DİŞ BEYAZLATMA İŞLEMİNİN LİTYUM DİSİLİKAT SERAMİĞİN BAĞLANMA DAYANIMINA ETKİSİ

Merve Yıldırak; Rıfat Gözneli

doi:10.17567/ataunidfd.528333

DİŞ BEYAZLATMA İŞLEMİNİN LİTYUM DİSİLİKAT SERAMİĞİN BAĞLANMA DAYANIMINA ETKİSİ

Abstract

Amaç: Bu çalışmanın amacı, LED ışık ile aktive edilen %32’lik hidrojen peroksit diş beyazlatma ajanı uygulamasının, farklı periyotlarda lityum disilikat veneerlerin adeziv rezin simantasyonu sonrasındaki makaslama bağlanma dayanımlarına etkisini incelemektir.

Gereç ve yöntem: Kırk beş adet çekilmiş, üst santral insan dişi 3 gruba ayrılmıştır (n=15). Kontrol grubu (K) olarak tasarlanan gruba beyazlatma işlemi uygulanmadan dişler mine seviyesinde prepare edilip, lityum disilikat veneerlerin simantasyonu yapılmıştır. Beyazlatma gruplarındaki örneklerin labial yüzeylerine LED ışık ile aktive edilerek % 32’lik hidrojen peroksit ajan uygulanmıştır. Beyazlatma işlemini takiben hemen (Grup B0), diş mine seviyesinde prepare edilip simantasyonları yapılmıştır. Diğer beyazlatma grubundaki örnekler (Grup B7), beyazlatma işlemini takiben 7 gün 37⁰C distile su içerisinde saklanıp, preparasyon ve simantasyonları yapılmıştır. Simantasyon sonrası her grup 24 saat 37⁰C distile su içerisinde bekletilip örneklerin makaslama bağlanma dayanımları üniversal test cihazında dakikada 0,5 mm ilerleme hızıyla ölçülmüştür. Diş ve seramik örneklerin kopma paternleri ışık mikroskobu altında incelenmiştir. Normal dağılım gösteren verilerin karşılaştırılmasında tek yönlü varyans analizi (One-way ANOVA) kullanılırken, gruplar arasındaki farklılığın nereden kaynaklandığını bulmak için Bonferroni düzeltmeli ortalama karşılaştırması yapılmıştır.

Bulgular: K grubunun ortalama makaslama bağlanma dayanımı değerleri 30,04 MPa iken, B0 grubunun ortalama makaslama bağlanma dayanımı değerleri 20,34 MPa’a düşmüş ve B7 grubunda ise 27,02 MPa’a çıkmıştır. Beyazlatmadan hemen sonra restore edilen dişlerde bağlanma kuvveti anlamlı miktarda azalmıştır (p<0,001). K grubunda tip 1 ve tip 3 kopma paternleri görülürken, tip 2 kopma paterni görülmemiştir. B0 grubunda tip 2 ve tip 3 kopma paterni bulunurken, tip 1 kopma paterni görülmemiştir. B7 grubunda ise bütün kopma paternleri görülmüştür.

Sonuç: Beyazlatma işlemini takiben dişlere restorasyon uygulanması rezin simanın mineye bağlantısını olumsuz etkilemektedir. Tam seramik restorasyon yapılacak dişlere LED ile aktive edilen beyazlatma işlemi uygulanması planlanıyorsa beyazlatma işlemi sonrası en az 1 hafta beklenmesi önerilebilir.

Anahtar kelimeler: LED, hidrojen peroksit, rezin siman, makaslama bağlanma dayanımı.

THE EFFECT OF TOOTH BLEACHING ON THE BOND STRENGTH OF A LITHIUM DISILICATE CERAMIC

ABSTRACT

Aim: The aim of this study was to investigate the effect of 32% hydrogen peroxide bleaching agent activated by LED on the shear bond strength of lithium disilicate veneers after adhesive resin cementation.

Materials and Methods: Forty-five extracted human maxillary central teeth were divided into 3 groups (n = 15). The control group (K) was designed as without bleaching and the teeth were prepared at the enamel surfaces and lithium disilicate veneers were cemented with adhesive resin cement. The other groups, 32% hydrogen peroxide agent activated by LED was applied to the labial surfaces of teeth. Following the bleaching immediately, tooth reduction was made on enamel surfaces and cemented with adhesive resin cement (Group B0). The samples of the other bleaching group (Group B7) were stored in 37⁰C distilled water for 7 days after bleaching then, tooth reduction was made on enamel surfaces and cemented with adhesive resin cement. After cementation, each group was kept in 37⁰C distilled water for 24 hours and the shear bond strength values were measured by a universal testing machine with a crosshead speed of 0,5 mm/min. The failure modes of tooth and ceramic samples were examined under light microscope. One way ANOVA test was used in comparison of groups and Post hoc Bonferroni multiple comparison test was utilized to specify the differences.

Results: The mean shear bond strength values of the K group were 30.04 MPa, while in B0 group decreased to 20.34 MPa and in B7 groups increased to 27.02 MPa. Immediately after bleaching, the shear bond strength values of the teeth was significantly reduced (p <0.001). While type 1 and type 3 failure modes were observed in group K, type 2 was not observed. While type 2 and type 3 failure modes were found in group B0, type 1 failure mode was not observed. All failure modes were observed in group B7.

Conclusion: Adhesive restoration of the teeth after bleaching negatively affects the bonding of resin to the enamel. It is recommended to wait for at least 1 week after bleaching activated by LED, if it is planned to make an all-ceramic restoration.

Keywords: LED, hydrogen peroxide, resin cement, shear bond strength.

Keywords

LED,hidrojen peroksit,rezin siman

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Details

Primary Language

Turkish

Subjects

Dentistry

Journal Section

Research Article

Authors

Merve Yıldırak This is me
0000-0001-6974-1534

Rıfat Gözneli This is me
0000-0002-0582-9542

Publication Date

January 15, 2020

Submission Date

January 14, 2019

Acceptance Date

February 18, 2019

Published in Issue

Year 2020 Volume: 30 Number: 1

DOI

https://doi.org/10.17567/ataunidfd.528333

IZ

https://izlik.org/JA89SB45KR

Cite

RIS / Bibtex

APA

Yıldırak, M., & Gözneli, R. (2020). DİŞ BEYAZLATMA İŞLEMİNİN LİTYUM DİSİLİKAT SERAMİĞİN BAĞLANMA DAYANIMINA ETKİSİ. Atatürk Üniversitesi Diş Hekimliği Fakültesi Dergisi, 30(1), 113-121. https://doi.org/10.17567/ataunidfd.528333

AMA

1.Yıldırak M, Gözneli R. DİŞ BEYAZLATMA İŞLEMİNİN LİTYUM DİSİLİKAT SERAMİĞİN BAĞLANMA DAYANIMINA ETKİSİ. Atatürk Üniversitesi Diş Hekimliği Fakültesi Dergisi. 2020;30(1):113-121. doi:10.17567/ataunidfd.528333

Chicago

Yıldırak, Merve, and Rıfat Gözneli. 2020. “DİŞ BEYAZLATMA İŞLEMİNİN LİTYUM DİSİLİKAT SERAMİĞİN BAĞLANMA DAYANIMINA ETKİSİ”. Atatürk Üniversitesi Diş Hekimliği Fakültesi Dergisi 30 (1): 113-21. https://doi.org/10.17567/ataunidfd.528333.

EndNote

Yıldırak M, Gözneli R (January 1, 2020) DİŞ BEYAZLATMA İŞLEMİNİN LİTYUM DİSİLİKAT SERAMİĞİN BAĞLANMA DAYANIMINA ETKİSİ. Atatürk Üniversitesi Diş Hekimliği Fakültesi Dergisi 30 1 113–121.

IEEE

[1]M. Yıldırak and R. Gözneli, “DİŞ BEYAZLATMA İŞLEMİNİN LİTYUM DİSİLİKAT SERAMİĞİN BAĞLANMA DAYANIMINA ETKİSİ”, Atatürk Üniversitesi Diş Hekimliği Fakültesi Dergisi, vol. 30, no. 1, pp. 113–121, Jan. 2020, doi: 10.17567/ataunidfd.528333.

ISNAD

Yıldırak, Merve - Gözneli, Rıfat. “DİŞ BEYAZLATMA İŞLEMİNİN LİTYUM DİSİLİKAT SERAMİĞİN BAĞLANMA DAYANIMINA ETKİSİ”. Atatürk Üniversitesi Diş Hekimliği Fakültesi Dergisi 30/1 (January 1, 2020): 113-121. https://doi.org/10.17567/ataunidfd.528333.

JAMA

1.Yıldırak M, Gözneli R. DİŞ BEYAZLATMA İŞLEMİNİN LİTYUM DİSİLİKAT SERAMİĞİN BAĞLANMA DAYANIMINA ETKİSİ. Atatürk Üniversitesi Diş Hekimliği Fakültesi Dergisi. 2020;30:113–121.

MLA

Yıldırak, Merve, and Rıfat Gözneli. “DİŞ BEYAZLATMA İŞLEMİNİN LİTYUM DİSİLİKAT SERAMİĞİN BAĞLANMA DAYANIMINA ETKİSİ”. Atatürk Üniversitesi Diş Hekimliği Fakültesi Dergisi, vol. 30, no. 1, Jan. 2020, pp. 113-21, doi:10.17567/ataunidfd.528333.

Vancouver

1.Merve Yıldırak, Rıfat Gözneli. DİŞ BEYAZLATMA İŞLEMİNİN LİTYUM DİSİLİKAT SERAMİĞİN BAĞLANMA DAYANIMINA ETKİSİ. Atatürk Üniversitesi Diş Hekimliği Fakültesi Dergisi. 2020 Jan. 1;30(1):113-21. doi:10.17567/ataunidfd.528333