FARKLI ZAMAN PERİYOTLARI İLE UYGULANAN GECE KORUYUCULU VİTAL BEYAZLATMA AJANININ GİOMER RESTORATİFLERİN YÜZEY PÜRÜZLÜLÜĞÜ ÜZERİNE ETKİSİ

Year 2018, Volume: 28 Issue: 4, 462 - 468, 14.10.2018

Dilan Kara Neslihan Tekçe , Aslıhan Koçak Emre Özel

https://doi.org/10.17567/ataunidfd.473719

Abstract

Amaç: Bu çalışmanın amacı, farklı zaman periyotları ile uygulanan gece
koruyuculu beyazlatma ajanının üç posterior restoratif materyalin yüzey pürüzlülüğü
üzerine etkisini incelemektir

Gereç ve Yöntem: Üç farklı tipte posterior restoratif materyalden [Beautifil-Bulk Restorative (giomer bulk-fill), Beautifil II (giomer posterior) ve Aelite LS Poste- rior (hibrit kompozit rezin)] toplam 90 adet kompozit rezin (disk örneği (8 mm çapında, 2 mm kalınlıkta) hazırlanmıştır (n=30). Her bir materyal %16 karbamid peroksit ağartma maddesi içeren Opalescence PF’nin disklere uygulama prosedürlerine göre üç alt gruba ayrılmıştır (n=10). Grup-1: başlangıç ölçümleri; Grup-2: 7 gün boyunca günde 4 saat %16 Opalescence PF uygulaması; Grup-3: 7 gün boyunca günde 6 saat % 16 Opalescence PF uygulaması. Grupların yüzey pürüz- lülük ölçümleri 24 saat ve 1 hafta sonunda profilo- metre (Ra, mm) ile yapılmıştır. Veriler, iki yönlü var- yans analizi (ANOVA) ve Tukey's HSD post-hoc testi ile istatistiksel olarak analiz edilmiştir (p<0.05).

Bulgular: Başlangıç zaman diliminde, Aelite LS Poste- rior (0.87 Ra),
Beautifil-Bulk Restorative (0.70 Ra) ve Beautifil II (0.65 Ra) materyallerinin
yüzey pürüzlülük değerleri istatistiksel olarak benzer
bulunmuştur (p>0.05). Grup-2 ve Grup-3'te de bu üç materyalin yü- zey
pürüzlülük değerleri benzerdir. Fakat, Beautifil II’ye 7 gün boyunca 6 saat %16
Opalescence PF uygulaması sonrasında yüzey pürüzlülüğü önemli düzeyde artmıştır
(0.65 Ra’dan 0.95 Ra’ya) (p <0.05).

Sonuç: Beautifil-Bulk Restorative ve Aelite LS Posterior,
uygulanan test periyotları boyunca yüzey pürüzlülük değişimlerine karşı
stabildir. Fakat, Beautifil II’nin %16 Opalescence PF’nin bir hafta boyunca
günde 6 saat uygulanmasından sonra yüzey pürüzlülük değerleri ciddi oranda
artmıştır.

Anahtar Kelimeler: Beyazlatma, giomer

THE EFFECT OF
NIGHT-GUARD VITAL BLEACHING AGENT WITH DIFFERENT TIMING PERIODS ON SURFACE
ROUGHNESS OF GIOMER RESTORATIVES

Aim: The aim of this study was to
examine the effect of night-guard vital bleaching agent with different timing
periods on the surface roughness of three posterior restoratives.

Material and Methods: A total of 90
composite resin disc specimens (8 mm in diameter, 2 mm in thickness) were
prepared from three different types of restoratives [Beautifil-Bulk Restorative (giomer bulk-fill),
Beautifil II (giomer posterior) ve Aelite LS Posterior (hybrid resin composite)] (n=30). Each group
was divided into three subgroups according to application procedures of 16%
carbamide peroxide Opalescence PF bleaching agent (n=10). Group-1: baseline
measurements; Group-2: 4 hours/day for 7-day;
Group-3: 6 hours/day for 7-day. Measurements were conducted at 24-h and
1 week using a profilometer (Ra, mm). The values were
statistically analysed with two ANOVA and Tukey’s HSD post-hoc test
(p<0,05).

Results: At baseline, surface roughness
values of Aelite LS Posterior (0.87 Ra), Beautifil-Bulk Restorative (0.70 Ra)
and Beautifil II (0.65 Ra) were found statistically similar (p>0.05). Surface roughness values of these three materials also were found
statistically similar for Group-2 and Group-3. However, the values increased
significantly for Beautifil II (0.65 Ra to 0.95 Ra) after bleaching agent
application for 6 hours per day along 7-day (p<0.05).

Conclusion: Beautifil-Bulk Restorative and
Aelite LS Posterior are durable against surface roughness changes in the
following test periods. However, surface roughness values of Beautifil II
increase significantly after using 16% Opalescence PF 6 hours per day for one
week.

Keywords: Bleaching, giomer, surface roughness

Keywords

Beyazlatma, giomer

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