Hakan ARSLAN, Çağatay BARUTCİGİL, Duygu KÜRKLÜ, Hüseyin ERTAŞ

Self-adeziv rezin simanın tek başına ya da selfetch adeziv sistemle birlikte kullanımının push-out bağlanma dayanımına etkisi

Amaç: Bu çalışmada, self-adeziv rezin simanın tek başına ve self-etch adeziv sistemle birlikte kullanımının, rezin simanın kök kanal duvarlarına push-out bağlanma dayanımına etkisinin değerlendirilmesi amaçlanmıştır. Gereç ve Yöntem: Kök kanalları şekillendirilip doldurulduktan sonra her birisi için post boş- lukları hazırlandı. Post boşlukları Grup 1de self-etch adeziv sistem ve dual-cure rezin siman ile, Grup 2de self-adeziv rezin siman ve Grup 3de self-etch adeziv sistem ve self-adeziv rezin siman ile dolduruldu. Örneklerden 2 mm kalınlığında 2-4 kesit elde edilerek elde edilen kesitlerde push-out testi uygulandı (n=10). Newton cinsinden kaydedilen değerler MPaya çevrilerek kaydedildi. Başarısızlık tipleri de kaydedilerek tüm veri Pearson ki-kare, tek yönlü ANOVA ve post hoc Tukey testleri kullanılarak istatistiksel olarak analiz edildi (p=.05). Bulgular: En yüksek bağlanma dayanımı Grup 3de gözlemlenirken (6,70 ± 2,93 MPa) en düşük bağlanma dayanımı Grup 1de (2,65 ± 1,70 MPa) olduğu tespit edildi. Gruplar arasında istatistiksel farklılıklar tespit edildi (p>.05). Self-adeziv rezin simanın self-etch adeziv ile kombine kullanımı (Grup 3) istatistiksel olarak dual-cure rezin simandan daha üstündü (p=.006). Sonuç: Self-adeziv rezin simanın self-etch adeziv ile kullanımı dual-cure rezin simana göre daha iyi bağlanma dayanımı sağlarken, self-adeziv rezin simanın tek başına kullanıldığı gruba göre üstünlük sağlamamaktadır.

Effect of single use or combine use with self-etch adhesive system of self-adhesive rezin cement on push-out bond strength

Background: In the present study, the effect of single use or combine use with self-etch adhesive system of self-adhesive rezin cement on its push-out bond strength to root canal walls was aimed. Methods: After root canals were shaped and filled, post spaces were prepared for each one. The post spaces were filled with self-etch adhesive system and dual-cure resin cement in the Group 1, selfadhesive resin cement in the Group 2, and self-etch adhesive system and self-adhesive resin cement in the Group 3. 2-4 slices with 2 mm thickness were obtained from each specimen and push-out test were performed on these slices (n=10).The values in newton were expressed in MPa and recorded. The failure types were also recorded and all data were statistically analyzed using Pearson chi-square, one-way ANOVA, and post hoc Tukey tests (p=.05). Results: The highest bond strength values were observed in group 3 (6,70 ± 2,93 MPa) and the lowest in group 1 (2,65 ± 1,70 MPa). Statistical significant differences were determined among the groups (p>.05). The combine use of self-adhesive resin cement with selfetch adhesive system was statistically superior to dual-cure resin cement. Conclusion: While using self-etch adhesive system with self-adhesive resin cement provides more bonding strength than dual-cure resin cement, it did not provides advantages compared as single use of self-adhesive cement.

___

1. Goracci C, Ferrari M. Current perspectives on post systems: a literature review. Aust Dent J. 2011; 56 Suppl 1: 77-83.
2. Chuang SF, Yaman P, Herrero A, et al. Influence of post material and length on endodontically treated incisors: an in vitro and finite element study. J Prosthet Dent. 2010; 104: 379-88.
3. Chieruzzi M, Pagano S, Pennacchi M, et al. Compressive and flexural behaviour of fibre reinforced endodontic posts. J Dent. 2012; 40: 968-78.
4. Kedici SP, Aksut AA, Kilicarslan MA, et al. Corrosion behaviour of dental metals and alloys in different media. J Oral Rehabil. 1998; 25: 800-8.
5. Baba NZ, Golden G, Goodacre CJ. Nonmetallic prefabricated dowels: a review of compositions, properties, laboratory, and clinical test results. J Prosthodont. 2009; 18: 527-36.
6. Bonfante EA, Pegoraro LF, de Goes MF, Carvalho RM. SEM observation of the bond integrity of fiber-reinforced composite posts cemented into root canals. Dent Mater. 2008; 24: 483-91.
7. Boschian Pest L, Cavalli G, Bertani P, Gagliani M. Adhesive post-endodontic restorations with fiber posts: pushout tests and SEM observations. Dent Mater. 2002; 18: 596-602.
8. Butz F, Lennon AM, Heydecke G, Strub JR. Survival rate and fracture strength of endodontically treated maxillary incisors with moderate defects restored with different post-and-core systems: an in vitro study. Int J Prosthodont. 2001; 14: 58-64.
9. Cecchin D, de Almeida JF, Gomes BP, et al. Influence of chlorhexidine and ethanol on the bond strength and durability of the adhesion of the fiber posts to root dentin using a total etching adhesive system. J Endod. 2011; 37: 1310-5.
10. Tay FR, Pashley DH. Monoblocks in root canals: a hypothetical or a tangible goal. J Endod. 2007; 33: 391-8.
11. Radovic I, Monticelli F, Goracci C, et al. Self-adhesive resin cements: a literature review. J Adhes Dent. 2008; 10: 251-8.
12. Macedo VC, Faria e Silva AL, Martins LR. Effect of cement type, relining procedure, and length of cementation on pull-out bond strength of fiber posts. J Endod. 2010; 36: 1543-6.
13. Ebert J, Leyer A, Gunther O, et al. Bond strength of adhesive cements to root canal dentin tested with a novel pull-out approach. J Endod. 2011; 37: 1558-61.
14. DArcangelo C, Cinelli M, De Angelis F, DAmario M. The effect of resin cement film thickness on the pullout strength of a fiber-reinforced post system. J Prosthet Dent. 2007; 98: 193-8.
15. Kremeier K, Fasen L, Klaiber B, Hofmann N. Influence of endodontic post type (glass fiber, quartz fiber or gold) and luting material on push-out bond strength to dentin in vitro. Dent Mater. 2008; 24: 660-6.
16. Ari H, Yasar E, Belli S. Effects of NaOCl on bond strengths of resin cements to root canal dentin. J Endod. 2003; 29: 248-51.
17. Goracci C, Tavares AU, Fabianelli A, et al. The adhesion between fiber posts and root canal walls: comparison between microtensile and push-out bond strength measurements. Eur J Oral Sci. 2004; 112: 353-61.
18. Cekic-Nagas I, Ergun G, Nagas E, et al. Comparison between regional micropush-out and microtensile bond strength of resin composite to dentin. Acta Odontol Scand. 2008; 66: 73-81.
19. Soares CJ, Santana FR, Castro CG, et al. Finite element analysis and bond strength of a glass post to intraradicular dentin: comparison between microtensile and pushout tests. Dent Mater. 2008; 24: 1405-11.
20. Schwartz RS, Robbins JW. Post placement and restoration of endodontically treated teeth: a literature review. Journal of endodontics. 2004; 30: 289-301.
21. Glazer B. Restoration of endodontically treated teeth with carbon fibre posts--a prospective study. 2000; 66: 613-8.
22. Ferrari M, Vichi A, Garcia-Godoy F. Clinical evaluation of fiber-reinforced epoxy resin posts and cast post and cores. American journal of dentistry. 2000; 13: 15B-8B.
23. Cecchin D, de Almeida JF, Gomes BP, et al. Effect of chlorhexidine and ethanol on the durability of the adhesion of the fiber post relined with resin composite to the root canal. J Endod. 2011; 37: 678-83.
24. Erdemir U, Sar-Sancakli H, Yildiz E, et al. An in vitro comparison of different adhesive strategies on the micro push-out bond strength of a glass fiber post. Med Oral Patol Oral Cir Bucal. 2011; 16: e626-34.
25. Juloski J, Fadda GM, Radovic I, et al. Push-out bond strength of an experimental self-adhesive resin cement. Eur J Oral Sci. 2013; 121: 50-6.
26. Gerth HU, Dammaschke T, Zuchner H, Schafer E. Chemical analysis and bonding reaction of RelyX Unicem and Bifix composites--a comparative study. Dent Mater. 2006; 22: 934-41.
27. Kitzmuller K, Graf A, Watts D, Schedle A. Setting kinetics and shrinkage of self-adhesive resin cements depend on cure-mode and temperature. Dent Mater. 2011; 27: 544- 51.