Adaptation of different self-etch adhesive systems to retrograde cavities prepared with ultrasound or Er,Cr:YSGG laser

Yıl 2013, Cilt: 30 Sayı: 1, 18 - 24, 11.03.2013

Seda Arslan Oya Bala Gizem Berk

Öz

OBJECTIVE: Resection of root end, preparation of a retrocavity and retrofilling with a suitable material are the three basic steps of apicoectomy. The aim of this study was to investigate, with a SEM analysis, the adaptation of four different adhesive systems applied onto ultrasonic or Er:Cr:YSGG laser-treated retrograde cavity surfaces.

MATERIALS AND METHOD: Fifty extracted human incisor teeth were used. The teeth were decoronated to a length of15 mm and the canals were prepared using ProTaper system with a crown-down technique. The apical3 mm was cut perpendicular to the long axis of the root using a fissure bur. Retrograde cavities were prepared using ultrasonic tip or Er,Cr:YSGG laser on the exposed root surfaces. Root specimens of the ultrasonic or laser groups were randomly divided to four groups. One of four adhesive systems were applied in each group (Clearfil SE Bond, Clearfill Protect Bond, Clearfill S3 Bond or Optibond SOLO Plus). Smear layer produced on the root surface after ultrasound or laser, and the quality of the hybrid layer and resin tags that have formed after application of the adhesives were examined under SEM.

RESULTS: Characteristics of the smear layer formed after the use of ultrasonic or laser were different. The thickness and integrity of the hybrid layer and penetration into dentinal tubules of the adhesives were also found to differ depending on the use of ultrasound or laser.

CONCLUSION: The findings of the study suggest that the selfetch adhesive system be selected according to the retrocavity preparetion technique used.

Anahtar Kelimeler

Adhesive Systems, Apical Surgery, Er Cr:YSGG Laser, Ultrasonics

Ultrasonik veya Er,Cr:YSGG lazer ile hazırlanan retrograd kavitelere farklı kendinden pürüzlendirmeli adeziv sistemlerin adaptasyonu

Öz

AMAÇ: Apikal cerrahi, kök ucunun kesilmesi, retrograd kavitenin hazırlanması ve bu kavitenin uygun bir materyalle tıkanması gibi aşamaları içeren bir uygulamadır. Bu çalışmanın amacı ultrasonik veya Er,Cr:YSGG lazer ile hazırlanan retrograd kavite yüzeylerine dört farklı adeziv sistemin adaptasyonunun SEM ile incelenmesidir.

GEREÇ VE YÖNTEM: Çalışmada 50 adet ön kesici insan dişi kullanıldı. Dişlerin kron kısımları kök boyutları15 mm kalacak şekilde kesilerek uzaklaştırıldıktan sonra kök kanalları ProTaper sistem kullanılarak crown-down tekniği ile şekillendirildi. Takiben dişlerin apikal 3 mm’si fissür uçlu elmas frez ile kökün uzun aksına 90o açı ile kesildi. Kesilen apikal kök yüzeylerine ultrasonik uç veya Er,Cr:YSGG lazer kullanılarak retrograd kaviteler hazırlandı. Daha sonra hem ultrasonik uç hem de Er,Cr:YSGG lazer ile hazırlanan retrograd kaviteler rastgele olarak dört farklı gruba ayrıldı. Her gruba farklı bir adeziv sistem (Clearfil SE Bond, Clearfil Protect Bond, Clearfil S3 Bond ve Optibond SOLO Plus) uygulandı. Takiben ultrasonik uç ve Er,Cr:YSGG lazerin kavite yüzeyinde oluşturduğu smear tabaka ile adeziv sistemlerin

retrograd kavite yüzeyinde oluşturdukları hibrit tabaka ve rezin çubuklarının kalitesi tarama elektron mikroskopisi (SEM) ile incelendi.

BULGULAR: Çalışmanın sonucunda retrograd kavite yüzeyinde oluşan smear tabakanın özelliklerinin ultrasonik uç ve Er,Cr:YSGG lazer kullanımına göre farklılık gösterdiği gözlendi. Ayrıca adeziv sistemlerin uygulanmasından sonra oluşan hibrit tabakanın kalınlığı, bütünlüğü ve dentin tübülleri içine penetre olma miktarlarının da ultrasonik uç ve Er,Cr:YSGG lazer kullanımına göre değişkenlik gösterdiği saptandı.

SONUÇ: Bu çalışma retrograd kaviteyi doldurmak amacıyla kendinden pürüzlendirmeli bir adeziv sistem kullanılacaksa bunun retrograd kavitenin hazırlanma şekli dikkate alınarak seçilmesi gerektiğini göstermektedir.

Anahtar Kelimeler

Adeziv Sistemler, Apikal Cerrahi, Er Cr:YSGG Lazer, Ultrasonik

Kaynakça

• 1. Rubinstein RA, Kim S. Long-term follow-up of cases considered healed one year after apical microsurgery. J Endod 2002;28:378-83.
• 2. Wang N, Knight K, Dao T, Friedman S. Treatment outcome in endodontics-The Toronto Study. Phases I and II: apical surgery. J Endod 2004;30:751-6.
• 3. Von Arx T, Kurt B, Ilgenstein B, Hardt N. Preliminary results and analysis of a new set of sonic instruments for root-end cavity preparation. Int Endod J 1998;31:32-8.
• 4. Gagliani M, Taschieri S, Molinari R. Ultrasonic root-end preparation: influence of cutting angle on the apical seal. J Endod 1998;24:726-30.
• 5. Rahimi S, Yavari HR, Shahi S, Zand V, Shakoui S, Reyhani MF. Comparison of the effect of Er, Cr-YSGG laser and ultrasonic retrograde rootend cavity preparation on the integrity of root apices. J Oral Sci 2010;52: 77-81.
• 6. Abedi HR, Van Mierlo BL, Wilder-Smith P, Torabinejad M. Effects of ultrasonic root-end cavity preparation on the root apex. Oral Surg Oral Med Oral Pathol Oral Radiol Endod 1995;80:207-13.
• 7. Ishikawa H, Sawada N, Kobayashi C, Suda H. Evaluation of root-end cavity preparation using ultrasonic retrotips. Int Endod J 2003;36:586-90.
• 8. Friedman S, Rotstein I, Bab I. Tissue response following CO2 laser application in apical surgery: light microscopic assessment in dogs. Lasers Surg Med 1992;12:104-11.
• 9. Karlovic Z, Pezelj-Ribaric S, Miletic I, Jukic S, Grgurevic J, Anic I. Erbium:YAG laser versus ultrasonic in preparation of root-end cavities. J Endod 2005;31:821-3.
• 10. Keller U, Hibst R. Experimental studies of the application of the Er:YAG laser on dental hard substances: II. Light microscopic and SEM investigations. Lasers Surg Med 1989;9:345-51.
• 11. Schoop U, Moritz A, Kluger W, Patruta S, Goharkhay K, Sperr W, et al. The Er:YAG laser in endodontics: results of an in vitro study. Lasers Surg Med 2002;30:360-4.
• 12. 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.
• 13. Gutmann JL, Saunders WP, Nguyen L, Guo IY, Saunders EM. Ultrasonic root-end preparation. Part 1. SEM analysis. Int Endod J 1994;27:318-24.
• 14. Macari S, Goncalves M, Nonaka T, Santos JM. Scanning electron microscopy evaluation of the interface of three adhesive systems. Braz Dent J 2002;13:33-8.
• 15. Gorman MC, Steiman HR, Gartner AH. Scanning electron microscopic evaluation of root-end preparations. J Endod 1995;21:113-7 .
• 16. Noori ZT, Fekrazad R, Eslami B, Etemadi A, Khosravi S, Mir M. Comparing the effects of root surface scaling with ultrasound instruments and Er,Cr:YSGG laser. Lasers Med Sci 2008;23:283-7.
• 17. Çalışkan MK, Parlar NK, Orucoglu H, Aydin B. Apical microleakage of root-end cavities prepared by Er,Cr:YSGG laser. Lasers Med Sci 2010;25:145-50.
• 18. Foxton RM, Melo L, Stone DG, Pilecki P, Sherriff M, Watson TF. Long-term durability of one-step adhesive-composite systems to enamel and dentin. Oper Dent 2008;33:651-7.
• 19. Taschieri S, Testori T, Francetti L, Del Fabbro M. Effects of ultrasonic root end preparation on resected root surfaces: SEM evaluation. Oral Surg Oral Med Oral Pathol Oral Radiol Endod 2004;98:611-8.
• 20. De Freitas PM, Rapozo-Hilo M, Eduardo Cde P, Featherstone JD. In vitro evaluation of erbium, chromium:yttrium-scandium-gallium-garnet laser-treated enamel demineralization. Lasers Med Sci 2010;25:165-70.
• 21. Hossain M, Nakamura Y, Yamada Y, Suzuki N, Murakami Y, Matsumoto K. Analysis of surface roughness of enamel and dentin after Er,Cr:YSGG laser irradiation. J Clin Laser Med Surg 2001;19:297-303.
• 22. Carnovale F, Giardino L, Delle Fratte T. Laser in endodontics. Minerva Stomatol 1997;46:491-6.
• 23. Perussi LR, Pavone C, de Oliveira GJ, Cerri PS, Marcantonio RA. Effects of the Er,Cr:YSGG laser on bone and soft tissue in a rat model. Lasers Med Sci 2012;27:95-102.
• 24. Lee BS, Lin PY, Chen MH, Hsieh TT, Lin CP, Lai JY, Lan WH. Tensile bond strength of Er,Cr:YSGG laser-irradiated human dentin and analysis of dentin-resin interface. Dent Mater 2007;23:570-8.
• 25. Hossain M, Nakamura Y, Yamada Y, Kimura Y, Matsumoto N, Matsumoto K. Effects of Er,Cr:YSGG laser irradiation in human enamel and dentin: ablation and morphological studies. J Clin Laser Med Surg 1999;17:155-9.
• 26. Nakabayashi N, Kojima K, Masuhara E. The promotion of adhesion by the filtration of monomers into tooth substrates. J Biomed Mater Res 1982;16:265-73.
• 27. Pashley DH, Sano H, Ciucchi B, Yoshiyama M, Carvalho RM. Adhesion testing of dentin bonding agents: a review. Dent Mater 1995;11:117-25.
• 28. Timpawat S, Sripanaratanakul S. Apical sealing ability of glass ionomer sealer with and without smear layer. J Endod 1998;24:343-5.
• 29. Timpawat S, Vongsavan N, Messer HH. Effect of removal of the smear layer on apical microleakage. J Endod 2001;27:351-3.
• 30. Torabinejad M, Handysides R, Khademi AA, Bakland LK. Clinical implications of the smear layer in endodontics: a review. Oral Surg Oral Med Oral Pathol Oral Radiol Endod 2002;94:658-66.
• 31. Aranha AC, De Paula Eduardo C, Gutknecht N, Marques MM, Ramalho KM, Apel C. Analysis of the interfacial micromorphology of adhesive systems in cavities prepared with Er,Cr:YSGG, Er:YAG laser and bur. Microsc Res Tech 2007;70:745-51.
• 32. Sassi JF, Chimello DT, Borsatto MC, Corona SA, Pecora JD, PalmaDibb RG. Comparative study of the dentin/adhesive systems interface after treatment with Er:YAG laser and acid etching using scanning electron microscope. Lasers Surg Med 2004;34:385-90.
• 33. Ceballos L, Osorio R, Toledano M, Marshall GW. Microleakage of composite restorations after acid or Er-YAG laser cavity treatments. Dent Mater 2001;17:340-6.
• 34. Martinez-Insua A, Da Silva Dominguez L, Rivera FG, Santana-Penin UA. Differences in bonding to acid-etched or Er:YAG-laser-treated enamel and dentin surfaces. J Prosthet Dent 2000;84:280-8.
• 35. Violich DR, Chandler NP. The smear layer in endodontics - a review. Int Endod J 2010;43:2-15.
• 36. Visuri SR, Gilbert JL, Wright DD, Wigdor HA, Walsh JT. Shear strength of composite bonded to Er:YAG laser-prepared dentin. J Dent Res 1996;75:599-605.
• 37. Hubbezoğlu FH, Bolayır G. Yeni Nesil Self- Etching Adeziv Sistemlerin Rezin-Dentin Arayüzeyindeki Mikrosızıntılarının Karşılaştırılması. Cumhuriyet Ü Diş Hek Fak Derg 2006;19:26-31.
• 38. Cardoso MV, De Munck J, Coutinho E, Ermis RB, Van Landuyt K, de Carvalho RC, et al. Influence of Er,Cr:YSGG laser treatment on microtensile bond strength of adhesives to enamel. Oper Dent 2008;33:448-55.
• 39. Inoue S, Koshiro K, Yoshida Y, De Munck J, Nagakane K, Suzuki K, et al. Hydrolytic stability of self-etch adhesives bonded to dentin. J Dent Res 2005;84:1160-4.