The Effect of Beverages and Polishing on Color Change of Different Temporary Prosthetic Materials: In Vitro Study

Year 2023, , 560 - 564, 25.12.2023

Ayşe Rençber Kızılkaya , Meltem Nermin Dursun

https://doi.org/10.15311/selcukdentj.1283984

Abstract

Objective: The aim of this study was to evaluate the effect of five different beverages and polishing on the color change of two different temporary prosthetic materials manufactured with different methods.
Method: 160 (10x2 mm) disc-shaped samples were fabricated using direct (Acrytemp)(n=80) and indirect (Imident) (n=80) temporary prosthetic materials. Samples prepared using molds were divided into four groups as polished (direct/indirect material) and unpolished (direct/indirect material) (n=40 each). After initial measurement of L,a,b values using a spectrophotometer, the samples in each group were immersed in five different beverages (distilled water (DW), coffee (CF), cola (CC), sour cherry juice (CJ), red wine (RW) (n=8) and stored for 7 days. Then, the spectrophotometric measurements of the samples were repeated and the color change (ΔE00) values were calculated. Data were analyzed using a three-way-ANOVA followed by post hoc Tukey HSD test (p=0.05).
Results: Greater color change was observed in the direct temporary material (p<0.05). A statistically significant difference was found between polished and unpolished samples (p<0.05). There was no significant difference between indirect and direct temporary materials in terms of discoloration in the CC and DW groups (p>0.05). Indirect temporary material exhibited less color change than their direct counterparts in the RW, CJ, CF groups (p<0.05). Less color change was observed in the polished groups (except DW) in direct temporary materials (p<0.05). Color change values were lower in the CC and DW groups compared to CF group (p<0.05). Comparing the direct temporary material groups, the greatest color change value was found in the RW group (p<0.05).
Conclusion: Although variations in color change can be observed depending on the contents of the temporary materials and the beverages utilized, surface polishing of the material contributes to a reduction in color change.
Keywords: Bis-acryl, Color stability, Polishing, Polymethylmethacrylate, Temporary prosthetic materials

Keywords

Temporary prosthetic materials, Bis-acryl, Polymethylmethacrylate, Color stability, Polishing.

İçeceklerin ve Polisajın Farklı Geçici Protetik Materyallerin Renk Değişimine Etkisi: İn Vitro Çalışma

Abstract

Amaç: Bu çalışmanın amacı, yapım teknikleri farklılık gösteren iki geçici protetik materyal üzerinde beş farklı içeceğin ve polisajın renk değişimine olan etkisini değerlendirmektir.
Yöntem: 160 adet (10x2 mm) disk şeklinde numune, direk (Acrytemp) (n=80) ve indirek (Imident) (n=80) geçici protetik materyaller kullanılarak elde edildi. Kalıp kullanılarak hazırlanan numuneler, polisaj işlemi uygulanan ve uygulanmayan olarak iki ayrı gruba bölündü(n=40). İlk L, a, b değerleri bir spektrofotometre kullanılarak ölçüldükten sonra, numuneler beş farklı içeceğe (distile su (DW), kahve (CF), cola (CC), vişne suyu (CJ), kırmızı şarap (RW)) daldırıldı ve bir hafta süre ile bekletildi. Ardından numunelerin spektrofotometrik ölçümleri tekrarlandı ve renk değişimi (∆E00) değerleri belirlendi. Verilerin analizleri üç yönlü ANOVA ve ardından post hoc Tukey HSD testleri ile yapıldı (p=0.05).
Bulgular: Direk geçici materyalde daha belirgin bir renk değişimi gözlendi (p<0.05). Polisaj uygulanan ve uygulanmayan numuneler arasında önemli farklılık bulundu (p<0.05). CC ve DW gruplarında, direk ve indirek geçici materyaller arasında anlamlı bir farklılık bulunmadı (p>0.05). RW, CF, CJ gruplarında, indirek geçici materyal direk geçici materyalden daha az renk değişim değeri gösterdi (p<0.05). Direk geçici materyallerde DW hariç, polisaj uygulanan gruplarda daha az renk değişimi bulundu (p<0.05). CC ve DW gruplarında, CF grubuna göre daha düşük renk değişimi değerleri izlendi (p<0.05). Direk geçici materyaller karşılaştırıldığı zaman, RW grubunun renk değişim değeri en yüksek bulundu (p<0.05).
Sonuç: Geçici materyallerin yapım tekniklerine ve kullanılan içeceklere bağlı olarak meydana gelen renk değişiminde farklılıklar izlense de materyalin yüzeyine polisaj uygulanması renk değişiminin azalmasına yönelik katkıda bulunmaktadır.
Anahtar Kelimeler: Geçici protetik materyaller, Bis-akril, Polimetilmetakrilat, Renk stabilitesi, Polisaj.

Keywords

Geçici protetik materyaller, Bis-akril, Polimetilmetakrilat, Renk stabilitesi, Polisaj.

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