The effect of composite finishing and polishing procedures on primary tooth pulp temperature change

Öz

Purpose: The purpose of this study was to evaluate the effect of different finishing and polishing systems on intrapulpal temperature of primary teeth assessed using a pulpal blood microcirculation model. Materials and Methods: 10 sound human maxillary second primary molars used. Standardized Class V cavity preparations were performed with dentin thickness of 1 mm and restored with composite resin. The teeth divided into 6 groups with same ten samples in each group: Enhance finishing cup, Enhance PoGo polishing cup, Sof-Lex spiral finishing wheel, Sof-Lex spiral polishing wheel, Super-Snap Rainbow finishing disc, Super-Snap Rainbow super-polishing disc (n=10 per group). These 3 finishing and 3 polishing tips were applied to the restorations on the teeth with a force of 0.4 N, at a speed of 10 000 rpm for 10 seconds with the help of a slow-speed handpiece and a micromotor. The highest temperature increase were measured and noted. Results: The highest temperature rises was seen in the Enhance finishing cup and Sof-Lex spiral finishing wheel groups with 2.3 ° C, and the lowest temperature measurement was in the Super-Snap Rainbow Super-Polishing Disc group with 1.1 ° C. Super-Snap Rainbow super-polishing disc group demonstrated significantly lower mean values in comparison with all finishing groups and Sof-Lex spiral polishing wheel. None of the groups exceeded the critical intrapulpal temperature increase of 5.6 ° C that causes irreversible damage. Conclusion: Under these study conditions, it can be suggested that the temperature increase effects of dry applied finishing and polishing systems on primary teeth pulps are within safe limits.

Anahtar Kelimeler

• Pulp temperature
• Primary teeth
• Polishing methods
• Finishing methods
• Pulp microcirculation

Kompozit bitirme ve cilalama işlemlerinin süt dişi pulpal sıcaklık değişimine etkisi

Öz

Amaç: Çalışmanın amacı, farklı bitirme ve cilalama sistemlerinin süt dişi intrapulpal sıcaklık artışı üzerindeki etkilerini, bir pulpal kan mikrosirkülasyon modeli yardımıyla değerlendirmektir. Gereç ve Yöntem: Çalışma için 10 sağlam insan üst ikinci süt azı dişi kullanıldı. 1 mm dentin kalınlığı kalacak şekilde standardize sınıf V kaviteler hazırlandı ve kompozit rezin ile restore edildi. Dişler, her grupta aynı 10 örnek olacak şekilde 6 gruba ayrıldı: Enhance bitim silindiri, Enhance PoGo cilalama silindiri, Sof-Lex spiral bitim lastiği, Sof-Lex spiral cilalama lastiği, Super-Snap Rainbow bitim diski, Super-Snap Rainbow süper-cilalama diski (n=10 her grup için). Bu 3 bitirme ve 3 cilalama ucu, 0,4 N güç, 10 000 rpm hızda 10 sn boyunca düşük hızda el aleti ve mikromotor yardımıyla dişlerin üzerindeki restorasyonlara uygulandı. En yüksek sıcaklıklar ölçüldü ve not edildi. Bulgular: En yüksek sıcaklık artışları, 2,3 ° C ile Enhance bitim silindiri ve Sof-Lex spiral bitim lastiği gruplarında, en düşük sıcaklık artışı ise 1,1 ° C ile Super-Snap Rainbow süper-cilalama diski grubunda görüldü. Super-Snap Rainbow süper-cilalama diski grubunun, her 3 bitim grubu ve Sof-Lex spiral cilalama lastiğine göre ortalama sıcaklık artışı anlamlı biçimde daha düşüktü. Hiç bir grup, geri dönüşümsüz hasara neden olan 5,6 ° C kritik pulpa içi sıcaklık artışı seviyesini geçmedi. Sonuç: Bu çalışmanın koşulları altında, kuru uygulanan bitirme ve cilalama sistemlerinin süt dişi pulpaları üzerindeki sıcaklık artışı etkilerinin güvenli sınırlarda olduğu söylenebilir.

Anahtar Kelimeler

• Pulpal sıcaklık
• Süt dişleri
• Cilalama metodları
• Bitirme metodları
• Pulpal mikrosirkülasyon

Kaynakça

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