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ARMAMENTARIUM Flashcards

(63 cards)

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1
Q

deliver the content at the anesthetic cartridge through the needle to the patient

A

syringe

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2
Q

what are the characteristics of acceptable syringe

A

durable and able to withstand repeated sterilization without damage
capable of accepting a wide variety of needles and cartridge
inexpensive, self contained, light weight and simple to use
harpoon is sharp
provide for effective aspiration

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3
Q

steps in proper injection

A

insert needle in the correct depth
aspirate
deposit/inject

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4
Q

blood is present

A

positive aspiration

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5
Q

fluid or bubble but no blood

A

negative aspiration

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6
Q

what are the types of syringe available in dentistry

A

breech loading metallic cartridge type aspirating
breech loading plastic cartridge type aspirating
breech loading metallic cartridge type self aspirating
pressure syringe
jet injector
computer controlled LA delivery system

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7
Q

most common in dentistry

A

breech loading metallic cartridge type aspirating

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8
Q

it is attached to the barrel of the syringe at the needle of adaptor

A

needle

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9
Q

a sharp tip attached to the piston

A

harpoon

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10
Q

what is the harpoon shape

A

spear and screw

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11
Q

allow to push and pull the piston

A

thumb ring

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12
Q

a plastic, reusable,dental aspirating and both autoclavable and chemically sterilize

A

breech loading plastic cartridge type aspirating

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13
Q

advantages of breech loading plastic cartridge apsirating syringe

A

eliminates metallc, clinical look
light weight
cartridge is visible

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14
Q

to increase the ease of aspiration and uses the elasticity of the rubber diaphragm in the anesthetic cartridge

A

breech loading metallic catridge type self aspirating

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15
Q

for intraligamentary injection or periodontal ligament injection that injected in the PDL space through the gingival sulcus

A

pressure syringe

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16
Q

two types of pressure syringe

A

pistol grip and pen grip device

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17
Q

advantage of pressure syringe

A

permits measured dose
enables a relatively weak administrator to overcome the significant tissue resistance
complete encases the cartridge

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18
Q

disadvantage of pressure syringe

A

easy to inject rapidly
cost

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19
Q

needle less injection at the very high pressure can penetrate intact or mucous membrane

A

jet injector

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20
Q

liquids forced through very small openings called?

A

jets

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21
Q

how many solution calibrated in 2000 PSI

A

0.05-0.2ml

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22
Q

uses of jet injector

A

obtain topical anesthesia before needle insertion
obtain mucosal anestehsia of the palate

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23
Q

used for intramuscular,intravascular or intraoral injections

A

disposable syringes

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24
Q

advantages of disposable syringe

A

single use
sterile until opened
lighweight

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25
disadvantages of disposal syringe
does not accept prefilled dental catridge aspiration is difficult
26
what LA known for having antihistamine
diphenhydramine
27
minimizes the risk of accidental needle stick injury
safety syringes
28
improves on the ergonomics and precision of the dental syringe, foot pedal controlled and available flow rates of the LA is consistent from injection to the next
computer controlled local anesthetic delivery system
29
care and handling of syringe
wash and rinse the syringe as to be free of any LA solution, saliva or others syringe should be dismantled and all threaded joints should be lubricated harpoon should be clean with a brush replace pistons and harpoon in case harpoon loose its sharpness
30
4 problems of syringe
leakage during injection broken cartridge disengagement of harpoon from plunger during aspiration surface deposit
31
permit the LA solution to travel from dental cartridge into the tissue
needle
32
sensitive and where the needle fracture
hub
33
types of bevel
monobevel and bi bevel
34
what are the 2 factors in the selection of needle
gauge and length
35
what gauge has less pain, not accurate, high deflection of needle and easy to break
30
36
what gauge has equal pain, accurate in aspiration, possible for deflection and possible for needle breakage
25 and 27
37
what is the based on choosing the needle
viscosity of the blood
38
how to measure the needle
from the hub to the needle tip
39
20 mm
short needle
40
30-32
long needle
41
10 mm
ultra short needle
42
penetration of significant thickness of soft tissue
long needle
43
penetration of significant depths of soft tissue beyond 20 mm
short needle
44
care and handling of needle
must never be used more than one patient changes after severaltissue penetration in same patient covered with protective sheath attention should always be paid to the position of the uncovered needle tip must be properly disposed after used
45
problem in needle
pain on insertion breakage pain on the widthrawal injury to the patient on administration
46
how to prevent breakage
do not bend the needle do not change direction of the needle when embedded to the tissue
47
a glass cylinder containing LA drug among the other ingredients
cartridge
48
cartridge content
LA drug vasopressor/ epinephrine antioxidant/ sodium bisulfite sodium chloride distilled water methylparaben
49
makes the solution isotonic with the tissue of the body
sodium chloride
50
8 problems in cartridge
bubbles extruded stopper burning on injection sticky stopper eroded cap rust on the cap leakage during injection broken cartilages
51
being trapped in the cartridge and potentially destroyed the vasopressor
small bubbles
52
result of freezing the anesthetic solution
large bubbles
53
what gas used to prevent the oxygen trapped in cartridge
nitrogen gas
54
what antispetic is not used on patient that has hyperthyroidism and prescribed after oral surgery
povidone iodine
55
contents of povidone iodine
1% mouth rinse 7.5% soap 10% betadine
56
prescribed after perio treatments and can cause tooth discoloration
chlorhexidine
57
contents of chlorhexidine
0.12% or 0.2% concentration 2% rct procedures
58
usually prescribed in medical field
hexetidine
59
solution of hexitidine
5%
60
place directly at the site of penetration approx for 1 min
topical anesthesia
61
an ester anesthesia only available as topical
benzocaine 20%
62
an amide available as topical and injection
lidocaine
63
how many percent solution is lidocaine as topical
5%,10% and 15%

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