Question 1

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

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.

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

Question 3

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

Accepted Answer

A) True 
 B)False

Question 4

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

Accepted Answer

A) True 
 B)False

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.

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

Accepted Answer

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

Question 6

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

Question 7

Where is the pterygomandibular fold located?

Accepted Answer

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. 
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 8

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

Question 9

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.

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. 
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 10

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 
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 11

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

Accepted Answer

A) True 
 B)False

Question 12

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

Accepted Answer

A) True 
 B)False

Question 13

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. 
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 14

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 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.

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

Accepted Answer

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

Question 16

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

Accepted Answer

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 
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 17

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.

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. 
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 18

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

Accepted Answer

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 
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 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.

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

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

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

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

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

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

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

Where is the pterygomandibular fold located?

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?

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

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

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.

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.

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

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

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.

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

Local Anesthesia in Dental Hygiene Practice: an Introduction

Neurophysiology

Pharmacology of Local Anesthetic Agents

Pharmacology of Vasoconstrictors

Local Anesthetic Agents

Topical Anesthetic Agents

Preanesthetic Assessment

Determining Drug Doses

Armamentariumsyringe Preparation

Anatomic Considerations for the Administration of Local Anesthesia

Basic Injection Techniques

Maxillary Anesthesia

Local Anesthesia for the Child and Adolescent

Local Anesthetic Complications

Legal Considerations and Risk Management

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Exam 13: Mandibular Anesthesia

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

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

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

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

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

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

Where is the pterygomandibular fold located?

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?

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

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

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.

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.

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

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

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.

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

Local Anesthesia in Dental Hygiene Practice: an Introduction

Neurophysiology

Pharmacology of Local Anesthetic Agents

Pharmacology of Vasoconstrictors

Local Anesthetic Agents

Topical Anesthetic Agents

Preanesthetic Assessment

Determining Drug Doses

Armamentariumsyringe Preparation

Anatomic Considerations for the Administration of Local Anesthesia

Basic Injection Techniques

Maxillary Anesthesia

Local Anesthesia for the Child and Adolescent

Local Anesthetic Complications

Legal Considerations and Risk Management

Filters