical position of anterior gingival margins

Question 5

what are the vertical lines of reference

Answer 5

• facial mid line

Question 6

what is significant about the facial mid line

Answer 6

• localization and axis of dental mid line
• determine mesiodistal discrepancies

Question 7

what are the sagital references

Answer 7

• support of upper lip
• relationship of lower and upper lips
• occlusal plane

Question 8

what are the phonetic references

Answer 8

-M
- F and V
- S

Question 9

the perception of color is through:

Answer 9

the absorption and reflection of several longitudes of visible light waves

Question 10

what are the components of color

Answer 10

• hue: prinicple of color
• chroma: intensity or saturation of color
• value: lightness or darkness of color
• translucency

Question 11

the color of the natural dentition and of the restorations is going to vary depending on:

Answer 11

• the illumination present
• the tone of the patients skin
• restorations used
• neighboring teeth

Question 12

what are the recommendations to select color

Answer 12

• select color before dessication of the teeth occurs
• select color under an appropriate source of light
• in some instances it is appropriate to select more than one color
• a system of communication with the lab tech should be established to achieve predictable results
• the color of the restorations can be modified intrinsically and extrinsically

Question 13

what is the most important component in choosing color

Answer 13

the value

Question 14

an adequate dental midline reinforces:

Answer 14

the perception of order and organization

Question 15

the gingival levels form:

Answer 15

a reverse triangle

Question 16

the incisal embrasures are more pronounced the more ______ they are

Answer 16

posterior

Question 17

the smile follows the _____

Answer 17

convexity of the lower lip

Question 18

the inclinations of the long axis of the tooth towards the _____ are more pleasing than ___ inclinations

Answer 18

mesial; distal

Question 19

what is the golden proportion

Answer 19

• mathematical theorem used in dentistry to determine the proportion of the dentition
• considered the only tooth to determine dominance and proportion of the anterior teeth in a frontal view

Question 20

what is the golden proportion for the central incisor

Answer 20

1.618

Question 21

what is the golden proportion for the lateral incisor

Answer 21

1.0

Question 22

what is the golden proportion for the canine

Answer 22

0.618

Question 23

what is hue

Answer 23

synonymous with the term color, used to describe the color of the tooth or restoration

Question 24

what is chroma

Answer 24

describes the intensity of saturation of the color tone or hue
- refers to the level of white in the hue

Question 25

what is the value

Answer 25

relative lightness or darkness of the hue- refers to the level of grey

Question 26

high chroma is more ______ than low chroma

Answer 26

saturated/dark in color

Question 27

as the chroma decreases and the hue/color is less saturated or intense due to:

Answer 27

more lightness of the hue

Question 28

high value is _____ than low value

Answer 28

higher in color

Question 29

as the value decreases the hue becomes ____ due to____

Answer 29

darker;more gray in the hue