SpringerLink
Log in

Evaluation of fracture strength of different restoration techniques applied to C-shaped 3D model teeth

  • Original Article
  • Published:
Odontology Aims and scope Submit manuscript

Abstract

The aim of this study is to investigate the effect of different restoration methods applied to model teeth with a C-shaped root canal configuration on fracture strength. A total of 76 artificial tooth models were made using images of a molar tooth with a C-shaped root canal anatomy. The teeth were randomly divided into seven groups and different restorations, such as resin composite (2), bundled fiber post and resin composite (3), vertical fiber post and resin composite (4), horizontal fiber post and resin composite (5), woven fiber post and resin composite (6) and composite endocrown (7) were applied to the different groups except control group (1). The artificial teeth were embedded in acrylic blocks and subjected to fracture tests. The data were analyzed using one-way analysis of variance, Monte Carlo Pearson Chi-square, Pearson Chi-square, and Fisher’s exact test (P < 0.05). All groups differed in terms of fracture strength (P = 0.001). The highest fracture strength observed in group 6, and there was a significant difference between group 6 and group 4 based on a least significant difference pairwise comparison test. In terms of fracture type, the highest reparability percentage (100%) observed in group 7. The fracture strength values of endocrown restorations and woven fiber-reinforced resin composite restorations were found to be as high as those of the intact models. Considering also fracture restorability, endocrown restorations may be recommended for teeth with C-shaped root canal anatomy. The usage of the 3D tooth models in the studies offer a valuable opportunity in terms of the standardization of the samples, particularly in teeth with anatomical variations. This study shows that using of this technology, homogeneous groups can be created and experimental studies can be improved.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Log in via an institution

Subscribe and save

Springer+ Basic
EUR 32.99 /Month
  • Get 10 units per month
  • Download Article/Chapter or Ebook
  • 1 Unit = 1 Article or 1 Chapter
  • Cancel anytime
Subscribe now

Buy Now

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Institutional subscriptions

Fig. 1
Fig. 2
Fig. 3

Similar content being viewed by others

References

  1. Jafarzadeh H, Wu YN. The C-shaped root canal configuration: a review. J Endod. 2007;33:517–23.

    Article  Google Scholar 

  2. Kato A, Ziegler A, Higuchi N, Nakata K, Nakamura H, Ohno N. Aetiology, incidence and morphology of the C-shaped root canal system and its impact on clinical endodontics. Int Endod J. 2014;47:1012–33.

    Article  Google Scholar 

  3. Fan B, Cheung GSP, Fan M, Gutmann JL, Bian Z. C-shaped Canal System in Mandibular Second Molars: part I; Anatomical Features. J Endod. 2004;30:899–903.

    Article  Google Scholar 

  4. Karzoun W, Abdulkarim A, Samran A, Kern M. Fracture strength of endodontically treated maxillary premolars supported by a horizontal glass fiber post: an in vitro study. J Endod. 2015;41:907–12.

    Article  Google Scholar 

  5. Kemaloğlu H, Kaval M, Türkün M, Micooğulları K. Effect of novel restoration techniques on the fracture resistance of teeth treated endodontically: an in vitro study. Dent Mater J. 2015;34:618–22.

    Article  Google Scholar 

  6. Eapen AM, Amirtharaj LV, Sanjeev K, Mahalaxmi S. Fracture Resistance of Endodontically Treated Teeth Restored with 2 Different Fiber-reinforced Composite and 2 Conventional Composite Resin Core Buildup Materials: an in vitro study. J Endod. 2017;43:1499–504.

    Article  Google Scholar 

  7. Bromberg CR, Alves CB, Stona D. Fracture resistance of endodontically treated molars restored with horizontal fiberglass posts or indirect techniques. J Am Dent Assoc. 2016;147:952–8.

    Article  Google Scholar 

  8. Baranwal H, Baranwal AK, Srivastava A. Management of fractured maxillary incisor with biodentine, everstick glass fiber as post and composite resin. Endodontology. 2015;27:57.

    Google Scholar 

  9. Jerome CE. C-shaped root canal systems: diagnosis, treatment, and restoration. Gen Dent. 1994;42:424–7.

    PubMed  Google Scholar 

  10. Ordinola-Zapata R, Bramante CM, Duarte MA, Cavenago BC, Jaramillo D, Versiani MA. Sha** ability of reciproc and TF adaptive systems in severely curved canals of rapid microCT-based prototy** molar replicas. J Appl Oral Sci. 2014;22:509–15.

    Article  Google Scholar 

  11. Torabi K, Farjood E, Hamedani S. Rapid prototy** technologies and their applications in prosthodontics. J Dent Shiraz Univ Med Sci. 2015;16:1–9.

    Google Scholar 

  12. Webb PA. A review of rapid prototy** (RP) techniques in the medical and biomedical sector. J Med Eng Technol. 2000;24:149–53.

    Article  Google Scholar 

  13. Gök T, Çapar ID, Akçay I, Keleş A. Evaluation of Different Techniques for Filling Simulated C-shaped Canals of 3-dimensional Printed Resin Teeth. J Endod. 2017;43:1559–64.

    Article  Google Scholar 

  14. Bijelic J, Garoushi S, Vallittu PK, Lassila LV. Fracture load of tooth restored with fiber post and experimental short fiber composite. Open Dent J. 2011;5:58–65.

    Article  Google Scholar 

  15. Fonseca RB, Fernandes-Neto AJ, Correr-Sobrinho L, Soares CJ. The influence of cavity preparation design on fracture strength and mode of fracture of laboratory-processed composite resin restorations. J Prosthet Dent. 2007;98:277–84.

    Article  Google Scholar 

  16. Hayes A, Duvall N, Wajdowicz M, Roberts H. Effect of Endocrown Pulp Chamber Extension Depth on Molar Fracture Resistance. Oper Dent. 2017;42:327–34.

    Article  Google Scholar 

  17. Yin X, Cheung GS, Zhang C, Masuda YM, Kimura Y, Matsumoto K. Micro-computed tomographic comparison of nickel-titanium rotary versus traditional instruments in C-shaped root canal system. J Endod. 2010;36:708–12.

    Article  Google Scholar 

  18. Fokkinga WA, Kreulen CM, Vallittu PK, Creugers NH. A structured analysis of in vitro failure loads and failure modes of fiber, metal, and ceramic post-and-core systems. Int J Prosthodont. 2004;17:476–82.

    PubMed  Google Scholar 

  19. Heydecke G, Butz F, Strub JR. Fracture strength and survival rate of endodontically treated maxillary incisors with approximal cavities after restoration with different post and core systems: an in-vitro study. J Dent. 2001;29:427–33.

    Article  Google Scholar 

  20. Lertchirakarn V, Palamara JE, Messer HH. Patterns of vertical root fracture: factors affecting stress distribution in the root canal. J Endod. 2003;29:523–8.

    Article  Google Scholar 

  21. Gresnigt MM, Ozcan M, van den Houten ML, Schipper L, Cune MS. Fracture strength, failure type and Weibull characteristics of lithium disilicate and multiphase resin composite endocrowns under axial and lateral forces. Dent Mater. 2016;32:607–14.

    Article  Google Scholar 

  22. Hamdy A. Effect of full coverage, endocrowns, onlays, inlays restorations on fracture resistance of endodontically treated molars. J Dent Oral Hyg. 2015;5:2.

    Article  Google Scholar 

  23. Plotino G, Grande NM, Isufi A. Fracture Strength of Endodontically Treated Teeth with Different Access Cavity Designs. J Endod. 2017;43:995–1000.

    Article  Google Scholar 

  24. Schwartz RS, Robbins JW. Post placement and restoration of endodontically treated teeth: a literature review. J Endod. 2004;30:289–301.

    Article  Google Scholar 

  25. Dietschi D, Duc O, Krejci I, Sadan A. Biomechanical considerations for the restoration of endodontically treated teeth: a systematic review of the literature, Part II (Evaluation of fatigue behavior, interfaces, and in vivo studies). Quintessence Int. 2008;39:117–29.

    PubMed  Google Scholar 

  26. Latempa AM, Almeida SA, Nunes NF, da Silva EM, Guimarães JG, Poskus LT. Techniques for restoring enlarged canals: an evaluation of fracture resistance and bond strength. Int Endod J. 2015;48:28–36.

    Article  Google Scholar 

  27. Caputo AA, Standlee JP. Pins and posts-why, when and how. Dent Clin North Am. 1976;20:299–311.

    PubMed  Google Scholar 

  28. Chai WL, Thong YL. Cross-sectional morphology and minimum canal wall widths in C-shaped roots of mandibular molars. J Endod. 2004;30:509–12.

    Article  Google Scholar 

  29. Cheung LH, Cheung GS. Evaluation of a rotary instrumentation method for C-shaped canals with micro-computed tomography. J Endod. 2008;34:1233–8.

    Article  Google Scholar 

  30. Amal N, Mali G, Sreeja A, Jamuna S, Babu A, Anulekh, . Endocrown-an overlooked alternative. Arch of Dent and Med Res. 2016;2:34–44.

    Google Scholar 

Download references

Acknowledgements

We thank to Prof. Dr. Saim Yologlu (a full time faculty member at Inonu University, Faculty of Medicine, Department of Biostatistics) who made the statistics of this study.

Funding

This project was supported by Inonu University/Turkey, Scientific Research Projects Unit (TDH-2018–887).

Author information

Authors and Affiliations

  1. Department of Endodontics, Faculty of Dentistry, Inonu University, 44280, Malatya, Turkey

    Melis Sila Cetin & Neslihan Simsek

Authors
  1. Melis Sila Cetin
    View author publications

    You can also search for this author in PubMed Google Scholar

  2. Neslihan Simsek
    View author publications

    You can also search for this author in PubMed Google Scholar

Contributions

All authors have contributed significantly and, all authors are in agreement with the manuscript.

Corresponding author

Correspondence to Neslihan Simsek.

Ethics declarations

Conflict of interest

The authors declare that they have no conflict of interest.

Ethical approval

This study was approved by the Inonu University Health Sciences Non-Interventional Clinical Research Ethics Committee (2017/24-16).

Informed consent

For this type of study, formal consent is not required.

Additional information

Publisher's Note

Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.

Rights and permissions

Reprints and permissions

About this article

Check for updates. Verify currency and authenticity via CrossMark

Cite this article

Cetin, M.S., Simsek, N. Evaluation of fracture strength of different restoration techniques applied to C-shaped 3D model teeth. Odontology 110, 262–268 (2022). https://doi.org/10.1007/s10266-021-00655-8

Download citation

  • Received:

  • Accepted:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1007/s10266-021-00655-8

Keywords

Search

Navigation