The Journal of Contemporary Dental Practice

Register      Login



Volume / Issue

Online First

Related articles

VOLUME 8 , ISSUE 1 ( January, 2007 ) > List of Articles


Fracture Resistance of Various Temporary Crown Materials

Asude Yilmaz, Seyfettin Baydaş

Citation Information : Yilmaz A, Baydaş S. Fracture Resistance of Various Temporary Crown Materials. J Contemp Dent Pract 2007; 8 (1):44-51.

DOI: 10.5005/jcdp-8-1-44

License: CC BY-NC 3.0

Published Online: 01-03-2008

Copyright Statement:  Copyright © 2007; The Author(s).



The aim of this study was to evaluate the fracture resistance of various provisional crown materials using an in vitro model test system.

Methods and Materials

In the present study polycarbonate crowns, prefabricated by the manufacturer (3M Polycarbonate Crown), and the temporary crowns, fabricated in the dental laboratory environment, were fabricated using bis-acryl composite (Protemp II), autopolymerizing PMMA resin (BISICO Temp S), and heatpolymerized PMMA resin (Major C&B-V Dentine). All temporary crowns were stored in distilled water for 24 hours at room temperature prior to testing. The crowns were seated on metal dies, fabricated from Cr-Co alloy (AZ Dental, Konstanz, Germany), and then tested using the indenter of a Hounsfield testing machine (Hounsfield Tensometer, Hounsfield Test Equipment, Raydon, England). The tip of the indenter was located at a position one-third of the way down the inciso-palatine surface at 135°. The data were statistically analyzed for differences using one-way analysis of variance (ANOVA) and the Tukey HSD test (P<.05). Additionally, the types of failure obtained from the fracture load test were examined using 10X magnification with a stereo microscope.


The results of the present study indicated polycarbonate crowns were significantly different from the BISICO Temp S, Protemp II, and Major C&B-V Dentine (P<.05) groups.


This in vitro study shows polycarbonate crowns may be preferable to the other types of temporary crowns used in this study.


Yilmaz A, Baydaş S. Fracture Resistance of Various Temporary Crown Materials. J Contemp Dent Pract 2007 January;(8)1:044-051.

PDF Share
  1. Provisional Restorations: An integrated approach to periodontics and restorative dentistry. Dent Clin North Am 1980;24:285-303.
  2. Provisional Restorations in Fixed Partial Prosthodontics. Dent Clin North Am 1989;33:355-377.
  3. Temporary Resin Crowns and Bridges. Dent Clin North Am 1975;19:313-320.
  4. The Provisional Restoration. Dent Clin North Am 1987;31:363-381.
  5. Temporization Techniques in Fixed Prosthodontics. Dent Clin North Am 1985;29:403-412.
  6. Temperature Rise In Pulp Chamber During Fabrication of Temporary Self-Curing Resin Crowns. J Prosthet Dent 1979;41:535-540.
  7. Temporary Coverage of Anterior Teeth. J Prosthet Dent 1969;22:68-72.
  8. The Marginal Integrity of The Temporary Acrylic Resin Crown. J Prosthet Dent 1976;36:274-277.
  9. Accurate Acrylic Resin Temporary Restorations. J Prosthet Dent 1978;39:158-161.
  10. A Simplified Technique for Temporary Crowns. Dent Dig 1967;73:449-450.
  11. Custom Contoured Temporary Crowns. J Prosthet Dent 1987;57:380-381.
  12. The Marginal Accuracy of Treatment Restorations. J Prosthet Dent 1980;44:283-290.
  13. Fabrication of Provisional Acrylic Resin Restorations. J Prosthet Dent 1983;50:863-864.
  14. Vacuum-Formed Prostheses. I. A Temporary Fixed Bridge or Splint. JADA 1968;76:74-78.
  15. Multiple Uses of A Plastic Template in Fixed Prosthodontics. J Prosthet Dent 1973;30:838-842.
  16. Polycarbonate Resin and Its Use in The Matrix Technique for Temporary Coverage. J Prosthet Dent 1973;30:789-794.
  17. Heat-Processed Acrylic Resin Provisional Restorations: An In-Office Procedure. J Prosthet Dent 1982;48:673-675.
  18. The Acrylic Jacket Crown. Dent Clin North Am 1975;19:301-312.
  19. A Direct Technique for The Fabrication of A Visible Light-Curing Resin Provisional Restoration. Quintessence Int 1990;21:699-703.
  20. Visible Light-Cured Composite Resins: An Alternative for Anterior Provisional Restorations. J Prosthet Dent 1984;51:192-194.
  21. Marginal Adaptation of Provisional Acrylic Resin Crowns. J Prosthet Dent 1985;54:194-197.
  22. Fracture Toughness of Provisional Resins for Fixed Prosthodontics. J Prosthet Dent 1987;58:23-29.
  23. Flexural Strength of Provisional Restorative Materials. J Prosthet Dent 1993;70:94-96.
  24. Microhardness of Provisional Fixed Prosthodontic Materials. J Prosthet Dent 1999;82:525-528.
  25. Polycarbonate Crowns. In Stewart RE, Barber TK, Troutman KC, Wei SHY, eds. Pediatric Dentistry. St Louis: C.V. Mosby; 1982:894-898.
  26. Fracture strength of anterior crowns fabricated by two different materials. T Klin Dis Hek Bil 1998;4:106-109 (English Abstract).
  27. The Comparison of tensile strength and shear strength of esthetic crowns used in primary. PhD Thesis. Ataturk Universitesi Saglik Bilimleri Enstitusu Pedodonti ABD 2000 (English Abstract).
  28. Correlation Study of Incisive Biting Forces with Age, Sex, and Anterior Occlusion. J Dent Res 1972; 52: 698-702.
PDF Share
PDF Share

© Jaypee Brothers Medical Publishers (P) LTD.