Laser Certification Exam Latest

Academy of Laser Dentistry (ADL) Laser Certification Exam (Latest Update 2025 / 2026) Questions & Answers | Grade A | 100% Correct

Question:

What absorbs laser light energy in tissue?

Answer:

chromophores

Question:

What is the relationship between laser wavelength and chromophores?

Answer:

you want to match the wavelength of the laser to that of the chromophores present in the target tissue

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Question:

What is transmission of a laser?

Answer:

movement of laser energy through a tissue with no effect on that tissue

Question:

What is reflection of laser energy?

Answer:

when the light re-directs itself off of a surface with no effect on the target tissue

Question:

What six factors determine the biologic effect of a laser?

Answer:

-wavelength -power density -duty cycle -emission mode/frequency -duration of exposure -controlling the amount of cooling

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Question:

Who needs to wear eye protection when working with lasers?

Answer:

anyone in the nominal hazard zone

Question:

What is nominal ocular hazard distance?

Answer:

the distance along the axis from the laser to the human eye beyond which the irradiance will not exceed MPE

Question:

What is NOHD?

Answer:

nominal ocular hazard distance

Question:

What is MPE?

Answer:

maximum permissible exposure 3 / 4

Question:

What is NHZ?

Answer:

nominal hazard zone

Question:

What is another name for NHZ?

Answer:

laser controlled area

Question:

What is the nominal ocular hazard area?

Answer:

the controlled area where the laser is being fired

Question:

What determines the NHZ for a laser?

Answer:

the NOHD

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