Minimally invasive management of vital teeth requiring root canal therapy

E. Karatas, M. Hadis, W. M. Palin, M. R. Milward, S. A. Kuehne, J. Camilleri*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

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Abstract

The present study aimed to investigate the possible use of a non-instrumentation technique including blue light irradiation for root canal cleaning. Extracted human single rooted teeth were selected. Nine different groups included distilled water, NaOCl, intra-canal heated NaOCl, and NaOCl + EDTA irrigation after either instrumentation or non-instrumentation, and a laser application group following non-instrumentation technique. The chemical assessment of the root canal dentine was evaluated using energy dispersive spectroscopy (EDS) and Fourier transform infrared (FT-IR) spectroscopy. Surface microstructural analyses were performed by using scanning electron microscopy (SEM). The antimicrobial efficacy of different preparation techniques was evaluated using microbial tests. Light application didn’t change the calcium/phosphorus, carbonate/phosphate and amide I/phosphate ratios of the root canal dentin. The root canal dentin preserved its original chemistry and microstructure after light application. The instrumentation decreased the carbonate/phosphate and amide I/phosphate ratios of the root canal dentin regardless of the irrigation solution or technique (p < 0.05). The application of light could not provide antibacterial efficacy to match the NaOCl irrigation. The NaOCl irrigation both in the non-instrumentation and instrumentation groups significantly reduced the number of bacteria (p < 0.05). The use of minimally invasive root canal preparation techniques where the root canal is not instrumented and is disinfected by light followed by obturation with a hydraulic cement sealer reduced the microbial load and preserved the dentin thus may be an attractive treatment option for management of vital teeth needing root canal therapy.
Original languageEnglish
Article number20389
Number of pages18
JournalScientific Reports
Volume13
Issue number1
DOIs
Publication statusPublished - 21 Nov 2023

Keywords

  • Bacteria
  • Biomaterials
  • Biomedical materials
  • Dental materials
  • Dentistry
  • Endodontics
  • Materials science
  • Microbiology

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