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Worksheets

Causes and Management of Discolored Teeth

Total questions: 15

Worksheet time: 12mins

Name
Class
Date
1.

Which of the following is an intrinsic cause of tooth discoloration?

a)

Coffee

b)

Tobacco

c)

Fluorosis

d)

Red wine

2.

Tetracycline staining is characterized by:

a)

Blue-black extrinsic discoloration

b)

Brown intrinsic bands

c)

Green extrinsic film

d)

Yellowish plaque-like deposits

3.

Bleaching is least effective for which type of discoloration? 

a)

Fluorosis

b)

Tetracycline stains

c)

Tobacco stains

d)

Age-related discoloration

4.

Dental fluorosis results in which type of discoloration?

a)

Black

b)

Green

c)

White to brown mottling

d)

Pink

5.

Which one is a post-eruptive cause of intrinsic discoloration characterized by pink discoloration of a non-vital tooth?

a)

Tetracycline intake during pregnancy

b)

Internal resorption

c)

Neonatal jaundice

d)

Amelogenesis imperfecta

6.

The treatment of choice for mild fluorosis is:

a)

Internal bleaching

b)

Enamel microabrasion

c)

Composite veneers

d)

Crown placement

7.

Which of the following bleaching agents is commonly used for in-office bleaching?

a)

10% Carbamide peroxide

b)

3% Hydrogen peroxide

c)

35% Hydrogen peroxide

d)

Sodium hypochlorite

8.

The walking bleach technique is used for:

a)

Extrinsic stains

b)

Tetracycline stains

c)

Non-vital teeth

d)

Vital teeth

9.

The use of veneers is most appropriate in cases of:

a)

Fluorosis with deep pits

b)

Mild extrinsic stains

c)

Green stains

d)

Poor oral hygiene

10.

Which of the following is a disadvantage of power bleaching?

a)

Uneven color

b)

Long treatment time

c)

Tooth sensitivity

d)

Ineffective results

11.

In enamel microabrasion, the primary materials used are:

a)

Carbamide peroxide and acid

b)

Pumice and hydrochloric acid

c)

Sodium hypochlorite and calcium hydroxide

d)

Resin and etchant

12.

Indirect Veneers are commonly fabricated using:

a)

Zinc oxide eugenol

b)

Glass ionomer

c)

Porcelain

d)

MTA

13.

Home bleaching kits usually contain:

a)

35% Hydrogen peroxide

b)

10-15% Carbamide peroxide

c)

3% Sodium hypochlorite

d)

50% Hydrogen peroxide

14.

When bleaching is contraindicated, what is the next best option?

a)

Root canal

b)

Crowning

c)

Internal bleaching

d)

Scaling and polishing

15.

The most conservative treatment for extrinsic stains is:

a)

Veneers

b)

Bleaching

c)

Crown placement

d)

Prophylaxis