dental 4.2

Question 1

ceramic shade guide

Answer 1

a set of standards that imitate the colour of natural teeth

used to determine the standards that offer the most acceptable colour matching with existing teeth

Question 2

2 types of shad guides

Answer 2

manufactory and laboratory
the manufactory has 3 color zones- the base of the tooth, the body, and the tip where it is most likely to be translucent

Question 3

preferred properties in shade guides

Answer 3

logical arrangements and adequate distribution in color space,
matching with natural teeth,
inherent consistency among shade guides,
and matching between shade guides and dental materials such as porcelains

Question 4

UV light

Answer 4

make the tooth appear blue-white. this comes under fluorescence.

Question 5

how to colour match

Answer 5

1st look at hue to put it into a group and then look at chroma and value to specify the exact color e.g A1- A4 lightest to darkest 
group a - red and brown
group b- red and yellow 
group c- gray 
group d-red and grey