Local Anesthetic And Techniques

Question 1

what is the criteria for an acceptable syringe for dental local anesthetics

Answer 1

Slide 3
1. Dental syringe must be durable and be able to withstand repeatable sterilization without being damaged
2. Must be able to accept cartridges and needles of different manufacturers
3. Permit repeated use
4. Inexpensive, light weight and simple to use
5. Aspirated blood should be visible in the cartridge ( barrel has open window )
Slide 4

Question 2

What are the syringe types and classifications?

Answer 2

Slide 5

Question 3

Give Characteristics of a cartridge? [5]

Answer 3

Slide 6

Question 4

What are the contents of the cartridge? [5]

Answer 4

Slide 6

Question 5

Functions of LA found in the cartridge?

Question 6

Functions of Vasoconstrictor in the cartridge and give examples ?

Question 7

Functions of preservatives in the cartridge and give examples?

Question 8

Functions of sodium chloride in the cartridge?

Question 9

Functions of distilled water in the cartridge?

Question 10

What are the recommendations for use of cartridge? [5]

Answer 10

Slide 7

Question 11

How do we discard LA cartridges?

Answer 11

In sharps container

Question 12

What are the problems associated with needle use? [4]

Answer 12

Slide 8

Question 13

What are types of LA injection? [3]

Answer 13

Slide 9
1. Local infiltration
2. Field block
3. Nerve block

Question 14

Describe the techniques of LA on maxillary?

Answer 14

Slide 10 & 11
1. Supraperiosteal-LA will absorb into the bone going to the nerve in the pulp tissue
2. ASNB,MSNB &PSNB-are given buccally depending on the sections on the maxilla
3. Maxillary nerve block - if you’re working on the whole of the maxilla (1 quadrant)
4. Greater palatine nerve block
5. Nasopalatine nerve block

Question 15

Buccal nerve block goes together with?

Answer 15

IAN

Question 16

Why do you give Gow Gate mandibular nerve block? High mandibular nerve block

Answer 16

I the case where IANB failed or was not effective

Question 17

When do you give the Vazirani Akinosi nerve block?

Answer 17

When the pt cannot open their mouth

Question 18

35:00

Question 19

Name four supplemental injections you can give for efficient LA? [4]

Answer 19

1. Intrapulpal
2. Intraosseous
3. Intraligamental
4. Intraseptal

Question 20

What is the landmark when injecting PSA, MSA & ASA?

Answer 20

Mucobuccal fold beyond the apex of the tooth consent

Question 21

Where does the greater palatine and lesser palatine nerve innervate? [2]

Answer 21

Slide 11

Question 22

What is difference between direct and indirect technique of IANB?

Answer 22

1. Direct- syringe enters the mouth from opposite premolar occlusal area towards the pterygomandibular space of the side where you want to work on
2. Indirect- Occlusal surface of the teeth on the same side where your working from

Question 23

What is the pterygomandibular space? And it’s borders? [5]

Answer 23

1. The facial space of the head and neck
2. Borders- Ant: pterygomandibular raphe, Post: parotid gland, Med: medialpterygoid plate & Lat: lingual plate of mandibular ramus

Question 24

What are the contents of the pterygomandibular space?

Answer 24

1. Inferior alveolar nerve + lingual nerve
2. Maxillary artery
3. Maxillary veins

Question 25

Which nerves are successfully blocked with IANB?

Answer 25

1. IAN
2. Lingual nerve
3. Mental nerve
4. Incisive nerve

Question 26

When do you use the Gow Gate technique?

Answer 26

1. When the conventional IANB fails or you can not access the pterygomandibular due to fibrosis

Question 27

Which never are anesthetized with successful Gow Gate techniques?

Answer 27

All nerves of IAN & Auriculotemporal n, N. to mylohyoid and Buccal nerve

Question 28

Where do you target with Gow Gate?

Answer 28

Lateral side of condylar neck

Question 29

When do you give the vazirani akenosi?

Answer 29

Slide 15

Question 30

What is the target when performing Vazirane Akenosi technique?

Answer 30

The medial aspect of the mandibular ramus adjacent to the maxillary tuberosity