EFFECTS OF DIFFERENT DRINKS ON COLOR STABILITY OF TOOTH-COLORED RESTORATIVE MATERIALS

Öz

Aim: The aim of this in vitro study was to evaluate the color stability of three different tooth-colored restorative materials (a microhybrid resin composite [Charisma [Heraeus-Kulzer] , a nanohybrid resin composite [Ice [SDI] and an enhanced resin modified glass ionomer cement [ACTIVA Restorative [Pulpdent]) after immersion in five different staining solutions (tea, coffee, cola, red wine and distilled water).

Material and Methods:45 cylindirical specimens of 5 mm in diameter and 2 mm in thickness of each restorative material (totally 135 specimens) were prepared using a plexiglass mold. After immersion of all specimens in distilled water for 24 hours, first color measurements were obtained using a spectrophotometer. After first color measurements, specimens were randomly divided into five groups (n=9) and stored in five different staining solutions for 28 days. Solutions were refreshed daily during the test period and second color measurements were obtained at the end of study. The color changes(ΔE) were calculated and were statistically analyzed using Kruskal-Wallis Test.

Results: ΔE values of tested materials were ranged between 0.63 and 27.55 after 28 days of immersion in the staining solutions. For all tested materials the highest ΔE values were obtained when specimens immersed in red wine. Red wine, coffee and tea caused significant color change in all tested materials.  Color of restorative materials immersed in distilled water didn’t change sinificantly after 28 days test period.

Conclusion:Long term exposure to red wine, coffee and tea can affect color stability of tested restorative materials.

Keywords:Microhybrid composite, nanohybrid composite, enhanced resin modified glass ionomer cement, color stability.

Anahtar Kelimeler

• Microhybrid composite,nanohybrid composite,enhanced resin modified glass ionomer cement,staining

Farklı İçeceklerin Diş Rengindeki Restoratif Materyallerin Renk Stabiliteleri Üzerine Etkisi

Öz

             Amaç: Bu in vitro çalışmanın amacı üç farklı diş rengindeki restoratif materyalin (bir mikrohibrit kompozit rezin [Charisma [Heraeus-Kulzer] , bir nanohibrit kompozit rezin [Ice [SDI] ve bir geliştirilmiş rezin modifiye cam iyonomer siman [ACTIVA Restoratif [Pulpdent]) beş farklı renklendirici solüsyon (çay, kahve, kola, kırmızı şarap ve distile su) içinde bekletilmesi sonrası renk stabilitelerinin değerlendirilmesidir.

            Gereç ve Yöntem:Her restoratif materyalden bir plastik kalıp kullanılarak 5 mm çapında ve 2 mm kalınlığında 45 silindir şekilli örnek (toplam 135 örnek) hazırlanmıştır. Bütün örnekler distile suda 24 saat bekletildikten sonra ilk renk ölçümleri bir spektrofotometre kullanılarak gerçekleştirildi. İlk renk ölçümlerinden sonra örnekler rastgele beş gruba ayrıldı (n=9) ve beş farklı renklendirici solüsyonda 28 gün boyunca bekletildi. Test periyodu süresince solüsyonlar hergün yenilendi ve ikinci renk ölçümleri araştırmanın sonunda alındı. Renk değişimleri (ΔE) hesaplandı ve Kruskal-Wallis Testi kullanılarak istatistiksel olarak analiz edildi.

            Bulgular:28 gün renklendirici solüsyonlarda bekletme sonrası test edilen materyallerin ΔE değerleri 0.63 ile 27.55 arasında değişmekteydi. Test edilen bütün materyaller için en yüksek ΔE değerleri örnekler kırmızı şarapta bekletildiğinde elde edildi. Kırmızı şarap, kahve ve çay bütün test edilen materyallerde anlamlı derecede renk değişimine neden oldu. Distile suda bekletilen restoratif materyallerin rengi 28 günlük test süresi sonunda anlamlı derecede değişmemiştir.

            Sonuç: Kırmızı şarap, kahve ve çaya uzun süreli maruz kalma, test edilen restoratif materyallerin renk stabilitelerini etkileyebilmektedir.

 

 

 

Anahtar Kelimeler

• mikrohibrit kompozit, nanohibrit kompozit,geliştirilmiş rezin modifiye cam iyonomer siman,renklenme.

Kaynakça

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