Turkiye Klinikleri Journal of Dental Sciences

.: ORIGINAL RESEARCH
Farklı Kalınlıktaki Biyoaktif Rezin Materyalin Optik Özelliklerinin Araştırılması: İn Vitro Çalışma
Investigation of Optical Properties of a Bioactive Resin Material in Different Thickness: An In Vitro Study
Seda Nur KARAKAŞa , Cihan KÜDENb
aÇukurova Üniversitesi Diş Hekimliği Fakültesi, Restoratif Diş Tedavisi ABD, Adana, Türkiye
bÇukurova Üniversitesi Diş Hekimliği Fakültesi, Endodonti ABD, Adana, Türkiye
Turkiye Klinikleri J Dental Sci. 2023;29(3):481-90
doi: 10.5336/dentalsci.2022-94383
Article Language: TR
Full Text
ÖZET
 Amaç: Bu çalışma farklı kalınlıklardaki biyoaktif restoratif materyalin (ACTIVA), polimerizasyon ve yapay tükürükte yaşlandırma sonrası renk değişimi ve optik özelliklerini anterior ve posterior kompozit rezinlerle karşılaştırmıştır. Gereç ve Yöntemler: ACTIVA (AC) ve G-aenial anterior (GCa) ve G-aenial Posterior (GCp) kompozit rezin örnekleri, 10 mm çapında, 1- ve 2-mm kalınlığında altı grup (n=10) olarak hazırlandı. Grupların renk parametreleri bir spektrofotometre ile ölçüldü. Polimerizasyon ve yapay tükürükte yaşlandırılma sonrası renk değişimi ve translüsentlik parametresi (TP) CIEDE2000 formülü kullanılarak bulundu. Ayrıca kontrast oranı [contrast ratio (CR)] hesaplandı. Veriler tek yönlü ANOVA ve post-hoc Tukey testleri ile analiz edildi (α=0,05). Bulgular: Polimerizasyon sonrası tüm grupların rengi önemli ölçüde değişti (p<0,001). GCp grubu hariç diğer gruplar her iki materyal kalınlığı için 7 ve 14 gün yaşlandırma sonrasında kabul edilebilirlik eşiğinin (1,8) altında renk değişimi gösterdiler. Materyal kalınlığı AC ve GCp grubunun renk değişimini önemli ölçüde etkilemiştir (p<0,05). Kalınlık 1 mm olan gruplar arasında tüm ölçüm zamanları için en düşük TP değeri AC ve en yüksek GCp gruplarında izlendi (p<0,05). Kalınlık 1 mm grupları için CR değerleri TP değerleri tamamen ters orantılıydı. Sonuç: Materyal kalınlığı AC'nin yaşlandırma sonrası renk değişiminde önemlidir. Polimerizasyon ve yaşlandırma sonrasında AC, GCa'ya göre daha fazla renk değişimi göstermiştir, ancak GCp'ye göre daha stabildir. Bununla birlikte AC, kompozit gruplarına göre daha az TP ve daha yüksek CR değerlerine sahiptir.

Anahtar Kelimeler: ACTIVA bioaktif-restoratif; renk; polimerizasyon; spektrofotometre
ABSTRACT
 Objective: This study compared the color change and optical properties of bioactive restorative material (ACTIVA) set at the different thicknesses with anterior and posterior composite resins after polymerization, and aging in artificial saliva. Material and Methods: The samples of ACTIVA (AC), and G-aenial anterior (GCa) and G-aenial Posterior (GCp) composite resins were prepared in 6 groups (n=10) with a diameter of 10 mm and thicknesses of 1- and 2-mm. The color parameters of the groups were measured with a spectrophotometer. The color change and translucency parameter (TP) after polymerization, and aging in artificial saliva were found using the CIEDE2000 formula. In addition, the contrast ratio (CR) was calculated. The data were analyzed with one-way ANOVA and post-hoc Tukey tests (α=0.05). Results: The color of all groups changed significantly after polymerization (p<0.001). Except the GCp group, the other groups showed color change below the acceptability threshold (1.8) after 7 and 14 days of aging for both material thicknesses. Material thickness significantly affected the color change of AC and GCp groups (p<0.05). Among the groups with 1 mm thickness, the lowest TP value was observed in the AC and the highest GCp groups for all measurement times (p<0.05). The CR values for the thickness 1 mm groups were completely inversely proportional to the TP values. Conclusion: The material thickness is important in the color change of AC after aging. After polymerization and aging, AC showed more color change than GCa but more stable than GCp. However, AC has lower TP and higher CR values than composite groups.

Keywords: ACTIVA bioactive-restorative; color; polymerization; spectrophotometry
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