Search for: [Abstract = "estigations were performed during eleven days. Measurements of fluoride ions concentration were done with a fluoride ion specific electrode Orion in corporation with laboratory equipment CX – 741 Elmetron. Each day before measurements the electrode was calibrated in fresh prepared standard solutions. Concentration, mass, mechanism and fluoride release velocity were measured after 4 h, 24\-28 h, 50 h, 74 h, 122 h, 170 h, 217 h, 241 h counting from the moment of submerging fillings in artificial saliva. Finishing the value pH of artificial saliva solutions where were located tested materials were evaluated. The results of the research\: The results of investigations showed\: The concentration of fluoride ions in solution increases with time. Fluorides were released into artificial saliva solution in similar concentrations and similar way from both filling materials. The mass of released fluoride ions was essential different after nine days continuous investigations of compomer material and glass ionomer cement. During the first five days the quantity of released fluoride from glassionomer cement quickly increased in comparison to compomer material and next in ninth day quickly decreased. In the case of compomer material the mass released fluoride ions during entirely investigation period slowly, increased though area of both tested materials were equal. The pattern of fluori"]

Number of results: 1