Laser Exam Questions and Answers Verified 100% Correct

Laser Exam Questions and Answers Verified 100% Correct Which of the following is the primary tissue interaction during tissue ablation? a. Fluorescence b. Scatter c. Transduction d. Absorption - ANSWER -d. Absorption Test fire Diode & Nd:YAG on dark paper. Test fire Erbium & CO2 on water. a. The first statement is true. The second statement is false. b. Both statements are true. c. The first statement is false. The second statement is true. d. Both statements are false. - ANSWER -b. Both statements are true. All of the following are properties of a Non-Initiated Bare Fiber except. a. Cooler b. Easily coagulates c. Can be unpredictable and self-initiate when in contact with pigment/tissue d. Laser penetration is deeper - ANSWER -b. Easily coagulates Photobiomodulation (LLLT) and the treatment of Aphthous Ulcers requires the tip to be in contact with tissue. (only false if using Thor laser) When the tip is in contact with tissue the coagulation of diseased epithelium occurs. a. The first statement is true. The second statement is false. b. Both statements are true. c. The first statement is false. The second statement is true. d. Both statements are false. - ANSWER - The purpose of an initiated tip is to deposit a small amount of pigment on the end of the bare diode fiber to a. Enhance surface tissue interaction b. Diminish surface tissue interaction c. Maintain surface tissue interaction - ANSWER -a. Enhance surface tissue interaction All of the following Diode and Nd:YAG Laser wavelengths are used in LAPT. What is the EXCEPTION? a. 940nm b. 810nm c. 410nm d. 1064nm - ANSWER -c. 410nm SOCKIT GEL contains artificial ingredients and narcotics, can result in overdose SOCKIT GEL contains a combination of aloe vera, xylitol, and essential oils that protect the oral tissues from irritation and contamination a. Both True b. Both False c. First statement true, second statement false d. First statement false, second statement true - ANSWER -d. First statement false, second statement true Which of the following are the goals of LAPT? a. Stop apical migration of clinical attachment b. Promote clinical reattachment of the tissues to the cementum of the teeth c. Recountour the gingival margin d. BothA and B - ANSWER -d. BothA and B Knowing the probing depths is important before inserting the laser fiber into the sulcus. Wiping the laser tip with an alcohol wipe is the best way of ensuring a clean laser tip. a. Both statements true b. Both statements are false c. First statement is true, second statement is false d. First statement is false, second statement is true - ANSWER -c. First statement is true, second statement is false All of the following are good pre-rinses before LAPT with the EXCEPTION of one. What is it? a. Chlorhexidine (0.12%) b. Sea Salt Water c. Hydrogen Peroxide (25%) d. Dakins (sodium hypochlorite) - ANSWER -c. Hydrogen Peroxide (25%) T/F: The 9,300 nm CO2 laser cuts soft tissue, while the 10,600 nm CO2 laser cuts hard tissue - ANSWER -a. FALSE (9300 for hard and soft tissue, 10600 for only soft tissue) What are the two lasers that must be in contact with the tissue for ablation to happen: a. Diode and Er:YAG b. Diode and Nd:YAG c. Er:YAG and Nd:YAG d. CO2 - ANSWER -b. Diode and Nd:YAG What is the wavelength of the diode laser that absorbs the most water compared to other diodes? a. 805-830nm b. 940nm c. 970-980 nm d. 1064 nm - ANSWER -c. 970-980 nm Which diode laser is used in periodontal therapy (i.e in pigmented bacteria)? (if question reads which diode laser reacts to pigment: ANSWER is all the above) a. 805-830nm and 980nm b. 940nm c. 975nm d. 1064 nm - ANSWER -a. 805-830nm and 980nm The diode laser tip is initiated for tissue ablation. The diode laser in un-initiated (not touching tissue) for photobiomodulation.