About Lasers in Dental Care

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Lasers in Dental Care

Lasers in Dental Care
Lasers in Dental Care

Lasers in Dental Care Information

Introduction

Lasers have been used in dentistry since 1994 to treat a number of dental problems. But, despite FDA approval, no laser system has received the American Dental Association's Seal of Acceptance. That seal assures dentists that the product or device meets ADA standards of safety and efficacy, among other things. The ADA, however, states that it is cautiously optimistic about the role of laser technology in the field of dentistry. These lasers are different from the cold lasers used in phototherapy for the relief of headaches, pain, and inflammation. Still, some dentists are using lasers to treat:

  • Tooth decay. Lasers are used to remove decay within a tooth and prepare the surrounding enamel for receipt of the filling. Lasers are also used to "cure" or harden a filling.
  • Gum disease. Lasers are used to reshape gums and remove bacteria during root canal procedures.
  • Biopsy or lesion removal. Lasers can be used to remove a small piece of tissue (called a biopsy) so that it can be examined for cancer. Laser are also used to remove lesions in the mouth; and relieve the pain of canker sores.
  • Teeth whitening. Lasers are used to speed up the in-office teeth whitening procedures. A peroxide bleaching solution, applied to the tooth surface, is "activated" by laser energy, which speeds up of the whitening process.

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

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