Prostho lec - Shade Selection - FT

is a phenomenon of light (red, green, yellow, brown) or visual perception that permits the differentiation of otherwise identical objects.

Color

can either be the dentist, patient, family member or assistant... as long as this is anyone in the room who has an opinion

OBSERVER

modifies the light that falls on it by absorbing, reflecting, transmitting or refracting part or all of the light energy, thereby producing the quality of color

THE OBJECT

have a definite effect on the perception of color

THE LIGHT SOURCE

predominantly Yellow and lacking in blue tends to make reds and yellows stronger and blues weaker

INCANDESCENT

high in blue - green energy and low in red, blues are strong, and red are weak. (preferred)

FLUORESCENT

that quality which distinguishes one color from another

is the color tone (ie, red, blue, yellow, etc).

is used to describe the color of a tooth or dental restoration.

HUE

is the saturation, intensity, or strength of a hue.

is used to describe the orange or yellow hue of a tooth or a restoration.

CHROMA

relative amount of brightness/darkness in a hue; most important color characteristic in shade matching.

VALUE/BRIGHTNESS

is the three-dimensional representation of value.

is abstract and intangible, and is currently difficult to measure and standardize.

TRANSLUCENCY

is used in disinfection, not alcohol.

Sodium hypochlorite

is the most transparent part of the tooth

incisal area

is done before glazing, especially if adjustments are needed.

staining

The ____ tooth should be the reference.

adjacent

what is usually darker compared to the other teeth.

has a thicker dentinal layer( bulkiest and strongest), which influences the darker, yellowish shade.

canine