Laser in medicine

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Questions and Answers

What is the most common procedure performed with dental lasers?

  • Restorative indications
  • Laser teeth whitening
  • Periodontal packing
  • Gingivectomy (correct)

What is the main advantage of diode lasers over other laser types?

  • Smaller setup and lower price (correct)
  • Reduced pain
  • Faster healing
  • Better precision

What is the goal of laser teeth whitening?

  • To remove stains from teeth
  • To reduce discoloration and make teeth look whiter (correct)
  • To treat periodontal disease
  • To remove gum tissue

What is the name of the laser type that is commonly used for laser teeth whitening?

<p>Not mentioned in the text (D)</p> Signup and view all the answers

What is the effect of the laser on the bleaching gel in laser teeth whitening?

<p>It heats up the gel (C)</p> Signup and view all the answers

What is a common reason for tooth discoloration?

<p>All of the above (D)</p> Signup and view all the answers

What is the primary function of a laser in laser teeth whitening?

<p>To activate the bleaching gel (A)</p> Signup and view all the answers

What is the result of using laser gingivectomy?

<p>Rapid healing and reduced pain (C)</p> Signup and view all the answers

What is the name of the procedure that involves the use of a bleaching gel and a laser?

<p>Laser teeth whitening (B)</p> Signup and view all the answers

What is the acronym 'LASER' stand for?

<p>Light Amplification by Stimulated Emission of Radiation (C)</p> Signup and view all the answers

What is the process by which an excited atom returns to its ground state and emits a photon?

<p>Stimulated emission (B)</p> Signup and view all the answers

What is the purpose of gum reshaping or contouring?

<p>To make teeth look larger (C)</p> Signup and view all the answers

What type of anesthetic is used for gum reduction surgery?

<p>Local anesthesia (D)</p> Signup and view all the answers

What is the typical characteristic of a laser beam in terms of direction?

<p>Uni-directional (B)</p> Signup and view all the answers

What is the result of population inversion in a laser?

<p>More atoms in the excited state (C)</p> Signup and view all the answers

What is the purpose of surgical gingivectomy?

<p>To remove excess gum tissue (A)</p> Signup and view all the answers

What is the term for the energy absorbed by an electron when it moves to a higher energy level?

<p>ΔE (D)</p> Signup and view all the answers

What is used to clean the area after the surgical gingivectomy procedure?

<p>Saline (A)</p> Signup and view all the answers

What is the process by which an electron moves from a higher energy level to a lower energy level, emitting a photon?

<p>De-excitation (D)</p> Signup and view all the answers

How long is the surgical dressing typically left in place after the procedure?

<p>A week (B)</p> Signup and view all the answers

What type of surgery involves the use of a laser, scalpel, or radiosurgery?

<p>Gum reduction surgery (B)</p> Signup and view all the answers

What is the frequency of a laser beam?

<p>Single frequency (B)</p> Signup and view all the answers

What is an application of lasers in medicine?

<p>Eye surgery (D)</p> Signup and view all the answers

What is the power range of laser pointers?

<p>1-5 mW (C)</p> Signup and view all the answers

What is a common use of lasers in everyday technology?

<p>All of the above (D)</p> Signup and view all the answers

What is the most powerful laser produced, and where was it produced?

<p>1.3 PW, at Lawrence Livermore Lab (D)</p> Signup and view all the answers

What is the purpose of a surgical dressing or pack in gum reduction surgery?

<p>To protect the area (A)</p> Signup and view all the answers

Diode lasers are the most expensive type of laser.

<p>False (B)</p> Signup and view all the answers

Laser teeth whitening is a procedure that can be done at home.

<p>False (B)</p> Signup and view all the answers

Laser gingivectomy is a procedure used for restorative purposes only.

<p>False (B)</p> Signup and view all the answers

Nd:YAG laser is a type of laser used for dental applications.

<p>True (A)</p> Signup and view all the answers

CO2 laser is used for teeth whitening.

<p>False (B)</p> Signup and view all the answers

Tooth discoloration can be caused by consuming certain foods and drinks.

<p>True (A)</p> Signup and view all the answers

Laser teeth whitening involves the use of a bleaching gel and a scalpel.

<p>False (B)</p> Signup and view all the answers

Diode lasers are used for laser teeth whitening.

<p>False (B)</p> Signup and view all the answers

Laser gingivectomy is a procedure that typically requires periodontal packing or sutures.

<p>False (B)</p> Signup and view all the answers

Laser teeth whitening can only be done on natural teeth.

<p>False (B)</p> Signup and view all the answers

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