Restorative Dentistry and Endodontics

The Korean Academy of Conservative Dentistry (대한치과보존학회)
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In vitro evaluation of a newly produced resin-based endodontic sealer

  • Song, Yoo-Seok (Department of Conservative Dentistry, School of Dentistry and Institute of Oral Bioscience, Chonbuk National University) ;
  • Choi, Yoorina (Department of Conservative Dentistry, Wonkwang University Dental Hospital) ;
  • Lim, Myung-Jin (Department of Conservative Dentistry, School of Dentistry and Institute of Oral Bioscience, Chonbuk National University) ;
  • Yu, Mi-Kyung (Department of Conservative Dentistry, School of Dentistry and Institute of Oral Bioscience, Chonbuk National University) ;
  • Hong, Chan-Ui (Department of Conservative Dentistry, School of Dentistry, Dankook University) ;
  • Lee, Kwang-Won (Department of Conservative Dentistry, School of Dentistry and Institute of Oral Bioscience, Chonbuk National University) ;
  • Min, Kyung-San (Department of Conservative Dentistry, School of Dentistry and Institute of Oral Bioscience, Chonbuk National University)
  • Received : 2016.02.24
  • Accepted : 2016.05.27
  • Published : 2016.08.31
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Abstract

Objectives: A variety of root canal sealers were recently launched to the market. This study evaluated physicochemical properties, biocompatibility, and sealing ability of a newly launched resin-based sealer (Dia-Proseal, Diadent) compared to the existing root canal sealers (AHplus, Dentsply DeTrey and ADseal, Metabiomed). Materials and Methods: The physicochemical properties of the tested sealers including pH, solubility, dimensional change, and radiopacity were evaluated. Biocompatibility was measured using the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay. For microleakage test, single-rooted teeth were instrumented, and obturated with gutta-percha and one of the sealers (n = 10). After immersion in 1% methylene blue solution for 2 weeks, the specimens were split longitudinally. Then, the maximum length of staining was measured. Statistical analysis was performed by one-way analysis of variance followed by Tukey test (p = 0.05). Results: Dia-Proseal showed the highest pH value among the tested sealers (p < 0.05). ADseal showed higher dimensional change compared to AHplus and Dia-Proseal (p < 0.05). The solubility values of AHplus and Dia-Proseal were similar, whereas ADseal had the lowest solubility value (p < 0.05). The flow values of sealer in increasing order were AHplus, DiaProseal, and ADseal (p < 0.05). The radiopacity of AHplus was higher than those of ADseal and Dia-Proseal (p < 0.05). The cell viability of the tested materials was statistically similar throughout the experimental period. There were no significant differences in microleakage values among the tested samples. Conclusions: The present study indicates that Dia-Proseal has acceptable physicochemical properties, biocompatibility, and sealing ability.

Keywords

References

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