Pulsed Nd

YAG laser selective ablation of surface enamel caries: II. Histology and clinical trials

David M. Harris, Harold Goodis, Joel White, Charles Arcoria, James Simon, John Burkart, Michael Yessik, Terry Myers

Research output: Contribution to journalConference article

3 Citations (Scopus)

Abstract

High intensity infrared light from the pulsed Nd:YAG dental laser is absorbed by pigmented carious enamel and not absorbed by normal enamel. Therefore, this system is capable of selective removal of surface enamel caries. Safety and efficacy of the clinical procedure was evaluated in two sets of clinical trials at three dental schools. Carious lesions were randomized to drill or laser treatment. Pulp vitality, surface condition, preparations and restorations were evaluated by blinded evaluators. In Study 1 surface caries were removed from 104 third molars scheduled for extraction. One week post-treatment teeth were extracted and the pulp was examined histologically. In Study 2 90 patients with 422 lesions on 376 teeth were randomized to laser or drill and followed for six months. There were no adverse events and both clinical and histological evaluations of pulp vitality showed no abnormalities. Caries were removed in all conditions. A significantly greater number of preparations in the drill groups vs. laser groups entered dentin (drill = 11, laser = 1, p<0.001). This indicates that the more conservative laser treatment removed the caries but not the sound enamel below the lesion.

Original languageEnglish (US)
Pages (from-to)184-192
Number of pages9
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume3910
StatePublished - Jan 1 2000
Externally publishedYes
EventLasers in Dentistry VI - San Jose, CA, USA
Duration: Jan 23 2000Jan 24 2000

Fingerprint

Histology
enamels
histology
Nd:YAG Laser
Enamels
Ablation
Clinical Trials
ablation
YAG lasers
pulsed lasers
Laser
Lasers
lesions
Pulp
lasers
teeth
Preparation
preparation
Restoration
abnormalities

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

Cite this

Pulsed Nd : YAG laser selective ablation of surface enamel caries: II. Histology and clinical trials. / Harris, David M.; Goodis, Harold; White, Joel; Arcoria, Charles; Simon, James; Burkart, John; Yessik, Michael; Myers, Terry.

In: Proceedings of SPIE - The International Society for Optical Engineering, Vol. 3910, 01.01.2000, p. 184-192.

Research output: Contribution to journalConference article

Harris, David M. ; Goodis, Harold ; White, Joel ; Arcoria, Charles ; Simon, James ; Burkart, John ; Yessik, Michael ; Myers, Terry. / Pulsed Nd : YAG laser selective ablation of surface enamel caries: II. Histology and clinical trials. In: Proceedings of SPIE - The International Society for Optical Engineering. 2000 ; Vol. 3910. pp. 184-192.
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