aesthetics principles in dentistry and the anterior incisal edge restoration

Question 1

what are the factors that contribute to the appearance of teeth

Answer 1

outline form
contour
symmetry 
proportion 
colour

Question 2

what is the recommended thickness of porcelain veneers

Answer 2

0.5mm

Question 3

what is greater asymmetry related to

Answer 3

self reported depression
neuroses
inferiority
more physical health problems

Question 4

what are men and women with symmetrical faces rated as

Answer 4

more attractive
dominant
sexier
healthier

Question 5

what is the golden ration

Answer 5

0.6180

Question 6

why is the golden ratio relevant

Answer 6

aesthetically pleasing

Question 7

why is colour matching so important

Answer 7

teeth with look unaesthetic if it is matched incorrectly

Question 8

why can the colour of teeth and crowns look different

Answer 8

important how light interacts with tooth

Question 9

if we shine light on a surface with no irregularities what happens to the angle of incidence

Answer 9

the angle of incidence= the angle of refraction and we get something called the SPECULAR REFLECTION

Question 10

why is all of the tooth not shiny

Answer 10

because the dull parts of the tooth are caused by diffusion of the light

Question 11

what might happen to light when it is shone on a tooth

Answer 11

refracted* 
emitted
diffused
transmitted* 
absorbed* 
re emitted

Question 12

what happens to light if the surface has roughness

Answer 12

diffuse reflected light is scattered

Question 13

what are the characteristics of natural teeth

Answer 13

transluscent

Question 14

what can be the issue when we use metal in implants

Answer 14

the metal can create a dark shadow on the tooth when light is shone so now we use CERAMIC materials

Question 15

what are typically more masculine teeth

Answer 15

square edges and outer edges outwards facing distally

Question 16

what is typically more feminine teeth

Answer 16

rounded edges and round the edges mesially

Question 17

what is the buccal corridor

Answer 17

the buccal corridor represents the dark area of the vestibule observable during a smile, or sometimes in speaking- Generally, the wider the dark area of the vestibule (the buccal corridor) showing during a smile, the less attractive is the smile

Question 18

what does no buccal corridor give the appearance of

Answer 18

a false smile

Question 19

what is the relationship between the lip and the teeth

Answer 19

the incisal edge of the teeth follow the lip line

Question 20

what varies between every teeth

Answer 20

the tissue height and the papilla length

Question 21

what can we use to help colour match the teeth

Answer 21

a colour mapping

Question 22

what is the benefit of using ceramic materials

Answer 22

has the same reflective propertiesas enamel therefore no difference in translucency

Question 23

what alternative can we use for metal implants

Answer 23

zirconia implants which are the more aesthetic option

Question 24

what percentage of boys will show traumatic dental injuries in a surgery

Answer 24

17%

Question 25

what percentage of girls will show traumatic dental injuries in a surgery

Answer 25

13%

Question 26

why has there been a reduction in caries prevalence from 97% to 46%

Answer 26

1. the almost universal usage of fluoride toothpastes,
2. ) increased relevance and promotion of healthy living
3. ) cosmetic/ aesthetic interest by the dental profession and by increasing sections of the population
4. ) raised profile of dentistry by the media and the advertising industry in the marketing & selling of products for ‘perfect people .