Question 1

Periodontal ligament injections are utilized when pulpal anesthesia is indicated on a single tooth in the mandibular arch.

Accepted Answer

A) True 
 B)False  True

Question 2

What injection,besides the IA block,should be considered if the clinician will be performing nonsurgical periodontal therapy on the mandibular molars?

Accepted Answer

A)   Gow-Gates
B)   Mental block
C)   Buccal block
D)   Incisive block C

Question 3

What is a best practice should the anesthesia inadvertently cause a hematoma?

Accepted Answer

A)   Refer the patient to his/her physician.
B)   Let the patient see the bruising while discussing that it is a basic risk of anesthesia.
C)   Act as if it occurs frequently and do not make a big deal about it.
D)   Call your malpractice insurance company. B

Question 4

MATCHING
Match the name of the mandibular injection to the landmarks of the injection site and/or the area that receives the anesthesia. Names of injections may be used more than once.
-A true mandibular block because it anesthetizes almost the entire mandibular nerve

Accepted Answer

A)  IA block
B)  Buccal block
C)  Mental block
D)  Incisive block
E)  Gow-Gates

Question 5

What is the most commonly cited error contributing to missed IA blocks?

Accepted Answer

A)   Injection being too low
B)   Injection being too high
C)   Inadequate aspiration
D)   Incorrect fulcrum

Question 6

MATCHING
Match the name of the mandibular injection to the landmarks of the injection site and/or the area that receives the anesthesia. Names of injections may be used more than once.
-Needle penetration depth is approximately 20 to 25 mm or two thirds to three fourths of long needle

Accepted Answer

A)  IA block
B)  Buccal block
C)  Mental block
D)  Incisive block
E)  Gow-Gates

Question 7

MATCHING
Match the name of the mandibular injection to the landmarks of the injection site and/or the area that receives the anesthesia. Names of injections may be used more than once.
-Message anesthetic solution into foramen

Accepted Answer

A)  IA block
B)  Buccal block
C)  Mental block
D)  Incisive block
E)  Gow-Gates

Question 8

What usually causes the discomfort associated with the IA injection?

Accepted Answer

A)   Lingual shock
B)   Needle close to the lingual nerve
C)   Depth of needle penetration
D)   a and b
E)   all of the above

Question 9

Which mandibular injection has the second highest rate of developing the complication of a hematoma?

Accepted Answer

A)   IA nerve block
B)   Incisive block
C)   Mental block
D)   Gow-Gates

Question 10

When administering the IA block injection,what other nerve may inadvertently be anesthetized?

Accepted Answer

A)   PSA
B)   Facial nerve
C)   Lingual nerve
D)   Mandibular nerve

Question 11

MATCHING
Match the name of the mandibular injection to the landmarks of the injection site and/or the area that receives the anesthesia. Names of injections may be used more than once.
-Anesthesia of the anterior teeth,premolar teeth,and associated periodontium as well as facial soft tissue anterior to the mental foramen

Accepted Answer

A)  IA block
B)  Buccal block
C)  Mental block
D)  Incisive block
E)  Gow-Gates

Question 12

Which mandibular injection has the highest VAS number or is rated as the most uncomfortable for the dental patient?

Accepted Answer

A)   Buccal block
B)   Incisive block
C)   Mental block
D)   Gow-Gates

Question 13

Because the bone is denser on the mandibular anterior teeth than on the mandibular posterior teeth,a supraperiosteal injection may be less successful than a supraperiosteal injection on the posterior teeth.

Accepted Answer

A) True 
 B)False

Question 14

After administering the IA block,which injection should the clinician consider administering if one of the lateral incisors fails to achieve pulpal anesthesia?

Accepted Answer

A)   Gow-Gates
B)   Incisive block
C)   Supraperiosteal injection at the tooth apex
D)   b and c

Question 15

What area should the clinician palpate in order to determine the location of the mental foramen?

Accepted Answer

A)   Directly below the mandibular notch on the ramus of the mandible
B)   Between the mandibular first and second premolars
C)   From the mandibular first molar to the distal surface of the canine
D)   On the lingual and at the apex of the mandibular incisors

Question 16

In most cases,paresthesia occurs due to problematic surgical extraction of impacted molars.

Accepted Answer

A) True 
 B)False

Question 17

Anesthesia of the lingual nerve requires a separate technique and/or injection.

Accepted Answer

A) True 
 B)False

Question 18

When administering the Gow-Gates block,initially the vertical location for the injection is just inferior to the mesiolingual cusp of the maxillary second molar; the needle is then placed distal to the maxillary second molar.

Accepted Answer

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

Question 19

Lingual shock may occur as the needle passes by the inferior alveolar nerve during the IA block.

Accepted Answer

A) True 
 B)False

Question 20

With the PDL injection,multirooted teeth require an injection for each root.

Accepted Answer

A) True 
 B)False

Exam 13: Mandibular Nerve Anesthesia

Periodontal ligament injections are utilized when pulpal anesthesia is indicated on a single tooth in the mandibular arch.

What injection,besides the IA block,should be considered if the clinician will be performing nonsurgical periodontal therapy on the mandibular molars?

What is a best practice should the anesthesia inadvertently cause a hematoma?

MATCHING Match the name of the mandibular injection to the landmarks of the injection site and/or the area that receives the anesthesia. Names of injections may be used more than once. -A true mandibular block because it anesthetizes almost the entire mandibular nerve

What is the most commonly cited error contributing to missed IA blocks?

MATCHING Match the name of the mandibular injection to the landmarks of the injection site and/or the area that receives the anesthesia. Names of injections may be used more than once. -Needle penetration depth is approximately 20 to 25 mm or two thirds to three fourths of long needle

MATCHING Match the name of the mandibular injection to the landmarks of the injection site and/or the area that receives the anesthesia. Names of injections may be used more than once. -Message anesthetic solution into foramen

What usually causes the discomfort associated with the IA injection?

Which mandibular injection has the second highest rate of developing the complication of a hematoma?

When administering the IA block injection,what other nerve may inadvertently be anesthetized?

Which mandibular injection has the highest VAS number or is rated as the most uncomfortable for the dental patient?

Because the bone is denser on the mandibular anterior teeth than on the mandibular posterior teeth,a supraperiosteal injection may be less successful than a supraperiosteal injection on the posterior teeth.

After administering the IA block,which injection should the clinician consider administering if one of the lateral incisors fails to achieve pulpal anesthesia?

What area should the clinician palpate in order to determine the location of the mental foramen?

In most cases,paresthesia occurs due to problematic surgical extraction of impacted molars.

Anesthesia of the lingual nerve requires a separate technique and/or injection.

When administering the Gow-Gates block,initially the vertical location for the injection is just inferior to the mesiolingual cusp of the maxillary second molar; the needle is then placed distal to the maxillary second molar.

Lingual shock may occur as the needle passes by the inferior alveolar nerve during the IA block.

With the PDL injection,multirooted teeth require an injection for each root.