SHEAR BOND STRENGTH OF CHAIRSIDE CAD-CAM BLOCKS TO ERODED DENTIN

Pınar Naiboğlu; Tuğba Serin Kalay; Elif Aydoğan Ayaz

doi:10.7126/cumudj.1094553

EN TR

SHEAR BOND STRENGTH OF CHAIRSIDE CAD-CAM BLOCKS TO ERODED DENTIN

Abstract

Objectives: To assess the shear bond strength (SBS) of chairside computer-aided design and computer-aided manufacturing (CAD-CAM) blocks to dentin subjected to simulated gastric erosion when cemented with self-etch and self-adhesive resin cements. Materials and Methods: One hundred eighty dentin samples were assigned to two groups: sound and eroded dentin. In the eroded dentin group, samples were eroded with HCl (0.01 M, pH 2, 2 min) and stored in artificial saliva for 60 min then, brushed using a power brush (2N, 15 s). This cycle was repeated three times. CAD-CAM blocks (3x3x3 mm3, n=15/group) of Lava Ultimate (LU), Vita Enamic (VE), and Vita Suprinity (VS) were cemented to sound and eroded dentin with self-etch Multilink N (MN) and self-adhesive RelyX U200 Automix (RU) resin cements. SBS was measured after 24 hours. The failure mode was assessed by using a stereomicroscope. Data was analyzed with 3-way ANOVA and Bonferroni correction (p˂0.05). Results: The SBS was significantly affected by the main factors: tooth structure (p=0.011), resin cements (p˂0.001), and CAD-CAM blocks (p=0.001). When LU was cemented with RU to sound dentin, a higher SBS was obtained compared to eroded dentin (p=0.001). MN revealed significantly higher SBS than RU (p<0.05). When using MN in sound dentin LU showed lower bond strength than VE and VS (p<0.05). The predominant failure mode was mixed for all groups. Conclusions: It was determined that the bond strength of dentin was affected by simulated gastric erosion. The use of Multilink N resin cement in both sound and eroded dentin can be recommended. For a reliable bond to eroded dentin, selection of the proper cement system and material type are necessary.

Keywords

HASTABAŞI CAD-CAM BLOKLARIN EROZE DENTİNE MAKASLAMA BAĞLANMA DAYANIMI

Öz

Amaç: Bu çalışmada hastabaşı bilgisayar destekli tasarım-bilgisayar destekli üretim (CAD-CAM) bloklarının self-etch ve self-adeziv rezin simanlar kullanılarak gastrik erozyona uğratılmış dentine olan makaslama bağlanma dayanımlarının değerlendirilmesi amaçlanmıştır. Gereç ve Yöntemler: Yüz seksen dentin örneği sağlam dentin ve eroze dentin olmak üzere iki gruba ayrılmıştır. Eroze dentin grubunda örnekler HCI (0,01 M, pH 2, 2 dk) ile erozyona uğratılmış ve 60 dk yapay tükrükte bekletilmiş, sonrasında, elektrikli diş fırçası kullanılarak (2N, 15 s) fırçalanmıştır. Bu döngü üç kere tekrar edilmiştir. Lava Ultimate (LU), Vita Enamic (VE) ve Vita Suprinity (VS) CAD-CAM blokları (3x3x3 mm3, n=15/grup) self-etch Multilink N (MN) ve self-adeziv RelyX U200 Automix (RU) rezin simanları kullanılarak sağlam ve eroze dentin örneklerine simante edilmiştir. Makaslama bağlanma dayanımı 24 saat sonra ölçülmüştür. Başarısızlık tipi stereomikroskop kullanılarak değerlendirilmiştir. Veriler üç-yönlü ANOVA ve Bonferroni düzeltmesi kullanılarak analiz edilmiştir (p˂0,05). Bulgular: Makaslama bağlanma dayanımı ana faktörlerden önemli ölçüde etkilenmiştir: diş yapısı (p=0,011), rezin simanlar (p˂0,001) ve CAD-CAM bloklar (p=0,001). LU sağlam dentine RU ile simante edildiğinde, eroze dentinle karşılaştırıldığında daha yüksek bağlanma dayanımı elde edilmiştir (p=0,001). MN kullanıldığında, RU’dan daha yüksek bağlanma dayanımı değerleri elde edilmiştir (p<0,05). Sağlam dentinde MN kullanıldığında LU, VE ve VS’den daha düşük bağlanma dayanımı göstermiştir (p<0,05). Tüm gruplarda baskın olan başarısızlık tipi karma başarısızlık olarak belirlenmiştir. Sonuçlar: Dentinin bağlanma dayanımının gastrik erozyondan etkilendiği belirlenmiştir. Hem sağlam hem de eroze dentinde Multilink N rezin siman kullanımı önerilebilir. Eroze dentinde güvenilir bir bağlanma için uygun siman ve restoratif materyal seçimi gerekmektedir.

Anahtar Kelimeler

Supporting Institution

This study is based on a thesis and supported by Karadeniz Technical University Coordination Unit of Scientific Research Project No. 2018.7670.

Project Number

Project No. 2018.7670

Thanks

The authors thank Prof. Dr. Tamer Tuzuner for providing statistical advice and assistance in this study.

References

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Details

Primary Language

English

Subjects

Health Care Administration

Journal Section

Research Article

Authors

Pınar Naiboğlu
0000-0001-7440-0320
Türkiye

Tuğba Serin Kalay ^*
0000-0003-1197-4858
Türkiye

Elif Aydoğan Ayaz
0000-0002-9577-5700
Türkiye

Publication Date

June 30, 2022

Submission Date

March 28, 2022

Acceptance Date

June 14, 2022

Published in Issue

Year 2022 Volume: 25 Number: 2

DOI

https://doi.org/10.7126/cumudj.1094553

IZ

https://izlik.org/JA87BG77EE

Cite

RIS / Bibtex

EndNote

Naiboğlu P, Serin Kalay T, Aydoğan Ayaz E (June 1, 2022) SHEAR BOND STRENGTH OF CHAIRSIDE CAD-CAM BLOCKS TO ERODED DENTIN. Cumhuriyet Dental Journal 25 2 156–162.

Cited By

Shear Bond Strength of Self-Adhesive and Self-Etching Resin Cements to Dentin for Indirect Restorations

Journal of Functional Biomaterials

https://doi.org/10.3390/jfb16080289