Stains
Terms
miscellaneous
Classification
T/f
100

What is another name for mottled enanmel?

Dental fluorosis

100
define extrinsic stains ?

Where it is located external surface of the tooth.

100

How long does biofilm begin to collect on the pellicle after a coronal polishing?

1-2 hours 

100

What is the term used when an extrinsic stain becomes intrinsic, but the origin is from a source outside the tooth?

Intrinsic, exogenous 

100

True or false? Chromogenic is not a pigment producing bacteria?

False

200

What is a not very common stain that is found in the mouth? 

Orange and red stains.

200

Define extrinsic stain?

Occurs within the tooth surface.

200

What is the most common stain in children due to poor OH

Green stain

200

Extrinsic stains can be removed by?

Brushing, scaling and polishing.

200

True or false? 

Crowns, Vaneers and bleaching Are ways of treating stains that are incorporated within the tooth structure?

True 

300

What is another name for imperfect tooth development?

Dentogengus imperfecta 

300

Define exogenous stains 

Outside the tooth by environmental agents 

300

This type of stain occurs in the external surface of the tooth?

A.intrinisc

B.extrinsic

C.exogenous 

D.endogenous 

B.extrinsic 

300

Where do stains occur on the teeth?

Cervical 1/3 of the tooth

300

True or false?

There are 5 or more stains that can be found/ incorporated on teeth?

True 

400

what type of stain can you get from coming in contact with a musical instrument over a prolonged period of time?

Metallic stains 

400

Define endogenous stain?

Within the tooth and through tooth development.

400

How does nasmyth’s membrane staining occur?

Caused by food stains in the residue of epithelium during tooth eruption.

400

Extrinsic stains that have been incorporated into the enamel are?

Intrinsic exogenous stains 

400

True or false?

Intrinsic stains can be removed.

False 

500

This stain is usually associated with the presence of plaque?

Brown or yellow stain.

500

I am a stain that can be found by chewing me ( I am most common in the eastern countries)

Betal leaf

500

OName the 4 classifications of stains

1.extrinsic 

2.intrinsic

3.exogenous 

4.endogenous 

500

Name 3 ways that stains can occur on teeth?

1. Stains adhering directly to the tooth.

2. Stains contained in plaque and calculus.

3. Stains incorporated within the tooth structure.

500

True or false?

Black line stains are most found in adults

False