Microleakage of intermediate restorative materials.

Area of Science:

• Dental Materials Science
• Restorative Dentistry
• Biomaterials

Background:

• Dental restorative materials are crucial for tooth integrity.
• Microleakage at the tooth-restoration interface can lead to secondary caries and pulpal issues.
• Evaluating new and existing materials for sealing ability is essential.

Purpose of the Study:

• To compare the microleakage of Ketac Fil (glass ionomer cement) without cavity conditioning against Cavit-W and Kalzinol (reinforced zinc oxide-eugenol cement).
• To assess the effectiveness of cavity conditioning when using Ketac Fil.

Main Methods:

• Microleakage was quantified using an electrochemical technique over 30 days.
• Four groups were tested: Cavit-W, Ketac Fil without conditioning, Kalzinol, and Ketac Fil with conditioning (control).

Main Results:

• Materials ranked by decreasing microleakage: Cavit-W, Ketac Fil (no conditioning), Kalzinol, Ketac Fil (conditioning).
• No significant difference in microleakage between Ketac Fil (no conditioning) and Kalzinol (p=0.450).
• Significant differences observed between other groups (p<0.001).

Conclusions:

• Ketac Fil used without cavity conditioning demonstrates comparable microleakage to Kalzinol.
• Cavity conditioning enhances the sealing ability of Ketac Fil restorations.
• Cavit-W exhibited the highest microleakage among the tested materials.