Mod 5 Flashcards
What does LASER stand for
light amplification by stimulated emission of radaiation
how are lasers classified
by wavelengths on electromagnetic spectrum
where are all therapeutic dental lasers in the spectrum
infared
does each laser have 100% predictable tissue interaction
yes
lasers are______ color of light
a single color
are lasers visible
most are not
what is the typical tissue interaction of lasers
thermal
what is the term for vaporization of tissue
ablation
what do lasers minimize to promote healing
inflammatory response
what is the effect of the laser dependant on
target tissue and appropriate wavelength
What are the types of lasers
-argon diode nd:yag er: yag ho:yag CO2
what are the lasers that are commonly used in dentistry
diode, nd:YAG, CO2
What is the mechanism of the Diode laser
uses heat to melt the tissue (ablation, vaporization)
what are characteristics of diode
- good hemostsis
- continuous beam
is a diode good in deep pockets
no
what are uses of a diode laser
cosmetic, perio, biopsies, gingivectomies, frenectomies, desensitization, whitening
what does the diode claim to do
regenerate cementum, bone and PDL
what is the first laser in dentistry which cuts quickly and deeply
CO2
what kind of wavelength does a CO2 have
high
CO2 is highly absorbed in what
watery tissues
what does the CO2 create
a char, biological bandaid
what does nd:YAG stand for
neodymium doped ytrium aluminum garnet
how far does the nd:YAG penetrate
deeper than CO2, can remove soft tissue
what kind of beam does the nd: YAG have
pulsed beam for short periods of time
when is the er:YAG used
for hard tissue only
what is the only laser in the visible light spectrum
Argon
characteristics of Ho:YAG
-absorbed in watery tissue
-ablation
used by oral surgeons in TMJ tx
-produces high amt of thermal emission
What is the time per tooth for laser bacterial reduction? fullmouth?
3-5 sec per tooth, 5 min
What lasers are approved for the laser assisted new attachment procedure
nd:yag, diode
what is the laser assisted new attachment procedure
attempt to regenerate the perio attachment, good for class II, III
how long should there be between treatment with laser per quad
10 days
can one laser doe everything
no
what are some safety things to know about lasers
- eyewear on anyone in 6 ft radius
- optical density of at least 4
can the n20 be used during laser and 02
no
are there limitations for the laser
no
