Deck 13: Mandibular Anesthesia

Question 1

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

Answer 1

IA,B,PSA,MSA,ASA

Question 2

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 massage anesthetic solution into foramen

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

Answer 2

Mental block

Question 3

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 3

Gow-Gates

Question 4

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

Question 5

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 6

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

Question 7

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

Question 8

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

Question 9

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

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

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 12

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

Question 13

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 14

What usually causes the discomfort associated with the IA injection?

A) Lingual shock
B) Needle close to the lingual nerve
C) All options listed
D) None of the options listed

Question 15

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.

Massage anesthetic solution into foramen

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

Question 16

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 17

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 18

What injection,in addition to 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

Question 19

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 20

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 21

Which of the following mandibular supplemental injections enters the alveolar bone?

A) Supraperiosteal
B) Intraseptal
C) Periodontal ligament
D) All options listed

Question 22

The needle is advanced and gentle bone contact is made for which injection?

A) Buccal
B) IA
C) Gow-Gates
D) IA and Gow-Gates
E) All options listed

Question 23

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

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

Question 24

Which of the following are the MAIN disadvantages of the Gow-Gates block?

A) Longer onset time and numbness to lower lip and temporal region
B) Longer onset and long duration
C) Numbness to lower lip and longer duration
D) 2% aspiration rate and longer duration

Question 25

The Vazirani-Akinosi block is useful when soft tissue structures such as the tongue or buccal fat pad persistently obstruct the view of the intraoral landmarks used in the IA block.The mylohyoid nerve is anesthetized during the Vazirani-Akinosi block.

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 26

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 27

The IA has the highest positive aspiration rate of all block injections of either dental arch.If hematoma occurs in the area of the pterygomandibular space,it is important to let the patient see the bruising when the treatment is finished and discuss that it is a basic risk of anesthesia and is temporary.

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 28

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 29

There is no need for the clinician to shake or vibrate the tissue of the cheek to distract the patient.This action would move the needle and its bevel out of the correct pathway to the target area,causing less effective administration,possible trauma,and then pain to the patient.

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 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

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 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) All options listed

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

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) Mental block
D) Buccal block

Question 35

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 36

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 37

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 pharynx.

Question 38

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

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

Question 39

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.