MWU Laser Exam Class of 2025 100% verified correct With complete solution Newest RATED A+

MWU Laser Exam Class of 2025 100% verified correct
With complete solution Newest RATED A+
The unit of frequency (number of laser pulses/sec.) is: - Correct Answers Hertz
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Il` The unit of energy density (amount of energy per unit area) is: - Correct Answers Fluence
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Il` What is the definition of Power? - Il` Il` Il` Il` Il` Il`




Il`Il`Correct Answers Amount of work performed per unit time, expressed in watts (W)
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During non-surgical laser-
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assisted periodontal therapy, how deep into the periodontal pocket is the tip of the laser fiber place
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d? - Correct Answers To the base of the pocket
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Il` A laser pulse cycles between ON for 5 ms and OFF for 20 ms. What is the duty cycle? -
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Il`Il`Correct Answers 20% Il` Il`Il`Il`Il`Il`




Il` Vaporization of soft tissues occurs at: - Correct Answers 100-150 C Il` Il` Il` Il` Il` Il` Il`Il` Il` Il`Il`Il`Il`Il` Il`




In Photobiomodulation Therapy (PBMT), low doses stimulate wound healing while high doses inhi
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bit pain. What principle does this follow? - Correct Answers Arndt-Schultz Principle
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Il` Which of the following is TRUE regarding the THOR® laser used for PMBT? -
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Il`Il`Correct Answers It has wavelengths of 660 nm and 810 nm Il` Il`Il`Il`Il`Il` Il` Il` Il` Il` Il` Il` Il` Il`




Il` The first laser ever built in 1960 was: - Correct Answers Ruby
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Il` Laser is an acronym for: - Correct Answers Light amplification by stimulated emission of radiation
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, Il` Dental laser beams are: - Correct Answers Monochromatic, coherent, and collimated
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Il` Which laser wavelength can penetrate to the retina of the eye and cause damage? -
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Il`Il`Correct Answers Nd:YAG Il` Il`Il`Il`Il`Il`




Which of the following is NOT a tissue chromophore that absorbs an infrared dental laser waveleng
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th? - Correct Answers Sodium
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Il` The peak power of a laser running in Continuous Wave mode is: -
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Il`Il`Correct Answers The same as its average power
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Thermal relaxation refers to: -
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Correct Answers The ability of the tissues to absorb and dissipate heat to help minimize thermal d
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amage with pulsed laser usage Il` Il` Il` Il`




Il` Carbonization of soft tissues occurs at what temperature? - Correct Answers 200+ C Il` Il` Il` Il` Il` Il` Il` Il` Il`Il` Il` Il`Il`Il`Il`Il` Il`




Il` Photobiomodulation utilizes which of the following? - Il` Il` Il` Il` Il` Il`




Il`Il`Correct Answers Nonionizing light sources, lasers and LEDs, visible and infrared
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Il` When using the 810 nm Diode laser, in what circumstance would we use the non-initiated tip? -
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Il`Il`Correct Answers Photobiomodulation Il` Il`Il`Il`Il`Il`




Il` Which of the following is NOT a result of photobiomodulation? -
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Il`Il`Correct Answers Reduced function of osteoblasts
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Il` What are the two lasers that must be in contact with the tissue for ablation to happen? -
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Il`Il`Correct Answers Diode and Nd:YAG Il` Il`Il`Il`Il`Il` Il` Il`