Table 1: Materials used in the study
| Group | Restorative | Material type | Manufacturer | Batch no. | Shade | Date of | P/L | Type of | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| material | expiry | ratio | curing | |||||||||||||
| I | Shofu-FX | Glass ionomer | Shofu-Inc. | 0799 | Universal | June, 2003 | 2.8:1 | Self cure | ||||||||
| cement | Japan | |||||||||||||||
| II | Fuji-II-LC | Resin modified | GC Corp., | 6071 | A3 | June, 2002 | 3.2:1 | Light cure | ||||||||
| glass ionomer | Japan | |||||||||||||||
| cement | ||||||||||||||||
| III | Dyract (flow) | Polyacid modified | Dentsply | 6071 | A3 | March, 2001 | Syringe | Light cure | ||||||||
| composite resin | Detrey, | |||||||||||||||
| (compomer) | Germany | 911 | ||||||||||||||
| IV | Heliomolar | Composite | Vivadent | B 40700 | A2 | Oct., 2004 | Syringe | Light cure | ||||||||
| (Radiopaque) | Liechtenstein, | |||||||||||||||
| Germany | ||||||||||||||||