Local Anesthesi

Question 1

After complex extraction of the 37 tooth a patient experienced anaesthesia of the left half of his lower lip and chin. Electroodontodiagnos showed reduction of lower jaw teeth electroexcitability on the left. What is the most likely diagnosis?

Answer 1

Neuritis of the left inferior alveolar nerve

Question 2

A 30-year-old patient consulted a dentist about dull pain, numbness in the lower teeth, the lower lip and chin on the right. Anamnesis data: the problems arose a week ago after the extraction of an impacted wisdom tooth on the right lower jaw. The patient developed the following disease:

Answer 2

A. Neuritis of the inferior alveolar nerve

Question 3

A 34-year-old patient has indicati- on for extraction of the 38 tooth because of chronic fibrous periodontitis. Oral surgeon performed torus anaesthesia. This anaesthesia blocked transmission of pain information from the following nerves:

Answer 3

Infraalveolar
lingual
buccal

Question 4

A 40-year-old patient has an indication for the extraction of central maxillary incisors. What nerve structures are blocked by the incisor anesthesia?

Answer 4

Nasopalatine nerve

Question 5

Which structures anesthetized by mental nerve ?

Answer 5

Soft tissue of labial side or lower premolar - incisors

Question 6

A patient has an indication for the 12 tooth extraction for the exacerbati- on of chronic periodontitis. It was deci- ded to apply infraorbital and incisive anesthesia in this patient. What nerve structures are blocked by this anesthesia?

Answer 6

Incisive nerve

Anterior superior alveolar branches,

Question 7

13. A patient has indication for removal of his medial incisor of the right upper jaw on account of chronic periodontitis. What types of anaesthesia should be applied for tooth removal?

Answer 7

Infraborbital and incisive

Question 8

A patient consulted an oral surgeon about pain in the region of his left upper jaw that appeared 3 days ago. After examination the patient was diagnosed with exacerbation of chronic periodontitis of the 17 tooth. It is indicated to extract the 17 tooth. What nerves should be blocked for painless extraction of the 17 tooth?

Answer 8

Posterior alveolar nerves and greater palatine nerve

Question 9

A 28-year-old patient has been scheduled for the surgical resection of the root apex of the 12 tooth for chronic granulomatous periodontitis. What kind of anesthesia should be given the patient before the surgery?

Answer 9

Bilateral infraorbital and incisive

Question 10

A patient consulted an oral surgeon about maxillary pain on the left, whi- ch arose three days ago. After exami- nation, the patient was diagnosed with exacerbation of chronic periodonti- tis of the 17 tooth. The 17 tooth is indicated for extraction. What nerves should be blocked for a painless extraction of the 17 tooth?

Answer 10

Posterior alveolar nerves and greater palatine nerve

Question 11

A patient is scheduled for the dissection of an abscessed upper lip furuncle. What kind of anesthesia is indicated for this intervention?

Answer 11

Bilateral infraorbital

Question 12

82.With the purpose of the 46 tooth extraction, a 28-year-old male pati- ent was given Weisbrem’s anesthesia. Specify the site of anesthetic injection with this anesthesia:

Answer 12

Mandibular torus

Question 13

A patient has indication for removal of his medial incisor of the right upper jaw on account of chronic periodontitis. What types of anaesthesia should be applied for tooth removal?

Answer 13

Infraborbital and incisive

Question 14

It is planned to lance an abscess of hard palate (it is localized close to the 23, 24, 25 teeth) and to extract the causative 24 tooth that had caused abscess development. What type of anaesthesia is indicated for this operation?

Answer 14

A. Infraorbital, palatinal and incisor

Question 15

PSAN block

Answer 15

Maxillary molars hard and soft tissue buccal

Question 16

MSAN block

Answer 16

Mesiobuccal root if 1st molar , premolars hard , soft tissue buccal

Question 17

ASAN block

Answer 17

Maxillary anteriors buccal soft and hard tissues
Mesiobuccal root if 1st molar in some cases

Question 18

Greater palatine nerve block

Answer 18

PALATAL mucosa from anterior premolar and posterior of palate until midline

Question 19

Nasopalatine nerve block

Answer 19

Hard and soft tissue of anterior aspect of maxilla distally to the canine until other part of arch same point

Question 20

Maxillary nerve block

Answer 20

Half of maxilla in injection side , teeth , hard , soft , lingual tissu

Question 21

IAN Block

Answer 21

Depend of the used technique
Halsted : all teeth bone , anterior soft tissue labially due to mental nerve.
Accedintally lingual
Gas gate : buccal , IAN , lingual , auriculomotor , mylohyoid

Question 22

Buccal nerve

Answer 22

Buccal soft tissue of molars

Question 23

Mental nerve

Answer 23

Chin , lower lip , from premolar to incisors labial soft tissue

Question 24

Incisive nerve

Answer 24

Pre molars , anterior teeth
Lower lip , skin over chin , labial tissue of anterior

Question 25

What’s the characteristics of upper jaw bone ?

Answer 25

Cortical bone is thin and porous compared to mandible , anasthetic solution easly diffuse to nerve endings.

Question 26

Mandibular bone characterstics

Answer 26

Thick espicially in molars , less in anterior region so we can do infiltration.

Question 27

Why 1st maxillary molar need to injections ?

Answer 27

MSAN , PSAN

Question 28

Which nerve block for profound pulpal anesthesia in mandible ?

Answer 28

IAN BLOCK

Question 29

Which nerve we should anesthetize if molar don’t numb?

Answer 29

Greater palatine injection

Question 30

Where is the intraligamentry needle insertion occur ?

Answer 30

Mesiobuccal aspect of the root