Question 1

Fenestration is best defined as which of the following?

Accepted Answer

A)  Coronal border of the alveolar process. 
B)  Bone loss in the coronal area of the root. 
C)  Bone loss where the apical root penetrates cortical bone. 
D)  Bundle of collagen fibers embedded in the alveolar bone proper. 
A)  Coronal border of the alveolar process. 
B)  Bone loss in the coronal area of the root. 
C)  Bone loss where the apical root penetrates cortical bone. 
D)  Bundle of collagen fibers embedded in the alveolar bone proper. C

Question 2

Tension and compression during tooth movement result in bone loss.

Accepted Answer

A) True 
 B)False  False

Question 3

The alveolar crest is located _______ mm below the dentinoenamel junction.

Accepted Answer

A)  10 
B)  3 to 4 
C)  1.2 to 1.5 
D)  2.5 to 3.2 
A)  10 
B)  3 to 4 
C)  1.2 to 1.5 
D)  2.5 to 3.2 C

Question 4

Which best defines dehiscence?

Accepted Answer

A)  Bone loss in the coronal area of the root 
B)  Colorless,ischemic periodontal ligament 
C)  Compact bony lining of the tooth socket 
D)  Inclination of permanent teeth to drift mesially 
A)  Bone loss in the coronal area of the root 
B)  Colorless,ischemic periodontal ligament 
C)  Compact bony lining of the tooth socket 
D)  Inclination of permanent teeth to drift mesially

Question 5

Collagen fibers embedded in the alveolar bone proper are called ____________ fibers.

Accepted Answer

A)  alveolar 
B)  gingival 
C)  Sharpey 
D)  transseptal 
A)  alveolar 
B)  gingival 
C)  Sharpey 
D)  transseptal

Question 6

Mesial drift is a significant occurrence during the deciduous dentition period.

Accepted Answer

A) True 
 B)False

Question 7

The lamina dura is less dense than the adjacent cancellous bone.

Accepted Answer

A) True 
 B)False

Question 8

Loss of density of lamina dura is associated with each of the following EXCEPT one.Which one is the EXCEPTION?

Accepted Answer

A)  Infection 
B)  Inflammation 
C)  Resorption of the bony socket 
D)  Bruxing 
A)  Infection 
B)  Inflammation 
C)  Resorption of the bony socket 
D)  Bruxing

Question 9

Which type of nutrient canals extend through the long axis of bone?

Accepted Answer

A)  Haversian 
B)  Volkmann 
C)  Trabecular 
D)  Cancellous 
A)  Haversian 
B)  Volkmann 
C)  Trabecular 
D)  Cancellous

Question 10

Blood vessels and nerves penetrate the lamina dura.

Accepted Answer

A) True 
 B)False

Question 11

Which movement is associated with tooth loss or hypereruption?

Accepted Answer

A)  Body 
B)  Tipping 
C)  Rotation 
D)  Mesial drift 
A)  Body 
B)  Tipping 
C)  Rotation 
D)  Mesial drift

Question 12

Maintenance of the alveolar bone and cementum is reliant on which of the following?

Accepted Answer

A)  Resorption 
B)  Tooth function 
C)  Routine professional dental care 
D)  Periods of masticatory inactivity 
A)  Resorption 
B)  Tooth function 
C)  Routine professional dental care 
D)  Periods of masticatory inactivity

Question 13

Cemental fiber bundles are usually ________ and _________than those of the alveolar bone.

Accepted Answer

A)  larger;less numerous 
B)  larger;more numerous 
C)  smaller;less numerous 
D)  smaller;more numerous 
A)  larger;less numerous 
B)  larger;more numerous 
C)  smaller;less numerous 
D)  smaller;more numerous

Question 14

When teeth are moved,all parts of the suspensory apparatus must move simultaneously.

Accepted Answer

A) True 
 B)False

Question 15

The area of bone loss where an apical root penetrates the cortical bone is called a

Accepted Answer

A)  fenestration. 
B)  dehiscence. 
C)  marginal defect. 
D)  lateral fossa. 
A)  fenestration. 
B)  dehiscence. 
C)  marginal defect. 
D)  lateral fossa.

Question 16

Which is identified radiographically as the lamina dura?

Accepted Answer

A)  Pulp 
B)  Cementum 
C)  Sharpey fibers 
D)  Alveolar bone proper 
A)  Pulp 
B)  Cementum 
C)  Sharpey fibers 
D)  Alveolar bone proper

Question 17

Cementum is more susceptible to resorption than bone.Researchers believe that nutritive vascular and neural supplies in cementum are responsible for this increased susceptibility.

Accepted Answer

A)  Both statements are true. 
B)  Both statements are false. 
C)  The first statement is true;the second is false. 
D)  The first statement is false;the second is true. 
A)  Both statements are true. 
B)  Both statements are false. 
C)  The first statement is true;the second is false. 
D)  The first statement is false;the second is true.

Question 18

The type of nutrient canals that penetrate Haversian canals at right angles to form a nutrient network are called

Accepted Answer

A)  hyalinized. 
B)  reversal lines. 
C)  Volkmann. 
D)  Haversian. 
A)  hyalinized. 
B)  reversal lines. 
C)  Volkmann. 
D)  Haversian.

Question 19

The alveolar crest is ___________ in the molar region.

Accepted Answer

A)  flat 
B)  peaked 
C)  rounded 
D)  scalloped 
A)  flat 
B)  peaked 
C)  rounded 
D)  scalloped

Question 20

Aged alveolar bone lacunae are filled with cementocytes.

Accepted Answer

A) True 
 B)False

Fenestration is best defined as which of the following?

Tension and compression during tooth movement result in bone loss.

The alveolar crest is located _______ mm below the dentinoenamel junction.

Which best defines dehiscence?

Collagen fibers embedded in the alveolar bone proper are called ____________ fibers.

Mesial drift is a significant occurrence during the deciduous dentition period.

The lamina dura is less dense than the adjacent cancellous bone.

Loss of density of lamina dura is associated with each of the following EXCEPT one.Which one is the EXCEPTION?

Which type of nutrient canals extend through the long axis of bone?

Blood vessels and nerves penetrate the lamina dura.

Which movement is associated with tooth loss or hypereruption?

Maintenance of the alveolar bone and cementum is reliant on which of the following?

Cemental fiber bundles are usually and _than those of the alveolar bone.

When teeth are moved,all parts of the suspensory apparatus must move simultaneously.

The area of bone loss where an apical root penetrates the cortical bone is called a

Which is identified radiographically as the lamina dura?

Cementum is more susceptible to resorption than bone.Researchers believe that nutritive vascular and neural supplies in cementum are responsible for this increased susceptibility.

The type of nutrient canals that penetrate Haversian canals at right angles to form a nutrient network are called

The alveolar crest is ___________ in the molar region.

Aged alveolar bone lacunae are filled with cementocytes.

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

Temporomandibular Joint

Oral Mucosa

Salivary Glands and Tonsils

Biofilms

Filters

Exam 12: Periodontium: Alveolar Process and Cementum

Fenestration is best defined as which of the following?

Tension and compression during tooth movement result in bone loss.

The alveolar crest is located _______ mm below the dentinoenamel junction.

Which best defines dehiscence?

Collagen fibers embedded in the alveolar bone proper are called ____________ fibers.

Mesial drift is a significant occurrence during the deciduous dentition period.

The lamina dura is less dense than the adjacent cancellous bone.

Loss of density of lamina dura is associated with each of the following EXCEPT one.Which one is the EXCEPTION?

Which type of nutrient canals extend through the long axis of bone?

Blood vessels and nerves penetrate the lamina dura.

Which movement is associated with tooth loss or hypereruption?

Maintenance of the alveolar bone and cementum is reliant on which of the following?

Cemental fiber bundles are usually ________ and _________than those of the alveolar bone.

When teeth are moved,all parts of the suspensory apparatus must move simultaneously.

The area of bone loss where an apical root penetrates the cortical bone is called a

Which is identified radiographically as the lamina dura?

Cementum is more susceptible to resorption than bone.Researchers believe that nutritive vascular and neural supplies in cementum are responsible for this increased susceptibility.

The type of nutrient canals that penetrate Haversian canals at right angles to form a nutrient network are called

The alveolar crest is ___________ in the molar region.

Aged alveolar bone lacunae are filled with cementocytes.

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

Temporomandibular Joint

Oral Mucosa

Salivary Glands and Tonsils

Biofilms

Filters

Cemental fiber bundles are usually and _than those of the alveolar bone.