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Original Article Influence of Sodium Ascorbate on Microtensile Bond Strengths to Pulp Chamber Dentin treated with NaOCl
Soo-Yeon Jeon, Kwang-Won Lee, Mi-Kyung Yu
2008;33(6):-552.
DOI: https://doi.org/10.5395/JKACD.2008.33.6.545
Published online: November 30, 2008

Department of Conservative Dentistry, School of Dentistry, Chonbuk National University, Korea.

Corresponding Author: Mi-Kyung Yu. Department of Conservative Dentistry, School of Dentistry, Chonbuk National University, Geumam-Dong, Deokjin-Gu, Jeonju, Jeonbuk, 561-712, Korea. Tel: 82-63-250-2045, Fax: 82-63-250-2129, mkyou102@hanmail.net
• Received: August 13, 2008   • Revised: September 9, 2008   • Accepted: October 14, 2008

Copyright © 2008 The Korean Academy of Conservative Dentistry

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  • The purpose of this study was to evaluate the influence of sodium ascorbate on microtensile bond strengths of total-etching adhesive system to pulp chamber dentin treated with NaOCl.
    Pulp chambers of extracted human non-caries permanent molars were treated as follows: group 1, with 0.9% NaCl; group 2, with 5.25% NaOCl; group 3, with 5.25% NaOCl and 10% sodium ascorbate for 1min; group 4, with 5.25% NaOCl and 10% sodium ascorbate for 1 min and 10ml of water; group 5, with 5.25% NaOCl and 10% sodium ascorbate for 5 min; group 6, with 5.25% NaOCl and 10% sodium ascorbate for 5 min and 10ml of water; group 7, with 5.25% NaOCl and 10% sodium ascorbate for 10 min; group 8, with 5.25% NaOCl and 10% sodium ascorbate for 10 min and 10ml of water. Treated specimens were dried, bonded with a total-etching adhesive system (Single bond), restored with a composite resin(Z250) and kept for 24h at 100% humidity to measure the microtensile bond strength.
    NaOCl-treated group (group 2) demonstrated significantly lower strength than the other groups. No significant difference in microtensile bond strengths was found between NaCl-treated group (group 1) and sodium ascorbate-treated groups (group 3-8). The results of this study indicated that dentin treated with NaOCl reduced the microtensile bond strength of Single bond. Application of 10% sodium ascorbate restored the bond strength of Single bond on NaOCl-treated dentin. Application time of sodium ascorbate did not have a significant effect.
  • Keywords: Microtensile bond strengths; NaOCl; Pulp chamber dentin; Sodium ascorbate; Total etching adhesive system
Figure 1
Schematic of specimen preparation.
jkacd-33-545-g001.jpg
Figure 2
Upper view of Micro Tensile Tester.
jkacd-33-545-g002.jpg
Figure 3
Diagram of microtensile bond strengths between eight experimental groups
jkacd-33-545-g003.jpg
Figure 4
0.9% NaCl (1K).
jkacd-33-545-g004.jpg
Figure 5
0.9% NaCl (5K).
jkacd-33-545-g005.jpg
Figure 6
5.25% NaOCl (1K)
jkacd-33-545-g006.jpg
Figure 7
5.25% NaOCl (5K)
jkacd-33-545-g007.jpg
Figure 8
NaOCl+sodium ascorbate(1K)
jkacd-33-545-g008.jpg
Figure 9
NaOCl+sodium ascorbate (5K)
jkacd-33-545-g009.jpg
Figure 10
NaOCl + sodium ascorbate + water (1K)
jkacd-33-545-g010.jpg
Figure 11
NaOCl + sodium ascorbate + water (5K)
jkacd-33-545-g011.jpg
Table 1
Experimental groups and treatments
jkacd-33-545-i001.jpg
Table 2
Means and standard deviations of the microtensile bond strength of experimental groups to dentin of pulp chamber wall
jkacd-33-545-i002.jpg
  • 1. Gutmann JL. The dentine-root complex : anatomic and biologic considerations in restoring endodontically treated teeth. J Prosthet Dent. 1992;67: 458-467.PubMed
  • 2. Wagnild GW, Mueller KI. In: Cohen S, Burns RC, editors. Restoration of endodontically treated tooth. Pathways of the pulp. 1994;ed 7. St. Louis: Mosby; 691-717.
  • 3. Ray HA, Trope M. Periapical status of endodontically treated teeth in relation to the technical qualty of the root filling and the coronal restoration. Int Endod J. 1995;28: 12-18.PubMed
  • 4. Ausiello P, De Gee AJ, Rengo S, Davidson CL. Fracture resistance of endodontically-treated premolars adhesively restored. Am J Dent. 1997;10: 237-241.PubMed
  • 5. Hernandez R, Bader S, Boston D, Trope M. Resistance to fracture of endodontically treated premolars restored with new generation dentine bonding systems. Int Endod J. 1994;27: 281-284.ArticlePubMed
  • 6. Belli S, Zhang Y, Pereira PN, Pashley DH. Adhesive sealing of the pulp chamber. J Endod. 2001;27: 521-526.ArticlePubMed
  • 7. Lim YA, Yoo YD, Lee YK, Lee SJ, Im MK. The Effect of Smear Layer Removal and Position of Dentin on Shear Bond Properties of Dentin Bonding Systems to Internal Cervical Dentin. J Korean Acad Conserv Dent. 1999;24: 465-472.
  • 8. Cho JY, Jin MU, Kim YK, Kim SK. The Influence of AH-26 and Zinc Oxide-Eugenol Root Canal Sealer on the Shear Bond Strength of Composite Resin to Dentin. J Korean Acad Conserv Dent. 2006;31: 147-152.
  • 9. Nikaido T, Takano Y, Sasafuchi Y, Burrow MF, Tagami J. Bond strength to endodontically-treated teeth. Am J Dent. 1999;12: 177-180.PubMed
  • 10. Lai SC, Mak YF, Cheung GS, Osorio R, Toledano M, Carvalho RM, Tay FR, Pashley DH. Reversal of compromised bonding to oxidized etched dentin. J Dent Res. 2001;80(10):1919-1924.ArticlePubMedPDF
  • 11. Morris MD, Lee KW, Agee KA, Bouillaguet S, Pashley DH. Effects of sodium hypochlorite and RC-Prep on bond strengths of resin cement to endodontic surfaces. J Endod. 2001;27(12):753-757.ArticlePubMed
  • 12. Vongphan N, Senawongse1 P, Somsiri W, Harnirattisai C. Effects of sodium ascorbate on microtensile bond strength of total-etching adhesive system to NaOCl treated dentine. J Dent. 2005;33(8):689-695.ArticlePubMed
  • 13. Rueggeberg FA, Margeson DH. The effect of oxygen inhibition on an unfilled/filled composite system. J Dent Res. 1990;69: 1652-1658.PubMed
  • 14. Weston CH, Ito S, Wadgaonkar B, Pashley DH. Effects of time and concentration of sodium ascorbate on reversal of NaOCl-induced reduction in bond strengths. J Endod. 2007;33(7):879-881.ArticlePubMed
  • 15. Gutteridge JM. Biological origin of free radicals, and mechanisms of antioxidant protection. Chem Biol Interact. 1994;91: 133-140.ArticlePubMed
  • 16. VanDuijn MM, Tijssen K, VanSteveninck J, Van Den Broek PJ, Van Der Zee J. Erythrocytes reduce extracellular ascorbate free radicals using intracellular ascorbate as an electron donor. J Biol Chem. 2000;275: 27720-27725.ArticlePubMed
  • 17. Torneck CD, Titley KC, Smith DC, Adibfar A. Adhesion of light-cured composite resin to bleached and unbleached bovine dentin. Endod Dent Traumatol. 1990;6: 97-103.ArticlePubMed
  • 18. Inai N, Kanemura N, Tagami J, Watanabe LG, Marshall SJ, Marshall GW. Adhesion between collagen depleted dentin and dentin adhesives. Am J Dent. 1998;11: 123-127.PubMed
  • 19. Pioch T, Kobaslija S, Schagen B, Gotz H. Interfacial micromorphology and tensile bond strength of dentin bonding systems after NaOCl treatment. J Adhes Dent. 1999;1: 135-142.PubMed
  • 20. Frankenberger R, Kramer N, Oberschachtsiek H, Petschelt A. Dentin bond strength and marginal adaption after NaOCl pre-treatment. Oper Dent. 2000;25: 40-45.PubMed
  • 21. Prati C, Chersoni S, Pashly DH. Effect of removal of surface collagen fibrils on resin-dentin bonding. Dent Mater. 1999;15: 323-331.ArticlePubMed
  • 22. Rose RC, Bode AM. Biology of free radical scavengers : an evaluation of ascorbate. FASEB J. 1993;7: 1135-1142.ArticlePubMedPDF

Tables & Figures

Figure 1
Schematic of specimen preparation.
jkacd-33-545-g001.jpg
Figure 2
Upper view of Micro Tensile Tester.
jkacd-33-545-g002.jpg
Figure 3
Diagram of microtensile bond strengths between eight experimental groups
jkacd-33-545-g003.jpg
Figure 4
0.9% NaCl (1K).
jkacd-33-545-g004.jpg
Figure 5
0.9% NaCl (5K).
jkacd-33-545-g005.jpg
Figure 6
5.25% NaOCl (1K)
jkacd-33-545-g006.jpg
Figure 7
5.25% NaOCl (5K)
jkacd-33-545-g007.jpg
Figure 8
NaOCl+sodium ascorbate(1K)
jkacd-33-545-g008.jpg
Figure 9
NaOCl+sodium ascorbate (5K)
jkacd-33-545-g009.jpg
Figure 10
NaOCl + sodium ascorbate + water (1K)
jkacd-33-545-g010.jpg
Figure 11
NaOCl + sodium ascorbate + water (5K)
jkacd-33-545-g011.jpg
Table 1
Experimental groups and treatments
jkacd-33-545-i001.jpg
Table 2
Means and standard deviations of the microtensile bond strength of experimental groups to dentin of pulp chamber wall
jkacd-33-545-i002.jpg

REFERENCES

  • 1. Gutmann JL. The dentine-root complex : anatomic and biologic considerations in restoring endodontically treated teeth. J Prosthet Dent. 1992;67: 458-467.PubMed
  • 2. Wagnild GW, Mueller KI. In: Cohen S, Burns RC, editors. Restoration of endodontically treated tooth. Pathways of the pulp. 1994;ed 7. St. Louis: Mosby; 691-717.
  • 3. Ray HA, Trope M. Periapical status of endodontically treated teeth in relation to the technical qualty of the root filling and the coronal restoration. Int Endod J. 1995;28: 12-18.PubMed
  • 4. Ausiello P, De Gee AJ, Rengo S, Davidson CL. Fracture resistance of endodontically-treated premolars adhesively restored. Am J Dent. 1997;10: 237-241.PubMed
  • 5. Hernandez R, Bader S, Boston D, Trope M. Resistance to fracture of endodontically treated premolars restored with new generation dentine bonding systems. Int Endod J. 1994;27: 281-284.ArticlePubMed
  • 6. Belli S, Zhang Y, Pereira PN, Pashley DH. Adhesive sealing of the pulp chamber. J Endod. 2001;27: 521-526.ArticlePubMed
  • 7. Lim YA, Yoo YD, Lee YK, Lee SJ, Im MK. The Effect of Smear Layer Removal and Position of Dentin on Shear Bond Properties of Dentin Bonding Systems to Internal Cervical Dentin. J Korean Acad Conserv Dent. 1999;24: 465-472.
  • 8. Cho JY, Jin MU, Kim YK, Kim SK. The Influence of AH-26 and Zinc Oxide-Eugenol Root Canal Sealer on the Shear Bond Strength of Composite Resin to Dentin. J Korean Acad Conserv Dent. 2006;31: 147-152.
  • 9. Nikaido T, Takano Y, Sasafuchi Y, Burrow MF, Tagami J. Bond strength to endodontically-treated teeth. Am J Dent. 1999;12: 177-180.PubMed
  • 10. Lai SC, Mak YF, Cheung GS, Osorio R, Toledano M, Carvalho RM, Tay FR, Pashley DH. Reversal of compromised bonding to oxidized etched dentin. J Dent Res. 2001;80(10):1919-1924.ArticlePubMedPDF
  • 11. Morris MD, Lee KW, Agee KA, Bouillaguet S, Pashley DH. Effects of sodium hypochlorite and RC-Prep on bond strengths of resin cement to endodontic surfaces. J Endod. 2001;27(12):753-757.ArticlePubMed
  • 12. Vongphan N, Senawongse1 P, Somsiri W, Harnirattisai C. Effects of sodium ascorbate on microtensile bond strength of total-etching adhesive system to NaOCl treated dentine. J Dent. 2005;33(8):689-695.ArticlePubMed
  • 13. Rueggeberg FA, Margeson DH. The effect of oxygen inhibition on an unfilled/filled composite system. J Dent Res. 1990;69: 1652-1658.PubMed
  • 14. Weston CH, Ito S, Wadgaonkar B, Pashley DH. Effects of time and concentration of sodium ascorbate on reversal of NaOCl-induced reduction in bond strengths. J Endod. 2007;33(7):879-881.ArticlePubMed
  • 15. Gutteridge JM. Biological origin of free radicals, and mechanisms of antioxidant protection. Chem Biol Interact. 1994;91: 133-140.ArticlePubMed
  • 16. VanDuijn MM, Tijssen K, VanSteveninck J, Van Den Broek PJ, Van Der Zee J. Erythrocytes reduce extracellular ascorbate free radicals using intracellular ascorbate as an electron donor. J Biol Chem. 2000;275: 27720-27725.ArticlePubMed
  • 17. Torneck CD, Titley KC, Smith DC, Adibfar A. Adhesion of light-cured composite resin to bleached and unbleached bovine dentin. Endod Dent Traumatol. 1990;6: 97-103.ArticlePubMed
  • 18. Inai N, Kanemura N, Tagami J, Watanabe LG, Marshall SJ, Marshall GW. Adhesion between collagen depleted dentin and dentin adhesives. Am J Dent. 1998;11: 123-127.PubMed
  • 19. Pioch T, Kobaslija S, Schagen B, Gotz H. Interfacial micromorphology and tensile bond strength of dentin bonding systems after NaOCl treatment. J Adhes Dent. 1999;1: 135-142.PubMed
  • 20. Frankenberger R, Kramer N, Oberschachtsiek H, Petschelt A. Dentin bond strength and marginal adaption after NaOCl pre-treatment. Oper Dent. 2000;25: 40-45.PubMed
  • 21. Prati C, Chersoni S, Pashly DH. Effect of removal of surface collagen fibrils on resin-dentin bonding. Dent Mater. 1999;15: 323-331.ArticlePubMed
  • 22. Rose RC, Bode AM. Biology of free radical scavengers : an evaluation of ascorbate. FASEB J. 1993;7: 1135-1142.ArticlePubMedPDF

Citations

Citations to this article as recorded by  
  • Influence of Sodium Hypochorite & EDTA on the Microtensile Bond Strength of Ethanol Wet Bonding
    Deok-Joong Kim, Yong-Beom Song, Sang-Hee Park, Hyoung-Sun Kim, Hye-Yoon Lee, Mi-Kyung Yu, Kwang-Won Lee
    Journal of Dental Rehabilitation and Applied Science.2013; 29(1): 37.     CrossRef
  • Changes in µ-TBS to pulp chamber dentin after the application of NaOCl & reversal effect by using sodium ascorbate
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    Journal of Korean Academy of Conservative Dentistry.2009; 34(6): 515.     CrossRef
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    Influence of Sodium Ascorbate on Microtensile Bond Strengths to Pulp Chamber Dentin treated with NaOCl
    J Korean Acad Conserv Dent. 2008;33(6):545-552.   Published online November 30, 2008
    DOI: https://doi.org/10.5395/JKACD.2008.33.6.545
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Influence of Sodium Ascorbate on Microtensile Bond Strengths to Pulp Chamber Dentin treated with NaOCl
Image Image Image Image Image Image Image Image Image Image Image
Figure 1 Schematic of specimen preparation.
Figure 2 Upper view of Micro Tensile Tester.
Figure 3 Diagram of microtensile bond strengths between eight experimental groups
Figure 4 0.9% NaCl (1K).
Figure 5 0.9% NaCl (5K).
Figure 6 5.25% NaOCl (1K)
Figure 7 5.25% NaOCl (5K)
Figure 8 NaOCl+sodium ascorbate(1K)
Figure 9 NaOCl+sodium ascorbate (5K)
Figure 10 NaOCl + sodium ascorbate + water (1K)
Figure 11 NaOCl + sodium ascorbate + water (5K)

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Figure 6

Figure 7

Figure 8

Figure 9

Figure 10

Figure 11

Influence of Sodium Ascorbate on Microtensile Bond Strengths to Pulp Chamber Dentin treated with NaOCl

Experimental groups and treatments

Means and standard deviations of the microtensile bond strength of experimental groups to dentin of pulp chamber wall
Table 1 Experimental groups and treatments

Table 2 Means and standard deviations of the microtensile bond strength of experimental groups to dentin of pulp chamber wall

Table 1

Table 2

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