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Dental Hygiene III > Mod 5 > Flashcards

Mod 5 Flashcards

1
Q

What does LASER stand for

A

light amplification by stimulated emission of radaiation

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2
Q

how are lasers classified

A

by wavelengths on electromagnetic spectrum

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3
Q

where are all therapeutic dental lasers in the spectrum

A

infared

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4
Q

does each laser have 100% predictable tissue interaction

A

yes

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5
Q

lasers are______ color of light

A

a single color

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6
Q

are lasers visible

A

most are not

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7
Q

what is the typical tissue interaction of lasers

A

thermal

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8
Q

what is the term for vaporization of tissue

A

ablation

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9
Q

what do lasers minimize to promote healing

A

inflammatory response

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10
Q

what is the effect of the laser dependant on

A

target tissue and appropriate wavelength

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11
Q

What are the types of lasers

A 
-argon
diode
nd:yag
er: yag
ho:yag
CO2
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12
Q

what are the lasers that are commonly used in dentistry

A

diode, nd:YAG, CO2

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13
Q

What is the mechanism of the Diode laser

A

uses heat to melt the tissue (ablation, vaporization)

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14
Q

what are characteristics of diode

A
  • good hemostsis

- continuous beam

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15
Q

is a diode good in deep pockets

A

no

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16
Q

what are uses of a diode laser

A

cosmetic, perio, biopsies, gingivectomies, frenectomies, desensitization, whitening

17
Q

what does the diode claim to do

A

regenerate cementum, bone and PDL

18
Q

what is the first laser in dentistry which cuts quickly and deeply

A

CO2

19
Q

what kind of wavelength does a CO2 have

A

high

20
Q

CO2 is highly absorbed in what

A

watery tissues

21
Q

what does the CO2 create

A

a char, biological bandaid

22
Q

what does nd:YAG stand for

A

neodymium doped ytrium aluminum garnet

23
Q

how far does the nd:YAG penetrate

A

deeper than CO2, can remove soft tissue

24
Q

what kind of beam does the nd: YAG have

A

pulsed beam for short periods of time

25
Q

when is the er:YAG used

A

for hard tissue only

26
Q

what is the only laser in the visible light spectrum

A

Argon

27
Q

characteristics of Ho:YAG

A

-absorbed in watery tissue
-ablation
used by oral surgeons in TMJ tx
-produces high amt of thermal emission

28
Q

What is the time per tooth for laser bacterial reduction? fullmouth?

A

3-5 sec per tooth, 5 min

29
Q

What lasers are approved for the laser assisted new attachment procedure

A

nd:yag, diode

30
Q

what is the laser assisted new attachment procedure

A

attempt to regenerate the perio attachment, good for class II, III

31
Q

how long should there be between treatment with laser per quad

A

10 days

32
Q

can one laser doe everything

A

no

33
Q

what are some safety things to know about lasers

A
  • eyewear on anyone in 6 ft radius

- optical density of at least 4

34
Q

can the n20 be used during laser and 02

A

no

35
Q

are there limitations for the laser

A

no

Dental Hygiene III (11 decks)

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