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Farklı post boylarının ve farklı siman kullanımının kron ile restore edilmiş dişlerin kırılma dayanımına etkisi

Year 2016, Volume: 3 Issue: 1, 20 - 26, 01.04.2016
https://doi.org/10.15311/1441.272595

Abstract

Amaç: Bu çalışmanın amacı post-kor ve kronla restore edilmiş dişlerde farklı simantasyon materyallerinin ve post uzunluklarının kırılma direncine etkisini değerlendirmektir.Gereç ve Yöntemler: Benzer boylara sahip 40 mandibular premolar dişin kronları uzaklaştırıldı. Kanal tedavileri yapıldıktan sonra dişler akrilik bloklara gömüldü. Örnekler ilk olarak ikiye ayrıldı. 10 mm ve 5 mm derinliklerinde sirküler post boşlukları, sırasıyla #0.5 ve #2 kodlu üretici frezleri ile hazırlandı. Post (D.T. Light-Post) simantasyonu aşamasında, her post grubundaki 10 örnek kendinden adezivli rezin siman (Rely X) ile simante edildi. Diğer 10 örnek kendinden asitli kompozit siman (Clearfill Esthetic Cement) ile simante edildi (n=10). Tüm örnekler kompozit korlar ile restore edildi ve toplamda yaklaşık 5°’lik konverjans açısıyla 6 mm boyunda (1 mm ferrule dahil) prepare edildi. Sonra, tüm dişler tam metal kronlarla, cam iyonomer simanla simante edilerek restore edildi. Termal döngü ile yorma sonrası, tüm örneklere kırılma dayanımı testi (0,5 mm/min) uygulandı. Data iki yönlü varyans analizi kullanılarak analiz edildi (α=0.05).Bulgular: Farklı tip siman kullanımı restore edilmiş dişlerin kırılma dayanımını etkilemezken (p=0.209), 10 mm derinlikte post yerleşimi 5 mm derinlikte yerleşime göre daha yüksek kırılma dayanımı göstermiştir (p < 0.001).Sonuç: Çalışmanın limitasyonları dahilinde, hangi tip simanın kullanıldığına bakılmaksızın, post boşluğunun daha derin açılması post-kor destekli kron restorasyonlu dişlerin kırılma dayanımını artırmaktadır.

References

  • Adanir N, Belli S, 2008. Evaluation of different post lengths' effect on fracture resistance of a glass fiber post system. Eur J Dent, 2(1), 23-28.
  • Asmussen E, Peutzfeldt A, Sahafi A, 2005. Finite element analysis of stresses in endodontically treated, dowel-restored teeth. J Prosthet Dent, 94(4), 321-329.
  • Bitter K, Meyer-Lueckel H, Priehn K, Kanjuparambil J P, Neumann K, Kielbassa A M, 2006. Effects of luting agent and thermal cycling on bond strengths to root canal dentine. Int Endod J, 39(10), 809–818.
  • Boschian Pest L, Guidotti S, Pietrabissa R, Gagliani M, 2006. Stress distribution in a post-restored tooth using the three-dimensional finite element method. J Oral Rehabil, 33(9), 690-697.
  • Cecchin D, Farina A P, Guerreiro C A, Carlini-Junior B, 2010. Fracture resistance of roots prosthetically restored with intra-radicular posts of different lengths. J Oral Rehabil, 37(2), 116-122.
  • Chuang S F, Yaman P, Herrero A, Dennison J B, Chang C H, 2010. Influence of post material and length on endodontically treated incisors: an in vitro and finite element study. J Prosthet Dent, 104(6), 379-388.
  • De Munck J, Vargas M, Van Landuyt K, Hikita K, Lambrechts P, Van Meerbeek B, 2004. Bonding of an auto-adhesive luting material to enamel and dentin. Dent Mater, 20(10), 963-971.
  • Egilmez F, Ergun G, Cekic-Nagas I, Vallittu P K, Lassila L V, 2013. Influence of cement thickness on the bond strength of tooth-colored posts to root dentin after thermal cycling. Acta Odontol Scand, 2013 71(1), 175-182.

Effects of different cement usage and different post lengths to the fracture resistance of crown resorted teeth

Year 2016, Volume: 3 Issue: 1, 20 - 26, 01.04.2016
https://doi.org/10.15311/1441.272595

Abstract

Background: The aim of this study is to evaluate the effect of
post lengths and different cementation materials on the fracture
resistance of teeth which restored with post-cores and crowns.
Methods: Forty mandibular premolars with similar dimensions
were decoronated. After the root canal treatment, the teeth were
embedded in acrylic blocks. Specimens were fistly divided into 2
groups. 10-mm- and 5-mm-long circular post spaces were
prepared with using #0.5 and #2 coded manufacturer’s drills,
respectively. At the post (D.T. Light-Post) cementation stage, 10
specimens in each post group were cemented with a selfadhesive
resin cement (Rely X). The other 10 specimens were
cemented with self-etch cement (Clearfill Esthetic Cement)
(n=10). All specimens were restored with composite cores and
prepared at a height of 6 mm (including 1 mm ferrule) and a
convergence angle of approximately 5° in total. Then, all teeth
were restored with full metal crowns and cemented with a glass
ionomer cement. After thermocycling, all specimens were
subjected to fracture resistance testing (0,5 mm/min). Data were
analyzed using the two-way ANOVA test (α = 0.05).
Results: Usage of different type of cement did not effect the
fracture resistance of crown-restored (p=0.209), while 10-mm-long
post placement provided higher fracture resistance when
compared to 5-mm-long post placement (p < .001).
Conclusion: Within the limitations of this study, deeply
preparation of post place is enhanced fracture resistance of post-core
and crown restored teeth whichever cement were used.

References

  • Adanir N, Belli S, 2008. Evaluation of different post lengths' effect on fracture resistance of a glass fiber post system. Eur J Dent, 2(1), 23-28.
  • Asmussen E, Peutzfeldt A, Sahafi A, 2005. Finite element analysis of stresses in endodontically treated, dowel-restored teeth. J Prosthet Dent, 94(4), 321-329.
  • Bitter K, Meyer-Lueckel H, Priehn K, Kanjuparambil J P, Neumann K, Kielbassa A M, 2006. Effects of luting agent and thermal cycling on bond strengths to root canal dentine. Int Endod J, 39(10), 809–818.
  • Boschian Pest L, Guidotti S, Pietrabissa R, Gagliani M, 2006. Stress distribution in a post-restored tooth using the three-dimensional finite element method. J Oral Rehabil, 33(9), 690-697.
  • Cecchin D, Farina A P, Guerreiro C A, Carlini-Junior B, 2010. Fracture resistance of roots prosthetically restored with intra-radicular posts of different lengths. J Oral Rehabil, 37(2), 116-122.
  • Chuang S F, Yaman P, Herrero A, Dennison J B, Chang C H, 2010. Influence of post material and length on endodontically treated incisors: an in vitro and finite element study. J Prosthet Dent, 104(6), 379-388.
  • De Munck J, Vargas M, Van Landuyt K, Hikita K, Lambrechts P, Van Meerbeek B, 2004. Bonding of an auto-adhesive luting material to enamel and dentin. Dent Mater, 20(10), 963-971.
  • Egilmez F, Ergun G, Cekic-Nagas I, Vallittu P K, Lassila L V, 2013. Influence of cement thickness on the bond strength of tooth-colored posts to root dentin after thermal cycling. Acta Odontol Scand, 2013 71(1), 175-182.
There are 8 citations in total.

Details

Other ID JA53RU95CD
Journal Section Research
Authors

Halil İbrahim Kılınç This is me

Tuğrul Aslan This is me

Kerem Kılıç This is me

Özgür Er This is me

Publication Date April 1, 2016
Submission Date April 1, 2016
Published in Issue Year 2016 Volume: 3 Issue: 1

Cite

Vancouver Kılınç Hİ, Aslan T, Kılıç K, Er Ö. Farklı post boylarının ve farklı siman kullanımının kron ile restore edilmiş dişlerin kırılma dayanımına etkisi. Selcuk Dent J. 2016;3(1):20-6.