Research Article
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Year 2018, Volume: 52 Issue: 2, 59 - 63, 01.05.2018

Abstract

References

  • 1. Taha NA, Palamara JE, Messer HH. Fracture strength and fracture patterns of root filled teeth restored with direct resin restorations. J Dent 2011; 39: 527-35. 2. Pilo R, Metzger Z, Brosh T. Effect of root morphology on the susceptibility of endodontically treated teeth to vertical root fracture: An ex-vivo model. J Mech Behav Biomed Mater 2017; 69: İ267-74. 3. Assif D, Nissan J, Gafni Y, Gordon M. Assessment of the resistance to fracture of endodontically treated molars restored with amalgam. J Prosthet Dent 2003; 89: 462-5. 4. Soares PV, Santos-Filho PC, Martins LR, Soares CJ. Influence of restorative technique on the biomechanical behavior of endodontically treated maxillary premolars. Part i: Fracture resistance and fracture mode. J Prosthet Dent 2008; 99: 30-7. 5. Kim HC, Lee MH, Yum J, Versluis A, Lee CJ, Kim BM. Potential relationship between design of nickel-titanium rotary instruments and vertical root fracture. J Endod 2010; 36(7): 1195-9. 6. Kirzioglu Z, Gurbuz T, Yilmaz Y. Clinical evaluation of chemomechanical and mechanical caries removal: Status of the restorations at 3, 6, 9 and 12 months. Clin Oral Investig 2007; 11: 69-76. 7. Bahrololoomi Z, Heydari E. Assessment of tooth preparation via er:Yag laser and bur on microleakage of dentin adhesives. J Dent (Tehran) 2014; 11: 172-8. 8. Baghalian A, Nakhjavani YB, Hooshmand T, Motahhary P, Bahramian H. Microleakage of er:Yag laser and dental bur prepared cavities in primary teeth restored with different adhesive restorative materials. Lasers Med Sci 2013; 28: 1453-60. 9. Fattah T, Kazemi H, Fekrazad R, Assadian H, Kalhori KA. Er,cr:Ysgg laser influence on microleakage of class v composite resin restorations. Lasers Med Sci 2013; 28: 1257-62. 10. DenBesten PK, White JM, Pelino JE, Furnish G, Silveira A, Parkins FM. The safety and effectiveness of an er: Yag laser for caries removal and cavity preparation in children. Medical Laser Application 2001; 16: 215-22. 11. Neves Ade A, Coutinho E, De Munck J, Van Meerbeek B. Caries-removal effectiveness and minimal-invasiveness potential of caries-excavation techniques: A micro-ct investigation. J Dent 2011; 39: 154-62. 12. Eberhard J, Bode K, Hedderich J, Jepsen S. Cavity size difference after caries removal by a fluorescence-controlled er:Yag laser and by conventional bur treatment. Clin Oral Investig 2008; 12: 311-8. 13. Meister J, Franzen R, Forner K, Grebe H, Stanzel S, Lampert F, Apel C. Influence of the water content in dental enamel and dentin on ablation with erbium yag and erbium ysgg lasers. J Biomed Opt 2006; 11: 34030. 14. Ekworapoj P, Sidhu SK, McCabe JF. Effect of different power parameters of er,cr:Ysgg laser on human dentine. Lasers Med Sci 2007; 22: 175-82. 15. Franzen R, Kianimanesh N, Marx R, Ahmed A, Gutknecht N. Fracture forces of dentin after surface treatment with high speed drill compared to er:Yag and er,cr:Ysgg laser irradiation. Anal Cell Pathol (Amst) 2016; 2016: 8517947. 16. Rizoiu I-M, DeShazer LG. New laser-matter interaction concept to enhance hard tissue cutting efficiency. In Society of Photo-Optical Instrumentation Engineers (SPIE) Conference Series: 1994; 309-17. 17. Corona SA, de Souza AE, Chinelatti MA, Borsatto MC, Pecora JD, Palma-Dibb RG. Effect of energy and pulse repetition rate of er: Yag laser on dentin ablation ability and morphological analysis of the laser-irradiated substrate. Photomed Laser Surg 2007; 25: 26-33. 18. Fornaini C, Petruzzella S, Podda R, Merigo E, Nammour S, Vescovi P. Er:Yag laser and fractured incisor restorations: An in vitro study. Int J Dent 2012; doi:10.1155/2012/617264. 19. Sengun A, Cobankara FK, Orucoglu H. Effect of a new restoration technique on fracture resistance of endodontically treated teeth. Dental Traumatology 2008; 24: 214-9. 20. Akman S, Akman M, Eskitascioglu G, Belli S. Influence of several fibre‐reinforced composite restoration techniques on cusp movement and fracture strength of molar teeth. International endodontic journal 2011; 44: 407-15. 21. Eakle W. Effect of thermal cycling on fracture strength and microleakage in teeth restored with a bonded composite resin. Dental Materials 1986; 2: 114-17. 22. Kruzic JJ, Nalla RK, Kinney JH, Ritchie RO. Mechanistic aspects of in vitro fatigue-crack growth in dentin. Biomaterials 2005; 26: 1195-204. 23. Zadik Y, Sandler V, Bechor R, Salehrabi R. Analysis of factors related to extraction of endodontically treated teeth. Oral Surg Oral Med Oral Pathol Oral Radiol Endod 2008; 106: e31-5. 24. Tang W, Wu Y, Smales RJ. Identifying and reducing risks for potential fractures in endodontically treated teeth. J Endod 2010; 36: 609-17. 25. Jagadish S, Yogesh BG. Fracture resistance of teeth with class 2 silver amalgam, posterior composite, and glass cermet restorations. Oper Dent 1990; 15: 42-7.

Fracture resistance of root-filled teeth after cavity preparation with conventional burs

Year 2018, Volume: 52 Issue: 2, 59 - 63, 01.05.2018

Abstract

Purpose
The aim of the present study is to compare the fracture resistance of teeth after
access cavity preparation with conventional rotary burs, Erbium-doped yttrium
aluminum garnet laser (Er:YAG) and Erbium, cromium: yttrium scandium gallium
garnet laser (Er,Cr:YSGG) lasers.
Materials and methods
Fifty five intact mandibular molars were divided into 3 negative groups (groups 1, 2,
3; n=5 for each), 3 study groups (groups 4, 5, 6; n=10 for each) and 1 positive control
group (intact teeth; n=10). Access cavities of groups 1, 2 and 3 were prepared with
conventional burs, Er:YAG laser and Er,Cr:YSGG laser respectively. After root canal
obturation, their coronal portions were left non-restored. Access cavities of groups 4,
5 and 6 were prepared by using the same equipment but their coronal portions were
restored with composite resinafter root canal obturation. Following thermocycling,
fracture strength was evaluated with a Universal Testing Machine. Mean force at which
each sample is fractured was recorded in Newton unit and statistically analyzed.
Results
Fracture resistance of group 7 (intact teeth) was significantly higher than all other
groups (p<0.001). Differences among the fracture resistance values of groups 4, 5 and 6
were not significantly different but they were significantly higher than those of groups
1, 2 and 3 (p<0.001). No significant difference was found between Groups 1, 2 and 3.
Conclusion
Preparing access cavities with either laser or bur has no effect on the fracture
resistance of teeth with root canal treatment.

References

  • 1. Taha NA, Palamara JE, Messer HH. Fracture strength and fracture patterns of root filled teeth restored with direct resin restorations. J Dent 2011; 39: 527-35. 2. Pilo R, Metzger Z, Brosh T. Effect of root morphology on the susceptibility of endodontically treated teeth to vertical root fracture: An ex-vivo model. J Mech Behav Biomed Mater 2017; 69: İ267-74. 3. Assif D, Nissan J, Gafni Y, Gordon M. Assessment of the resistance to fracture of endodontically treated molars restored with amalgam. J Prosthet Dent 2003; 89: 462-5. 4. Soares PV, Santos-Filho PC, Martins LR, Soares CJ. Influence of restorative technique on the biomechanical behavior of endodontically treated maxillary premolars. Part i: Fracture resistance and fracture mode. J Prosthet Dent 2008; 99: 30-7. 5. Kim HC, Lee MH, Yum J, Versluis A, Lee CJ, Kim BM. Potential relationship between design of nickel-titanium rotary instruments and vertical root fracture. J Endod 2010; 36(7): 1195-9. 6. Kirzioglu Z, Gurbuz T, Yilmaz Y. Clinical evaluation of chemomechanical and mechanical caries removal: Status of the restorations at 3, 6, 9 and 12 months. Clin Oral Investig 2007; 11: 69-76. 7. Bahrololoomi Z, Heydari E. Assessment of tooth preparation via er:Yag laser and bur on microleakage of dentin adhesives. J Dent (Tehran) 2014; 11: 172-8. 8. Baghalian A, Nakhjavani YB, Hooshmand T, Motahhary P, Bahramian H. Microleakage of er:Yag laser and dental bur prepared cavities in primary teeth restored with different adhesive restorative materials. Lasers Med Sci 2013; 28: 1453-60. 9. Fattah T, Kazemi H, Fekrazad R, Assadian H, Kalhori KA. Er,cr:Ysgg laser influence on microleakage of class v composite resin restorations. Lasers Med Sci 2013; 28: 1257-62. 10. DenBesten PK, White JM, Pelino JE, Furnish G, Silveira A, Parkins FM. The safety and effectiveness of an er: Yag laser for caries removal and cavity preparation in children. Medical Laser Application 2001; 16: 215-22. 11. Neves Ade A, Coutinho E, De Munck J, Van Meerbeek B. Caries-removal effectiveness and minimal-invasiveness potential of caries-excavation techniques: A micro-ct investigation. J Dent 2011; 39: 154-62. 12. Eberhard J, Bode K, Hedderich J, Jepsen S. Cavity size difference after caries removal by a fluorescence-controlled er:Yag laser and by conventional bur treatment. Clin Oral Investig 2008; 12: 311-8. 13. Meister J, Franzen R, Forner K, Grebe H, Stanzel S, Lampert F, Apel C. Influence of the water content in dental enamel and dentin on ablation with erbium yag and erbium ysgg lasers. J Biomed Opt 2006; 11: 34030. 14. Ekworapoj P, Sidhu SK, McCabe JF. Effect of different power parameters of er,cr:Ysgg laser on human dentine. Lasers Med Sci 2007; 22: 175-82. 15. Franzen R, Kianimanesh N, Marx R, Ahmed A, Gutknecht N. Fracture forces of dentin after surface treatment with high speed drill compared to er:Yag and er,cr:Ysgg laser irradiation. Anal Cell Pathol (Amst) 2016; 2016: 8517947. 16. Rizoiu I-M, DeShazer LG. New laser-matter interaction concept to enhance hard tissue cutting efficiency. In Society of Photo-Optical Instrumentation Engineers (SPIE) Conference Series: 1994; 309-17. 17. Corona SA, de Souza AE, Chinelatti MA, Borsatto MC, Pecora JD, Palma-Dibb RG. Effect of energy and pulse repetition rate of er: Yag laser on dentin ablation ability and morphological analysis of the laser-irradiated substrate. Photomed Laser Surg 2007; 25: 26-33. 18. Fornaini C, Petruzzella S, Podda R, Merigo E, Nammour S, Vescovi P. Er:Yag laser and fractured incisor restorations: An in vitro study. Int J Dent 2012; doi:10.1155/2012/617264. 19. Sengun A, Cobankara FK, Orucoglu H. Effect of a new restoration technique on fracture resistance of endodontically treated teeth. Dental Traumatology 2008; 24: 214-9. 20. Akman S, Akman M, Eskitascioglu G, Belli S. Influence of several fibre‐reinforced composite restoration techniques on cusp movement and fracture strength of molar teeth. International endodontic journal 2011; 44: 407-15. 21. Eakle W. Effect of thermal cycling on fracture strength and microleakage in teeth restored with a bonded composite resin. Dental Materials 1986; 2: 114-17. 22. Kruzic JJ, Nalla RK, Kinney JH, Ritchie RO. Mechanistic aspects of in vitro fatigue-crack growth in dentin. Biomaterials 2005; 26: 1195-204. 23. Zadik Y, Sandler V, Bechor R, Salehrabi R. Analysis of factors related to extraction of endodontically treated teeth. Oral Surg Oral Med Oral Pathol Oral Radiol Endod 2008; 106: e31-5. 24. Tang W, Wu Y, Smales RJ. Identifying and reducing risks for potential fractures in endodontically treated teeth. J Endod 2010; 36: 609-17. 25. Jagadish S, Yogesh BG. Fracture resistance of teeth with class 2 silver amalgam, posterior composite, and glass cermet restorations. Oper Dent 1990; 15: 42-7.
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Details

Primary Language English
Subjects Health Care Administration
Journal Section Original Research Articles
Authors

Uğur Aydın This is me

Fatih Aksoy This is me

Samet Tosun This is me

Publication Date May 1, 2018
Submission Date January 5, 2017
Published in Issue Year 2018 Volume: 52 Issue: 2

Cite

EndNote Aydın U, Aksoy F, Tosun S (May 1, 2018) Fracture resistance of root-filled teeth after cavity preparation with conventional burs. European Oral Research 52 2 59–63.