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Lasers in Dental Care (cont.)

How Do Lasers Work?

All lasers work by delivering energy in the form of light. When used for surgical procedures, the laser acts as a cutting instrument or a vaporizer of tissue that it comes in contact with. When used for "curing" a filling, the laser helps to strengthen the bond between the filling and the tooth. When used in teeth whitening procedures, the laser acts as a heat source and enhances the effect of tooth beaching agents.

What Are the Pros and Cons of Using a Laser?

Pros
Compared to the traditional dental drill, lasers:

  • May cause less pain in some instances, therefore, reducing the need for anesthesia
  • May reduce anxiety in patients uncomfortable with the use of the dental drill
  • Minimize bleeding and swelling during soft tissue treatments
  • May preserve more healthy tooth during cavity removal

Cons
The disadvantages of lasers are that:

  • Lasers can't be used on teeth with fillings already in place.
  • Lasers can't be used in many commonly performed dental procedures. For example, lasers can't be used to fill cavities located between teeth, around old fillings, and large cavities that need to be prepared for a crown. In addition, lasers cannot be used to remove defective crowns or silver fillings, or prepare teeth for bridges.
  • Traditional drills may still be needed to shape the filling, adjust the bite, and polish the filling even when a laser is used.
  • Lasers do not eliminate the need for anesthesia.
  • Laser treatment tends to be more expensive since the cost of the laser is much higher than a dental drill. Lasers can cost between $39,000 and $45,000 compared to about $600 for a standard drill.

Reviewed by the doctors at The Cleveland Clinic Department of Dentistry.

Reviewed by Jay H. Rosoff, DDS, on March 1, 2007

Edited by Charlotte E. Grayson, MD, on May 1, 2005.

Portions of this page © The Cleveland Clinic 2000-2005


Last Editorial Review: 6/17/2008

© 2005-2014 WebMD, LLC. All rights reserved.
Source article on WebMD


Source: MedicineNet.com
http://www.medicinenet.com/lasers_in_dental_care/article.htm

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