Laser Certification Exam 2025
Questions and Answers 100% Pass
Which of the following correctly describes the depth of penetration of laser light? -
✔✔Depends on wavelength and tissue composition
When considering thresholds of temperature gradients on soft tissue, a temperature
range of 60°C to 65°C would produce which biological effect(s)? - ✔✔Denaturation and
coagulation
The region that is NOT part of the electromagnetic spectrum is: - ✔✔Beta rays
The primary determinant of predicting tissue interaction of a particular wavelength is: -
✔✔Absorption
Articulated arms are used in some laser delivery systems. The components include: -
✔✔Mirrors
All laser designs incorporate which of the following components? - ✔✔Laser optical
cavity and active medium
Which of the following statements applies to chromophores? - ✔✔Absorb only specific
wavelengths of laser light
In the process of stimulated emission, more excited atoms are produced than non-
excited atoms. This results in a: - ✔✔Population inversion
COPYRIGHT © 2025 BY GRACE AMELIA, ALL RIGHTS RESERVED 1
, In the electromagnetic spectrum, which of the following statements is true? -
✔✔Wavelength and amplitude are inversely proportional
At what point is the energy density emitted from a diode laser fiber-optic tip at its
greatest level - ✔✔At the end of the tip
What are the 2 ANSI rules that apply to lasers? - ✔✔Z136.1 and Z136.3
Most dental lasers fall under which laser classification? - ✔✔Class IV
Which 2 laser classifications do not require displaying a warning use when in use? -
✔✔Class I and Class II
Which of the following should be used with a dental laser? - ✔✔High volume
evacuation
All laser safety eyewear must be labeled with: - ✔✔Wavelength and Optical Density
When an adverse event occurs, what should happen first? - ✔✔Manage the patient
How long do laser maintenance records need to be kept? - ✔✔5 years
Where do laser warning signs need to be placed in a dental office? - ✔✔At the entrance
of the operatory where the laser is in use
True or False. The Nominal Hazard Zone varies depending on the laser type - ✔✔True
Who requires manufacturers to include specific engineering controls for dental lasers? -
✔✔FDA
Place the following treatment options in the order of use for periodontal therapy
- Hands Scaling (Mechanical Debridement)
COPYRIGHT © 2025 BY GRACE AMELIA, ALL RIGHTS RESERVED 2
Questions and Answers 100% Pass
Which of the following correctly describes the depth of penetration of laser light? -
✔✔Depends on wavelength and tissue composition
When considering thresholds of temperature gradients on soft tissue, a temperature
range of 60°C to 65°C would produce which biological effect(s)? - ✔✔Denaturation and
coagulation
The region that is NOT part of the electromagnetic spectrum is: - ✔✔Beta rays
The primary determinant of predicting tissue interaction of a particular wavelength is: -
✔✔Absorption
Articulated arms are used in some laser delivery systems. The components include: -
✔✔Mirrors
All laser designs incorporate which of the following components? - ✔✔Laser optical
cavity and active medium
Which of the following statements applies to chromophores? - ✔✔Absorb only specific
wavelengths of laser light
In the process of stimulated emission, more excited atoms are produced than non-
excited atoms. This results in a: - ✔✔Population inversion
COPYRIGHT © 2025 BY GRACE AMELIA, ALL RIGHTS RESERVED 1
, In the electromagnetic spectrum, which of the following statements is true? -
✔✔Wavelength and amplitude are inversely proportional
At what point is the energy density emitted from a diode laser fiber-optic tip at its
greatest level - ✔✔At the end of the tip
What are the 2 ANSI rules that apply to lasers? - ✔✔Z136.1 and Z136.3
Most dental lasers fall under which laser classification? - ✔✔Class IV
Which 2 laser classifications do not require displaying a warning use when in use? -
✔✔Class I and Class II
Which of the following should be used with a dental laser? - ✔✔High volume
evacuation
All laser safety eyewear must be labeled with: - ✔✔Wavelength and Optical Density
When an adverse event occurs, what should happen first? - ✔✔Manage the patient
How long do laser maintenance records need to be kept? - ✔✔5 years
Where do laser warning signs need to be placed in a dental office? - ✔✔At the entrance
of the operatory where the laser is in use
True or False. The Nominal Hazard Zone varies depending on the laser type - ✔✔True
Who requires manufacturers to include specific engineering controls for dental lasers? -
✔✔FDA
Place the following treatment options in the order of use for periodontal therapy
- Hands Scaling (Mechanical Debridement)
COPYRIGHT © 2025 BY GRACE AMELIA, ALL RIGHTS RESERVED 2
