SİLİKON ESASLI YUMUŞAK ASTAR MATERYALLERİNDE BEKLETME SÜRELERİNİN SERTLİK VE SU EMİLİMİ ÜZERİNE ETKİSİ

Yıl 2018, Cilt: 28 Sayı: 4, 469 - 474, 14.10.2018

Faik Tuğut , M.emre Coşkun Türker Akar

https://doi.org/10.17567/ataunidfd.473726

Öz

Amaç:
Bu çalışmanın amacı, silikon esaslı
yumuşak astar materyalinin su içerisinde bekletme sürelerinin maddenin sertliği
ve su emilimi üzerine etkisini araştırmaktır.

Gereç ve Yöntem: Çalışmada silikon esaslı yumuşak
astar maddesi Permaflex ve aynı maddenin izobutil- metakrilat likit ilave
edilmiş formu kullanıldı. Yumuşak astar materyalleri üretici talimatlarına
uygun olarak su emilimi testleri için (10x10x1mm) boyutlarında, sertlik
testleri için ise (10x10mm) boyutlarında hazırlandı
ve 37
⁰C’lik su banyosu içerisinde bekletildi. 1. gün, 1. hafta, 1,3 ve 6 aylık süre zarflarında su emilim ve
Shore A sertlik değerleri ölçümleri gerçekleştirildi. Veriler Man Whitney U testi, Friedman testi ve Wilcoxon
testi kullanılarak belirlendi (α=0.05).

Bulgular: Sertlik değerleri bakımından, Permaflex
ve Permaflex+izobutilmetakrilat grupları arasında tüm za- man dilimleri
kıyaslandığında istatistiksel olarak anlamlı fark tespit edilmiştir
(p<0,05). Su emilim değerleri ara- sında da sadece 3. ay ölçümlerinde
istatistiksel olarak fark tespit edilmiştir (p<0,05). Permaflex grubunun su
emilim değeri Permaflex+izobutilmetakrilat
grubundan istatistiksel olarak anlamlı
derecede yüksek olarak tespit edilirken daha düşük sertlik değerine sahip
olduğu bulunmuştur. Suda bekletilme süreleri boyunca hem Permaflex hem de
Permaflex+izobutilmetakrilat gruplarının su emilim değerlerinde artış
görülürken, sertlik değerlerinde istatistiksel olarak önemli bir artış tespit
edilmemiştir.

Sonuç: İzobutilmetakrilat’ın ve farklı zaman
dilimlerin- de bekletmenin sertlik ve su emilimi açısından yumu- şak astar
maddesi üzerinde değişikliğe sebep olduğu belirlendi.

* Cumhuriyet Üniversitesi, Dişhekimliği Fakültesi, Protetik Diş Tedavisi AD, Sivas **Erzincan Üniversitesi, Diş Hekimliği Fakültesi, Protetik Diş Tedavisi AD, Erzincan

Anahtar Kelimeler: Yumuşak astar maddesi, izobutilmetakrilat, sertlik, su emilimi

THE EFFECT OF STORAGE TIMES ON THE HARDNESS AND WATER
SORPTION IN SILICONE-BASED SOFT LINING MATERIALS

Aim: The purpose of this research is to investigate the
effect of the storage times of silicone-based soft lining material in water on
hardness and water absorption of the material.

Material
and methods: In this study, silicone based soft denture liner Permaflex and
isobutylmethacrylate-added form of the same material were used. The soft denture liners were processed according to
manufac- turers’ instructions with the dimension (10x10x1mm) for water sorption
tests and (10x10mm) for hardness tests, and then put in water bath at 37 ⁰C. During the periods
of 1^st day, 1^st week, 1, 3 and 6 months, the measurements
of water absorption and Shore A hardness values were performed. Data were
evaluated using Man Whıtney U, Friedman and Wilcoxon tests (α=0.05).

Results:
Regarding
the hardness, a statistically signi-
ficant difference was obtained among all Permaflex and Permaflex+isobutylmethacrylate groups when comparing all
time periods (p<0,05). A statistically sig- nificant difference was also
found between the water absorption values only at the 3^rd month
measurements (p<0,05). In Permaflex group, water absorption value was
statistically higher and hardness values were sta- tistically lower compared to
Permaflex+ isobutylmet- hacrylate groups. While the water absorption values of
both Permaflex and Permaflex + isobutylmethacrylate groups increased during the
water holding periods, no statistically significant increase in hardness values
was found.

Conclusion:
It
has been determined that isobutylmethacrylate and storage in different time
periods cause a change in the soft lining material in terms of hardness and
water absorption.

 Keywords: Soft
lining materials, Isobutylmethacrylate, hardness, water sorption

Anahtar Kelimeler

Yumuşak astar maddesi, izobutilmetakrilat, sertlik

Kaynakça

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