LASER CERTIFICATION Exam Questions AND Correct Answers
_____ determines the target effect - ✔✔absorption
10,600 nm expressed in microns is (nanometers - 10-9 and microns 10-6)
a. 106.00
b. 1060.00
c. 10.60
d. 1.06 - ✔✔c
ablation is also called - ✔✔vaporization
ablation results in - ✔✔high absorption
micro-explosion of inter and intracellular fluid
active medium - ✔✔the source of atoms that undergo excitation in a laser; can
be a gas (CO2, argon), crystal (erbium, YAG, Nd), or semiconductor (diode)
all colors focused together produce - ✔✔white light
all tissue lasers - ✔✔erbium, CO2 9300nm
An erbium laser operates in which portion of the electromagnetic spectrum -
✔✔mid infrared
,ANSI - ✔✔American National Standards Institute
developed general and clinical standards for safe laser use
Z136
ANSI has __ classes of lasers - ✔✔4
Average power equals peak power for a - ✔✔Laser operating in continuous
wave
avoid these objects with the laser - ✔✔alcohol
oxygen
other combustible items
bacterial inactivation and protein denaturation occurs at - ✔✔50-60 degrees
basic functions of a laser - ✔✔ablate
decontaminate
stimulate
best lasers for enamel & hydroxyapatite - ✔✔CO2
erbium
best lasers for hemoglobin - ✔✔diode
ND:YAG/YAP
, best lasers for pigment - ✔✔diode
ND:YAG/YAP
best lasers for water - ✔✔erbium
CO2
ND:YAG
diode
Biopsy specimens removed with a dental laser first must be - ✔✔fixed in
formalin
carbonization occurs at - ✔✔>200 degrees
characteristics of light - ✔✔travels in a straight lines
travels in waves
carries energy
gives off multiple light rays
Clinical indications for using a CO2 laser, 10,600nm laser include:
d. Composite removal (hard tissue)
b. Osseous contouring (hard tissue)
c. Leukoplakia removal (soft tissue)
d. Photochemical stimulation - ✔✔c
_____ determines the target effect - ✔✔absorption
10,600 nm expressed in microns is (nanometers - 10-9 and microns 10-6)
a. 106.00
b. 1060.00
c. 10.60
d. 1.06 - ✔✔c
ablation is also called - ✔✔vaporization
ablation results in - ✔✔high absorption
micro-explosion of inter and intracellular fluid
active medium - ✔✔the source of atoms that undergo excitation in a laser; can
be a gas (CO2, argon), crystal (erbium, YAG, Nd), or semiconductor (diode)
all colors focused together produce - ✔✔white light
all tissue lasers - ✔✔erbium, CO2 9300nm
An erbium laser operates in which portion of the electromagnetic spectrum -
✔✔mid infrared
,ANSI - ✔✔American National Standards Institute
developed general and clinical standards for safe laser use
Z136
ANSI has __ classes of lasers - ✔✔4
Average power equals peak power for a - ✔✔Laser operating in continuous
wave
avoid these objects with the laser - ✔✔alcohol
oxygen
other combustible items
bacterial inactivation and protein denaturation occurs at - ✔✔50-60 degrees
basic functions of a laser - ✔✔ablate
decontaminate
stimulate
best lasers for enamel & hydroxyapatite - ✔✔CO2
erbium
best lasers for hemoglobin - ✔✔diode
ND:YAG/YAP
, best lasers for pigment - ✔✔diode
ND:YAG/YAP
best lasers for water - ✔✔erbium
CO2
ND:YAG
diode
Biopsy specimens removed with a dental laser first must be - ✔✔fixed in
formalin
carbonization occurs at - ✔✔>200 degrees
characteristics of light - ✔✔travels in a straight lines
travels in waves
carries energy
gives off multiple light rays
Clinical indications for using a CO2 laser, 10,600nm laser include:
d. Composite removal (hard tissue)
b. Osseous contouring (hard tissue)
c. Leukoplakia removal (soft tissue)
d. Photochemical stimulation - ✔✔c
