Composite aesthetics 1

Question 1

What is confidence line?

Answer 1

The ideal line of the lower lip

Question 2

What is occlusal cant?

Answer 2

Where the left and right side of the mouth is not in-line

Question 3

What is emergence profile?

Answer 3

The angle at which the tooth is constructed at

Question 4

What is gingival zenith?

Answer 4

The most apical part of the tooth where it meets the gingiva

Question 5

Name a few patient problems?

Answer 5

Psychological
Expectations
Motivation
Patients wishes

Question 6

Arch form problems?

Answer 6

Crowding
Spacing
Missing teeth

Question 7

Tooth form problems?

Answer 7

Shape
Difficult cavity
Extra teeth
Shade variance

Question 8

Characteristics of anterior teeth?

Answer 8

Increase in thickness of dentine and a decrease in the thickness of enamel.

Question 9

Characteristics of anterior teeth in young patients?

Answer 9

The enamel appears milk white and translucent

Question 10

What happens to enamel as we age?

Answer 10

Enamel gets thinner and tooth appears less monochromatic

Question 11

Tooth anatomy of central incisor. What are lobes?

Answer 11

It has 3 lobes. Middle, the largest. Tends to be depressed and least prominent.

Question 12

Tooth anatomy of central incisor. What are development grooves?

Answer 12

The grooves divide the lobes and run parallel to the long axis of the tooth

Question 13

Tooth anatomy of central incisor. What are Transitional line angles?

Answer 13

The central and lateral incisor have mesial and distal transitional line angle. Similar to marginal ridges in posterior teeth

Question 14

Shade selection using canine?

Answer 14

Done using canine. As it has prominent middle lobe.

The distal groove is longer than the mesial groove

Question 15

When should shade selection should be done?

Answer 15

• at the beginning

- natural light

Question 16

Shade selection technique?

Answer 16

• composite button technique: 1.0mm blobs of various shade. Allow 1 minute to rehydrate and reassess shade

Question 17

Shade selection: hue?

Answer 17

Basic colour (A,B,C,D on vita shade guide)

Question 18

Shade selection: Chroma?

Answer 18

Intensity of the colour (A1, A2, A3, A4)

Question 19

Shade selection: Value?

Answer 19

Brightness/Lightness of the restoration (high, medium, high)

Question 20

Other characters of shade selection?

Answer 20

Translucencies/Opalescence. Texture/form

Question 21

Where is the best part to take a shade on a tooth for hue?

Answer 21

Cervical area of the tooth or the canine

Question 22

Where is the shade taken for chromatic effect?

Answer 22

Cervical, middle and incisal third of the tooh

Question 23

When selecting shade for the teeth it is important to?

Answer 23

• take shade of moist teeth
• shade from middle 1/3 of the tooth
  Its also subjective - ask for opinion from dental nurse

Question 24

What is the golden proportion?

Answer 24

0.618