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 lines of the upper lip

Answer 5

• buccolingual position of the incisal border of the anteriorsuperior teeth
• curvature of the incisal plane

Question 6

what are the vertical lines of reference

Answer 6

• facial mid line

Question 7

what is significant about the facial mid line

Answer 7

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

Question 8

what are the sagital references

Answer 8

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

Question 9

what are the phonetic references

Answer 9

-M
- F and V
- S

Question 10

the perception of color is through:

Answer 10

the absorption and reflection of several longitudes of visible light waves

Question 11

what are the components of color

Answer 11

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

Question 12

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

Answer 12

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

Question 13

what are the recommendations to select color

Answer 13

• 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 14

what is the most important component in choosing color

Answer 14

the value

Question 15

an adequate dental midline reinforces:

Answer 15

the perception of order and organization

Question 16

the gingival levels form:

Answer 16

a reverse triangle

Question 17

the incisal embrasures are more pronounced the more ______ they are

Answer 17

posterior

Question 18

the smile follows the _____

Answer 18

convexity of the lower lip

Question 19

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

Answer 19

mesial; distal

Question 20

what is the golden proportion

Answer 20

• 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 21

what is the golden proportion for the central incisor

Answer 21

1.618

Question 22

what is the golden proportion for the lateral incisor

Answer 22

1.0

Question 23

what is the golden proportion for the canine

Answer 23

0.618