Armamentarium

Question 1

basic instruments in OS

Answer 1

• mouth mirror
• cotton pliers
• explorer

Question 1

3 types of povidone iodine (betadine)

Answer 1

• 1%
• 7.5%
• 10%

Question 2

1% povidone iodine: use

Answer 2

for gargling/oral rinse

Question 3

7.5% povidone iodine: use

Answer 3

for scrubbing of hands

Question 4

10% povidone iodine: use

Answer 4

for extraoral sanitation (i.e. wounds, etc.)

Question 5

2 types of chlorhexidine (orahex)

Answer 5

• 0.20%
• 0.12%

Question 6

advantages of using chlorhexidine (orahex)

Answer 6

• very strong antibacterial; can kill spores
• can be used for cancer px

Question 7

0.20% chlorhexidine: use

Answer 7

for moderate to severe gingival disease gargling

Question 8

0.12% chlorhexidine: use

Answer 8

for everyday gargling

Question 9

2 types of topical anesthetic

Answer 9

• ointment type
• spray type

Question 10

most ideal topical anesthetic

Answer 10

ointment type

Question 11

effect of amide in topical anesthetic

Answer 11

vasoconstrictor; causes wrinkling effect of gingiva which indicates efficacy of anesthesia

Question 12

common dental syringe needles used

Answer 12

• 0.25 g
• 0.27 g
• 0.30 g

Question 13

4 most commonly used anesthetic solutions

Answer 13

• lidocaine 2%
• articaine 4%
• bupivacaine
• mepivacaine 3%

Question 14

epi concentration of lidocaine 2%

Answer 14

1:100,000 epi

Question 15

types of anesthetic solutions and where they are synthesized

Answer 15

• amide = liver
• ester = kidney/blood plasma

Question 16

components of anesthetic solution

Answer 16

• anesthetic agent
• vasoconstrictor
• distilled water
• sodium bisulfite
• sodium chloride
• methyl paraben*

Question 17

function in anesthetic solution: vasoconstrictor

Answer 17

prolongs action of LA

Question 18

function in anesthetic solution: distilled water

Answer 18

vehicle

Question 19

function in anesthetic solution: sodium bisulfite

Answer 19

stabilizer

Question 20

function in anesthetic solution: sodium chloride

Answer 20

buffer system; makes solution isotonic with body tissues

Question 21

why methyl paraben has been removed in more recent anesthetic solutions

Answer 21

causes allergic reactions

Question 22

recommended size of sterile gauze pads

Answer 22

2x2a

Question 23

advantage of sterile gauze pads vs cotton

Answer 23

• can absorb 10x more than cotton
• does not leave cotton strands

Question 24

2 types of sterile saline solution

Answer 24

• for irrigation
• for infusion

Question 25

syringe and needle used for irrigation of saline solution

Answer 25

at least 10ml syringe, 18 g needle

Question 26

recommended concentration of saline solution

Answer 26

0.9 NaCl

Question 27

2 types of instruments used for elevating the mucoperiosteum

Answer 27

• molt periosteal elevator #9
• # 1 woodson instrument (gum separator)

Question 28

3 parts of dental forceps

Answer 28

• beak
• hinge
• handle