Determination of fluoride release from light-cured glass-ionomers and a fluoridated composite resin from the viewpoint of curing time


ULUKAPI H. , Benderli Y. , SOYMAN M.

JOURNAL OF ORAL REHABILITATION, cilt.23, ss.197-201, 1996 (SCI İndekslerine Giren Dergi) identifier identifier identifier

  • Cilt numarası: 23 Konu: 3
  • Basım Tarihi: 1996
  • Doi Numarası: 10.1111/j.1365-2842.1996.tb01233.x
  • Dergi Adı: JOURNAL OF ORAL REHABILITATION
  • Sayfa Sayıları: ss.197-201

Özet

The purpose of this study was to investigate the fluoride releasing pattern of several visible light-curing glass-ionomers and one fluoride-containing filling material, from the viewpoint of curing time. Standardized blocks of Time Line (Caulk-USA), XR-Ionomer (Kerr-USA), Vitrebond (3M-USA) and Heliomolar-Ro (Vivadent-Lichtenstein) were light cured for 20, 40 and 60 s, and then stored in deionized distilled water at 37 degrees C for 24, 48, 72 h and 7 days. The water was changed every day and measurements of the fluoride released from the materials were made daily. The results were compared statistically with the results obtained from Ketac-Bond (Espe-Germany) prepared in the same manner. The levels were highest for the first 24 h; in the following days they decreased rapidly. The fluoride-releasing patterns of all these materials were similar to each other. The fluoride release was the highest from XR-Ionomer, and the lowest from Heliomolar-RO. For Time Line glass-ionomer, the fluoride release from 20 s cured blocks was significantly higher than the fluoride release from 40 and 60 s cured blocks at the end of 1 week. It was observed that the fluoride release from Ketac-Bond was significantly lower than XR-Ionomer and VitreBond and higher than Time Line and Heliomolar-Ro.