Question 1

Which organisms attach to the pellicle to form a thick layer of plaque?

Accepted Answer

A)  Rods 
B)  Filamentous organisms 
C)  Desquamated epithelial cells 
D)  All of the above 
A)  Rods 
B)  Filamentous organisms 
C)  Desquamated epithelial cells 
D)  All of the above D

Question 2

Which type of organism appears supragingivally?

Accepted Answer

A)  Neutral 
B)  Anaerobic 
C)  Gram-positive 
D)  Gram-negative 
A)  Neutral 
B)  Anaerobic 
C)  Gram-positive 
D)  Gram-negative C

Question 3

Which of the following is the best definition for plaque?

Accepted Answer

A)  A type of gingival inflammation. 
B)  A stone-like concretion formed on the teeth. 
C)  A bacterial biofilm on the surface of the teeth. 
D)  An acellular thin film deposited on the surface of teeth from salivary proteins. 
A)  A type of gingival inflammation. 
B)  A stone-like concretion formed on the teeth. 
C)  A bacterial biofilm on the surface of the teeth. 
D)  An acellular thin film deposited on the surface of teeth from salivary proteins. C

Question 4

Calculus most often appears near which of the following?

Accepted Answer

A)  A missing tooth 
B)  A tight labial frenum 
C)  The incisal edge of a tooth 
D)  The opening of a salivary duct 
A)  A missing tooth 
B)  A tight labial frenum 
C)  The incisal edge of a tooth 
D)  The opening of a salivary duct

Question 5

Which of the following allows plaque to form on the surface of a tooth?

Accepted Answer

A)  Pellicle 
B)  Serumal calculus 
C)  Hydroxyapatite 
D)  Primary cuticle 
A)  Pellicle 
B)  Serumal calculus 
C)  Hydroxyapatite 
D)  Primary cuticle

Question 6

The dark color of supragingival calculus is attributed to which of the following?

Accepted Answer

A)  Calcium 
B)  Hydroxyapatite 
C)  Organic skeletons 
D)  Serum and blood pigments 
A)  Calcium 
B)  Hydroxyapatite 
C)  Organic skeletons 
D)  Serum and blood pigments

Question 7

Subgingival calculus is ________ than supragingival calculus.

Accepted Answer

A)  softer 
B)  harder 
C)  thicker 
D)  lighter 
A)  softer 
B)  harder 
C)  thicker 
D)  lighter

Question 8

In tonsillitis,there is a dramatic increase in salivary leukocytes.

Accepted Answer

A) True 
 B)False

Question 9

Which disclosing solution will not permanently discolor composite restorations?

Accepted Answer

A)  0.2% basic fuchsin 
B)  Erythrosine red No.3 
C)  Methylene blue 
D)  Toluidine blue 
A)  0.2% basic fuchsin 
B)  Erythrosine red No.3 
C)  Methylene blue 
D)  Toluidine blue

Question 10

Which of the following is a function of a disclosing solution?

Accepted Answer

A)  Diagnosing pulpits 
B)  Locating calculus deposits 
C)  Determining whether plaque is still present 
D)  Showing cracks or fissures in the enamel surface 
A)  Diagnosing pulpits 
B)  Locating calculus deposits 
C)  Determining whether plaque is still present 
D)  Showing cracks or fissures in the enamel surface

Question 11

Bacterial ghosts are calcified bacteria.

Accepted Answer

A) True 
 B)False

Question 12

Serumal calculus is usually a darker color.

Accepted Answer

A) True 
 B)False

Question 13

The ______________ of plaque is essential for the prevention of disease.

Accepted Answer

A)  removal 
B)  disclosure 
C)  deposition 
D)  mineralization 
A)  removal 
B)  disclosure 
C)  deposition 
D)  mineralization

Question 14

Calculus varies in both composition and hardness.

Accepted Answer

A) True 
 B)False

Question 15

The primary component of calculus is __________.

Accepted Answer

A)  serum 
B)  bacteria 
C)  calcium 
D)  hydroxyapatite 
A)  serum 
B)  bacteria 
C)  calcium 
D)  hydroxyapatite

Question 16

Acids that can demineralize the surface of enamel are produced by

Accepted Answer

A)  calculus. 
B)  bacteria. 
C)  pellicle. 
D)  salivary corpuscles. 
A)  calculus. 
B)  bacteria. 
C)  pellicle. 
D)  salivary corpuscles.

Question 17

Plaque is more mineralized than calculus.

Accepted Answer

A) True 
 B)False

Question 18

Dental plaque is characterized as (a/an)

Accepted Answer

A)  accretion. 
B)  cuticle. 
C)  biofilm. 
D)  cuticular protein. 
A)  accretion. 
B)  cuticle. 
C)  biofilm. 
D)  cuticular protein.

Question 19

Plaque protects the enamel surface but can also serve as an attachment site for bacteria.

Accepted Answer

A) True 
 B)False

Question 20

Calculus may form on dental prostheses.

Accepted Answer

A) True 
 B)False

Which organisms attach to the pellicle to form a thick layer of plaque?

Which type of organism appears supragingivally?

Which of the following is the best definition for plaque?

Calculus most often appears near which of the following?

Which of the following allows plaque to form on the surface of a tooth?

The dark color of supragingival calculus is attributed to which of the following?

Subgingival calculus is ________ than supragingival calculus.

In tonsillitis,there is a dramatic increase in salivary leukocytes.

Which disclosing solution will not permanently discolor composite restorations?

Which of the following is a function of a disclosing solution?

Bacterial ghosts are calcified bacteria.

Serumal calculus is usually a darker color.

The ______________ of plaque is essential for the prevention of disease.

Calculus varies in both composition and hardness.

The primary component of calculus is __________.

Acids that can demineralize the surface of enamel are produced by

Plaque is more mineralized than calculus.

Dental plaque is characterized as (a/an)

Plaque protects the enamel surface but can also serve as an attachment site for bacteria.

Calculus may form on dental prostheses.

Development and Structure of Cells and Tissues

Structure and Function of Cells, tissues, and Organs

Development of the Oral Facial Region

Development of the Face and Palate

Development of Teeth

Eruption and Shedding of Teeth

Enamel

Dentin

Dental Pulp

Cementum

Periodontium: Periodontal Ligament

Periodontium: Alveolar Process and Cementum

Temporomandibular Joint

Oral Mucosa

Salivary Glands and Tonsils

Filters

Exam 16: Biofilms

Which organisms attach to the pellicle to form a thick layer of plaque?

Which type of organism appears supragingivally?

Which of the following is the best definition for plaque?

Calculus most often appears near which of the following?

Which of the following allows plaque to form on the surface of a tooth?

The dark color of supragingival calculus is attributed to which of the following?

Subgingival calculus is ________ than supragingival calculus.

In tonsillitis,there is a dramatic increase in salivary leukocytes.

Which disclosing solution will not permanently discolor composite restorations?

Which of the following is a function of a disclosing solution?

Bacterial ghosts are calcified bacteria.

Serumal calculus is usually a darker color.

The ______________ of plaque is essential for the prevention of disease.

Calculus varies in both composition and hardness.

The primary component of calculus is __________.

Acids that can demineralize the surface of enamel are produced by

Plaque is more mineralized than calculus.

Dental plaque is characterized as (a/an)

Plaque protects the enamel surface but can also serve as an attachment site for bacteria.

Calculus may form on dental prostheses.

Development and Structure of Cells and Tissues

Structure and Function of Cells, tissues, and Organs

Development of the Oral Facial Region

Development of the Face and Palate

Development of Teeth

Eruption and Shedding of Teeth

Enamel

Dentin

Dental Pulp

Cementum

Periodontium: Periodontal Ligament

Periodontium: Alveolar Process and Cementum

Temporomandibular Joint

Oral Mucosa

Salivary Glands and Tonsils

Filters