Dental Hygiene Local Anesthesia Study
Boards Exam Questions With Correct
Answers
Pain perception - answer✔✔fear of pain, keeps seeking dental care
What are 2 ways we control pain in dentistry? - answer✔✔1. Behavioral Method
2. Pharmacological Method
What is behavioral Method? - answer✔✔breathing exercise, meditation, acupuncture
What are some pharmacological methods? - answer✔✔1. LA
2. Inhalation (nitrous)
3. sedation oral premedication (valium)
4. conscious sedation
5. IV sedation
6. general anesthesia
Local anesthesia is for? - answer✔✔pain control
Inhalation sedation is for ? - answer✔✔help control fear
what is armamentarium and the components? - answer✔✔equipment to administer LA
1. syringe
2. needle
3. cartridge
4. topical
type of syringes? - answer✔✔1.non disposable
2. disposable
What are the 5 types of NON DISPOSABLE SYRINGES? - answer✔✔1. breech loading
metallic cartridge, aspirating
2. Breech loading, plastic cartridge, aspirating
3. breech loading metallic cartridge, self aspirating
4. pressure
5. jet injector
in SCCC we use which type of syringe? - answer✔✔breech loading metallic cart. aspirating
breech loading means? - answer✔✔cartridge isolated from the side
there are 5 components of a syringe what are they? - answer✔✔1. Needle adapter
2. syringe barrel
3. piston and harpoon
4. finger grip
5. thumb ring
The thumb ring traps and controls the syringe as well as ? - answer✔✔move the piston
the finger grip is for what? - answer✔✔grasp and control syringe
the piston connects what two things? - answer✔✔thumb ring and harpoon
The harpoon allows for what kind of pressure within cartridge? to check what?> -
answer✔✔negative pressure to check location of lumen of needle
5 advantages of breech loading metallic cart. aspirating syringe? - answer✔✔1. visible cart
2. one hand aspirating
3. autoclavable
4. rust resistant
5. long lasting
what are disadvantage of breech loading metallic cart, aspirating syringe? - answer✔✔1. weight
2. too big 3. infection if improper care
a non aspirating syringe has risk for? - answer✔✔intravascular drug administration
what type of syringe is the standard of care? - answer✔✔aspirating
what are the type of needle lengths in dentistry? 3 types and mm length? - answer✔✔LONG
which is 32mm
Short 25mm and
ultrashort is 12 mm only in 30 gauge
5 parts to a needle?? draw and label - answer✔✔Bevel
shaft
hub
syringe adapter
cart penetration end
2 factors to consider about shaft? - answer✔✔diameter lumen
length from point to hub
what is a gauge? - answer✔✔diameter of lumen. smaller greater diameter
colors of needles? 25? 27? 30? which is largest lumen? - answer✔✔25 red is the largest
27 yellow
30 blue
which needle is recommended for inj posing high risk positive aspiration? - answer✔✔red 25
gauge
which needle recommended for injection where positive aspiration is low and tissue penetration
is minimal? - answer✔✔yellow 27 guage
4 advantage of using larger gauge? - answer✔✔1. less deflection
2. greater accuracy
3. less chance breakage
4. aspiration easier and more reliable
what is deflection? - answer✔✔needle deflects away target area, from bevel
change the needle after how many penetrations? - answer✔✔3-4
draw and name parts of cartridge? - answer✔✔cylindrical glass tube
plunger
Aluminum cap
neck
diaphragm
which component of cart is made of latex? - answer✔✔diaphragm
what are the components of a cartridge? - answer✔✔local anesthetic drug
Vasoconstrictor
Preservative for vaso
sodium chloride
distilled water
each cart is made of how much soln? - answer✔✔1.8ml or 1.8cc
packaging of cart can come in 2 types and number in each? - answer✔✔vacuum sealed*50
sealed blister 10
cart should store in light or dark place? why? - answer✔✔dark cause deterioration mainly vaso.
decrease duration of anesth
can you immerse cart in disinfectant? why? - answer✔✔never, contamination and corrode cap
topical effective into how much tissue? - answer✔✔2-3 mm not deep or hard tissue
what causes leakage during injection? - answer✔✔off center perforation of diaphragm
what causes broken cart? - answer✔✔worn syringe, bent harpoon
excess force
needle bend not engaged
what causes disengagement of harpoon? - answer✔✔dull harpoon
excess force during aspiration
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