Preliminary report on the application of pulsed CO2 laser radiation on root canals with AgCl fibers: a scanning and transmission electron microscopic study

Fifteen maxillary central incisors were treated in vitro with pulsed CO2 laser radiation (wavelength:9.6-microns pulse duration:135-microseconds pulse energy:60 mJ energy density:12 J/cm2) delivered by an AgCl fiber into the root canal. Preliminary results show opening of dentin tubules as well as f...

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Bibliographic Details
Published inJournal of endodontics Vol. 19; no. 6; pp. 272 - 276
Main Authors Onal, B, Ertl, T, Siebert, G, Müller, G
Format Journal Article
LanguageEnglish
Published United States 01.06.1993
Subjects
Carbon Dioxide
Dental Cavity Preparation - instrumentation
Dental Pulp Cavity - radiation effects
Dentin - radiation effects
Dentin - ultrastructure
Dentistry
Durapatite - radiation effects
Fiber Optic Technology
Humans
Incisor
Laser Therapy
Microscopy, Electron
Microscopy, Electron, Scanning
Root Canal Therapy - instrumentation
Silver Compounds
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Summary:Fifteen maxillary central incisors were treated in vitro with pulsed CO2 laser radiation (wavelength:9.6-microns pulse duration:135-microseconds pulse energy:60 mJ energy density:12 J/cm2) delivered by an AgCl fiber into the root canal. Preliminary results show opening of dentin tubules as well as fused areas of hydroxyapatite in the root canal after laser treatment. Temperature measurement at the root surface showed that 40 degrees C was not exceeded. These preliminary results show the ability of this laser system to open dentin tubules and to fuse hydroxyapatite but further development in fiber technology is necessary to achieve predictable results.
Bibliography:ObjectType-Article-1
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ISSN:0099-2399
DOI:10.1016/S0099-2399(06)80455-3