In vitro evaluation of adhesion to human dentine of different canal sealers after Er:YAG laser application

Manoel D. Sousa-Neto, Melissa A. Marchesan, Jesus D. Pecora, Aldo Brugnera Junior, Yara T.C. Silva-Sousa, Paulo C. Saquy

Research output: Contribution to journalConference article

1 Citation (Scopus)

Abstract

Adhesion of endodontic sealers to root canal walls is a property material must have to promote a hermetic seal of the root canal. The present study evaluates the effect of Er:YAG laser applied to human dentine in vitro on adhesion of Grossman. Endomethasone, N-Rickert and Sealer 26 root canal sealers. The crowns of 40 human molars were cut on the occlusal side until a flat dentine surface was obtained. The teeth were divided into 2 groups: group 1, saline solution; group 2, irradiation with Er:YAG laser (KaVo Key Laser 2; 11 mm focal distance, perpendicular to the dentine surface, 4 Hz frequency, 200 mJ energy, 62 J total energy and 313 pulses, one minute application time and 2.25 W power). Five repetitions were done for each sealer and each group. An Instron universal testing machine was used for the adhesion test. The results showed a statistically significant difference at 1% for the sealers and the dentine surface treatments. Sealer 26 showed the best adhesion both with laser application and saline. Application of Er:YAG laser did not alter the adhesion of Grossman. N-Rickert or Endomethasone sealers compared to saline; however, laser application increased the adhesion of Sealer 26.

Original languageEnglish (US)
Pages (from-to)106-111
Number of pages6
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume3910
StatePublished - Jan 1 2000
EventLasers in Dentistry VI - San Jose, CA, USA
Duration: Jan 23 2000Jan 24 2000

Fingerprint

Er:YAG
sealers
Laser applications
canals
laser applications
Canals
Adhesion
YAG lasers
adhesion
Laser
evaluation
Evaluation
Lasers
Roots
Hermetic seals
Surface Treatment
hermetic seals
adhesion tests
Energy
Sodium Chloride

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

In vitro evaluation of adhesion to human dentine of different canal sealers after Er:YAG laser application. / Sousa-Neto, Manoel D.; Marchesan, Melissa A.; Pecora, Jesus D.; Junior, Aldo Brugnera; Silva-Sousa, Yara T.C.; Saquy, Paulo C.

In: Proceedings of SPIE - The International Society for Optical Engineering, Vol. 3910, 01.01.2000, p. 106-111.

Research output: Contribution to journalConference article

Sousa-Neto, Manoel D. ; Marchesan, Melissa A. ; Pecora, Jesus D. ; Junior, Aldo Brugnera ; Silva-Sousa, Yara T.C. ; Saquy, Paulo C. / In vitro evaluation of adhesion to human dentine of different canal sealers after Er:YAG laser application. In: Proceedings of SPIE - The International Society for Optical Engineering. 2000 ; Vol. 3910. pp. 106-111.
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