When Are Lasers Used In Dentistry?

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You may be surprised to learn that lasers have many purposes in modern dentistry. Dental lasers can be used in the following treatments and procedures.

Cosmetic Dentistry

  • Teeth whitening is one of the most common uses for a dental laser, which activates agents in the peroxide bleach to speed up the whitening process.
  • Lasers can lengthen teeth crowns by exposing the healthy tooth structure beneath gum and bone tissue.
  • Bridges, crowns, and veneers are attached to teeth with a dental cement which lasers cure (harden) to aid the bonding process.

Periodontal Treatment

Lasers are used to treat those with periodontal disease (gum disease) primarily by sterilizing the bacteria on teeth which infect gum tissue. Lasers also treat periodontal disease by reshaping the gums.

Oral Tissue Health

  • Lasers can remove a small amount of oral tissue which is used in a biopsy to check for oral health problems.
  • Dental lasers can remove lesions that develop inside the mouth.
  • They can relieve canker and cold sore pain.

Cavity Treatment

Those who hate having their teeth drilled will be happy to learn that lasers are used to remove tooth decay and harden a dental filling. However, they cannot be used if a large filling is required, the decay is between teeth, or there is already a filling present.


  • Lasers disinfect grooves in teeth before the application of a pit and fissure sealant.
  • They can seal tooth root tubes which can cause tooth sensitivity.
  • Make precise incisions in oral surgery.