Deck 13: Mandibular Nerve Anesthesia

Question 1

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

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

Answer 1

Buccal block

Question 2

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

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

Answer 2

Gow-Gates

Question 3

What usually causes the discomfort associated with the IA injection?

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

Answer 3

a and b

Question 4

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

Question 5

When administering the buccal block and the tissue balloons up,the clinician should correct this by deeper penetration of the bevel of the needle.

Question 6

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

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.
Injection site is the alveolar mucosal tissue,distal and buccal to the most distal molar tooth in the arch

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

Question 8

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.
Middle of pterygomandibular triangle at the height of the coronoid notch

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

Question 9

The periodontal ligament injection is administered directly into the periodontium of the tooth providing pulpal anesthesia along with the lingual and buccal mucosa.

Question 10

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.

Question 11

Which is the correct order for the administering of injections?

A) PSA, Gow-Gates, B
B) PSA, MSA, ASA, IA, B
C) IA, B, PSA, MSA, ASA
D) Mental, IA, ASA, PSA

Question 12

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

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

Question 13

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.
Useful for extensive procedures during quadrant dentistry or with failure of IA block

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

Question 14

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

Question 15

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

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

Question 16

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

Question 17

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

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

Question 18

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.
Does not message anesthetic solution into foramen

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

Question 19

There is more variation in the anatomy of the mandibular anesthetic landmarks than in similar maxillary structures.Lack of consistent success with the IA block injection is due in part to anatomic variations.

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 20

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

Question 21

Where is the injection site for the local anesthesia of the mylohyoid nerve?

A) Halfway in the dental arch
B) Mesial to the existing premolar
C) Distal to the existing premolar
D) At the apex of the mesial root of the mandibular first molar

Question 22

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

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

Question 23

Where should the injection site for an IA block injection be located if the clinician notices a double mandibular canal on dental images?

A) Superior to the usual anatomic landmarks for the IA block
B) Inferior to the usual anatomic landmarks for the IA block
C) Slightly distal to the apex of the mandibular second premolar
D) Slightly mesial to the apex of the mandibular first molar

Question 24

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

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 25

What is a good reason not to use distracters when administering mandibular anesthesia?

A) The clinician needs her fingers for retraction of the check.
B) Pulpal anesthesia may be blocked.
C) Movement may cause the anesthetic not to be placed at the target area.
D) All of the above.

Question 26

Where is the pterygomandibular fold located?

A) It extends in front of the most distal mandibular molar and retromolar pad.
B) It runs vertically to the posterior border of the mandible.
C) It turns superior to the junction of hard and soft palates.
D) It separates the buccal mucosa from the palatal mucosa.

Question 27

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

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

Question 28

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

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

Question 29

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

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

Question 30

Numbness or tingling of the lower lip is a good indication that profound anesthesia has occurred.It is also an indicator that the inferior alveolar nerve has been initially anesthetized.

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 31

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.

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 32

Best practices for administering the IA block injection include which of the following?

A) After gently making contact with the bone, withdraw slightly and then begin the deposition of solution.
B) Deposition of solution at the target area will provide the most anesthetic power.
C) Deposit a small amount of the local anesthetic agent as the needle enters the tissue after each aspiration.
D) a and b

Question 33

What is a noticeable difference between the mental block and the incisive block?

A) There is pulpal anesthesia of the involved teeth with an incisive block
B) There is pulpal anesthesia of the involved teeth with a mental block
C) The syringe angulation is different between the two blocks
D) The needle target site is different between the two blocks

Question 34

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

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.

Question 35

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

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