3. A - Intro to Cosmetic Dentistry

Question 1

What is the “golden rule” about in cosmetics?

Answer 1

• Repeated geometric patterns seen throughout nature
• Each tooth should appear 1.618 times narrower than it’s mesial neighbor in a frontal view
• 1.4 is more common in the West proportions

Question 2

How much times narrower should teeth appear than its mesial neighbor in a frontal view?

Answer 2

1.618 times

Question 3

How should the ‘zenith’ of the gingiva architecture be for a good smile?

Answer 3

Symmetrical

Question 4

What are the characteristics of youth or younger teeth?

Answer 4

• Higher value - brighter
• Lower chroma - less color
• More surface texture
• Lower luster, less reflective
• Intact and fuller in appearance

Question 5

What do you do to make a tooth look more narrow?

Answer 5

• Move the line angles closer to the center of the tooth

Question 6

What’s the ideal display of the gingiva in full smile?

Answer 6

1-2 mm

Question 7

How do you check the incisal edge length?

Answer 7

Phonics - F or V sound

Question 8

How do you evaluate inter-occlusal space, vertical dimension (speaking space)?

Answer 8

E or S, 66 sound

Question 9

What is the most commonly overlooked space when dealing with a smile design?

Answer 9

Buccal corridor - visible posterior teeth

Question 10

What can cause the ‘blueberry’ effect?

Answer 10

Over-bleaching

Question 11

What’s the #1 most important factor in treatment planning?

Answer 11

Occlusion