Turkiye Klinikleri Journal of Dental Sciences

.: ORIGINAL RESEARCH
Üç Boyutlu Yazıcılarda Kullanılan İki Farklı Reçine Materyalinde Farklı Polimerizasyon Cihazlarının Yüzey Sertliğine Etkisi: İn Vitro Çalışma
Effect of Different Polymerization Devices on Surface Hardness of Two Different Resin Materials Used in Three-Dimensional Printers: An In Vitro Study
Periş ÇELİKELa , Fatih ŞENGÜLa , Murat BÜYÜKSEFİLa , Nazlı ASLAN İNCEa , Sera ŞİMŞEK DERELİOĞLUa
aAtatürk Üniversitesi Diş Hekimliği Fakültesi, Çocuk Diş Hekimliği ABD, Erzurum, Türkiye
Turkiye Klinikleri J Dental Sci. 2024;30(1):67-73
doi: 10.5336/dentalsci.2023-98845
Article Language: TR
Full Text
ÖZET
 Amaç: Son yıllarda konvansiyonel üretimden farklı olarak daha hızlı ve düşük maliyetli üretim imkanı sunan 3 boyutlu yazıcılarda kullanılan geçici ve daimi kuron materyallerinin üretici firmanın önerisi dışında farklı polimerizasyon süresi ve yöntemi hakkında literatürde sınırlı veri ve çalışma mevcuttur. Bu çalışmada, 3 boyutlu baskılı metakrilik asit ester bazlı geçici ve daimi kuron reçinelerin farklı yöntemlerle sertleşme protokollerinin Vickers sertlik değeri üzerindeki etkisinin değerlendirilmesi amaçlanmıştır. Gereç ve Yöntemler: Çalışmada VarseoSmile Crown Plus (VSC, n=90) ve VarseoSmile Temp (VST, n=90) materyallerinden stereolitografi formatında disk şeklinde (ø: 8 mm, kalınlık: 2 mm) 3 boyutlu çıktılar (n=180) elde edilmiştir. Daha sonra diskler Otoflash, Valo Cordless ve Labolight LV-III cihazlarında üretici firma önerilerine uygun olarak polimerize edilmek üzere randomize şekilde 3 gruba ayrılmıştır. Elde edilen disklerin Vickers yüzey sertlikleri hesaplandıktan sonra tek yönlü varyans analizi ve ''post hoc'' Duncan testleri kullanılarak istatistiksel değerlendirme yapılmıştır (p<0,05). Bulgular: En yüksek yüzey sertlik değeri VSC'nin Bego-Otoflash ve Valo ışık cihazı kullanılarak polimerize edildiği gruplarda gözlenmiş olup, bu gruplar arasında istatistiksel olarak anlamlı farklılık bulunmamıştır (p>0,05). Ancak diğer grupların yüzey sertlik değerleri arasındaki farklılık istatistiksel olarak anlamlı bulunmuştur (p<0,01). Sonuç: VSC ve VST esaslı 3 boyutlu kuron materyallerinin bu reçineler kullanılarak tamir edildiğinde polimerizasyon amacıyla üretici firmanın önerdiği Otoflash cihazı yerine Valo ışık cihazının kullanılması benzer dayanıklılıkla sonuçlanacaktır.

Anahtar Kelimeler: Kuron; polimerizasyon; sağlamlık testleri
ABSTRACT
 Objective: Except for the manufacturer's instructions, there are limited data and studies about different polymerization times and methods of temporary and permanent crown materials produced by 3D printers, which offer faster and less expensive production options than conventional production. The aim of this study was to evaluate the effect of different polymerization methods on the Vickers hardness value of three-dimensional printed methacrylic acid ester-based temporary and permanent crown resins. Material and Methods: In the study, threedimensional printouts (n=180) were obtained from VarseoSmile Crown Plus (VSC, n=90) and VarseoSmile Temp (VST, n=90) materials in the form of disks (ø: 8 mm, thickness: 2 mm) in standard tessellation language format. The discs were then randomly divided into 3 groups to be polymerized in Autoflash, Valo Cordless and Labolight LV-III devices in accordance with the manufacturer's instructions. After calculating the Vickers surface hardness of the obtained disks, statistical evaluation was performed using one-way analysis of variance and post-hoc Duncan tests (p<0.05). Results: The highest surface hardness value was observed in the groups where VSC was polymerized using Bego-Otoflash and Valo light device and there was no statistically significant difference between these groups (p>0.05). However, the difference between the surface hardness values of the other groups was statistically significant (p<0.01). Conclusion: Using the Valo light device instead of the manufacturer's recommended Autoflash device for polymerization of the repaired VSC and VST based three-dimensional crown materials will result in same durability values.

Keywords: Crown; polymerization; hardness tests
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