Comparison of different resin-modified glass ionomer cements of water sorption and microleakage values used in pediatric dentistry

Öz

Purpose: The purpose of this in vitro study was to evaluate the amount of water sorption and microleakage of resin-modified glass ionomer cements used in the treatment of primary teeth. Material and Methods: For evaluate scores of microleakage of 4 different materials were used noncarious 60 extracted primary molar teeth. Teeth were randomly divided into 4 groups (n=15). Standard class II preparations (3x3x2 mm) were made in mesial and distal surfaces. All cavities were restored using one of four material (Photac–Fil Quick, Ionolux, Fuji II LC and Riva). After all teeth were subjected to thermocycling for 250 cycles, teeth were cut mesio-distal direction from the center of the restoration and scores of microleakage were determined using a microscope. For evaluate water sorption of materials were prepared 10 specimens of each material with 5 mm diameter and 2 mm thick. These specimens were stored in a desiccator for 1 hour at 23 ± 2º C and then 24 hours 37±1º and the weight of each sample was measured by sensitive balance. The specimens were stored in an incubator which contains distilled water at 37 ± 1º C’ for one week. Then the specimens were weighed again. Data were analyzed statistically by Analysis of Variance and Tukey HSD test. Results: Gingival leakage of Photac-Fil Quick and Riva specimens were found to be statistically higher than in other materials (p<0.05). Riva showed the highest water sorption value after 7 days (p<0.05). Conclusion: If the resin-modified glass ionomer cement can use in the treatment of primary teeth, the use of Fuji II LC with the lowest values of water sorption and microleakage may be prefer.

Anahtar Kelimeler

• Microleakage, resin-modified glassionomer cement, water sorption

Çocuk diş hekimliğinde kullanılan farklı rezin modifiye cam iyonomer simanların su emilimi ve mikrosızıntı değerlerinin karşılaştırılması

Öz

Amaç: Bu in-vitro çalışmanın amacı, süt dişlerinin tedavisinde kullanılan rezin modifiye cam iyonomer simanların su emilimi ve mikrosızıntı miktarlarını değerlendirmektir. Gereç ve Yöntem: 4 farklı rezin modifiye cam ionomer simanın mikrosızıntı değerlerinin değerlendirilmesi amacıyla çekilmiş çürüksüz 60 süt azı dişi kullanıldı. Dişler rastgele 4 gruba ayrıldı (n=15). Mezial ve distal yüzeylere standart sınıf II kaviteler (3x3x2 mm) açıldı. Kaviteler dört materyalden biriyle restore edildi (Photac–Fil Quick, Ionolux, Fuji II LC ve Riva). 250 tur termal siklus işleminin ardından dişler restorasyon merkezinden mesio-distal yönde kesildi ve mikrosızıntı seviyeleri mikroskopla belirlendi. Materyallerin su emiliminin değerlendirilmesi amacıyla 5 mm çapında 2 mm yüksekliğinde 10’ar adet örnek hazırlandı. Örnekler desikatör içerisine yerleştirilerek 1 saat 23 ± 2º C’de, daha sonra 24 saat 37 ± 1º C’de bekletildi ve bu süre sonunda her örneğin ağırlığı hassas terazi ile ölçüldü. Aynı örnekler daha sonra distile suda 37 ± 1º C’de bir hafta bekletildikten sonra tekrar tartıldı. Elde edilen veriler Varyans analizi ve Tukey HSD testi ile istatistiksel olarak değerlendirildi. Bulgular: Photac–Fil Quick ve Riva örneklerinde gingival bölgedeki mikrosızıntının istatistiksel olarak diğer materyallere göre daha fazla olduğu tespit edildi (p<0,05). 7 gün sonra en yüksek su emilimi değerini Riva gösterdi (p<0,05). Sonuç: Süt dişlerinin tedavisinde rezin modifiye cam iyonomer simanlar kullanılacaksa en düşük su emilimi ve mikro sızıntı değerlerine sahip Fuji II LC kullanılması tercih edilebilir.

Anahtar Kelimeler

• Mikrosızıntı, rezin modifiye cam iyonomer siman, su emilimi

Kaynakça

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