Elimination of intracanal tissue and debris through a novel laser-activated system assessed using high-resolution micro-computed tomography

A pilot study

Adam Lloyd, Jonathan P. Uhles, David J. Clement, Franklin Garcia-Godoy

Research output: Contribution to journalArticle

35 Citations (Scopus)

Abstract

Introduction Laser-activated irrigation to remove organic debris from canal isthmuses was investigated using x-ray microfocus computed tomographic imaging. Methods A total of 14 extracted human mandibular molars were used. The mesial canals were prepared using a standardized instrumentation protocol. Two groups (n = 7) underwent final irrigation using either standard needle irrigation (SNI) or photon-induced photoacoustic streaming (PIPS). After enlarging canals to 30/.06, canal volumes were reconstructed from micro-computed tomographic scans before and after irrigation to assess removal of organic tissue and inorganic debris by quantitative analysis of the superimposed volumes. Comparisons of the volumes were made using 2-way analysis of variance and Tukey method, with statistical differences considered significant at the alpha = 0.05 level. Results Debris removal and an increase in root canal system volume for the laser-activated PIPS group was more significant (P <.001) than for the SNI group (P =.04). Irrigation using PIPS increased the canal volume and eliminated debris from the canal system 2.6 times greater than SNI. Conclusions Eliminating debris from complex canal spaces found in mandibular molars was achieved at a significantly greater level using laser-activated PIPS irrigation compared with SNI.

Original languageEnglish (US)
Pages (from-to)584-587
Number of pages4
JournalJournal of endodontics
Volume40
Issue number4
DOIs
StatePublished - Jan 1 2014

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Photons
Needles
Lasers
Tomography
Dental Pulp Cavity
Analysis of Variance
X-Rays

All Science Journal Classification (ASJC) codes

  • Dentistry(all)

Cite this

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title = "Elimination of intracanal tissue and debris through a novel laser-activated system assessed using high-resolution micro-computed tomography: A pilot study",
abstract = "Introduction Laser-activated irrigation to remove organic debris from canal isthmuses was investigated using x-ray microfocus computed tomographic imaging. Methods A total of 14 extracted human mandibular molars were used. The mesial canals were prepared using a standardized instrumentation protocol. Two groups (n = 7) underwent final irrigation using either standard needle irrigation (SNI) or photon-induced photoacoustic streaming (PIPS). After enlarging canals to 30/.06, canal volumes were reconstructed from micro-computed tomographic scans before and after irrigation to assess removal of organic tissue and inorganic debris by quantitative analysis of the superimposed volumes. Comparisons of the volumes were made using 2-way analysis of variance and Tukey method, with statistical differences considered significant at the alpha = 0.05 level. Results Debris removal and an increase in root canal system volume for the laser-activated PIPS group was more significant (P <.001) than for the SNI group (P =.04). Irrigation using PIPS increased the canal volume and eliminated debris from the canal system 2.6 times greater than SNI. Conclusions Eliminating debris from complex canal spaces found in mandibular molars was achieved at a significantly greater level using laser-activated PIPS irrigation compared with SNI.",
author = "Adam Lloyd and Uhles, {Jonathan P.} and Clement, {David J.} and Franklin Garcia-Godoy",
year = "2014",
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doi = "10.1016/j.joen.2013.10.040",
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AU - Clement, David J.

AU - Garcia-Godoy, Franklin

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N2 - Introduction Laser-activated irrigation to remove organic debris from canal isthmuses was investigated using x-ray microfocus computed tomographic imaging. Methods A total of 14 extracted human mandibular molars were used. The mesial canals were prepared using a standardized instrumentation protocol. Two groups (n = 7) underwent final irrigation using either standard needle irrigation (SNI) or photon-induced photoacoustic streaming (PIPS). After enlarging canals to 30/.06, canal volumes were reconstructed from micro-computed tomographic scans before and after irrigation to assess removal of organic tissue and inorganic debris by quantitative analysis of the superimposed volumes. Comparisons of the volumes were made using 2-way analysis of variance and Tukey method, with statistical differences considered significant at the alpha = 0.05 level. Results Debris removal and an increase in root canal system volume for the laser-activated PIPS group was more significant (P <.001) than for the SNI group (P =.04). Irrigation using PIPS increased the canal volume and eliminated debris from the canal system 2.6 times greater than SNI. Conclusions Eliminating debris from complex canal spaces found in mandibular molars was achieved at a significantly greater level using laser-activated PIPS irrigation compared with SNI.

AB - Introduction Laser-activated irrigation to remove organic debris from canal isthmuses was investigated using x-ray microfocus computed tomographic imaging. Methods A total of 14 extracted human mandibular molars were used. The mesial canals were prepared using a standardized instrumentation protocol. Two groups (n = 7) underwent final irrigation using either standard needle irrigation (SNI) or photon-induced photoacoustic streaming (PIPS). After enlarging canals to 30/.06, canal volumes were reconstructed from micro-computed tomographic scans before and after irrigation to assess removal of organic tissue and inorganic debris by quantitative analysis of the superimposed volumes. Comparisons of the volumes were made using 2-way analysis of variance and Tukey method, with statistical differences considered significant at the alpha = 0.05 level. Results Debris removal and an increase in root canal system volume for the laser-activated PIPS group was more significant (P <.001) than for the SNI group (P =.04). Irrigation using PIPS increased the canal volume and eliminated debris from the canal system 2.6 times greater than SNI. Conclusions Eliminating debris from complex canal spaces found in mandibular molars was achieved at a significantly greater level using laser-activated PIPS irrigation compared with SNI.

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