Dental composites/glass ionomers: clinical reports

Area of Science:

• Dental Materials Science
• Biocompatibility Research
• Clinical Dentistry

Background:

• Clinical trials for dental composites and glass ionomers primarily assess factors like retention and wear, not extensive biological safety.
• Post-operative sensitivity is a common evaluation criterion, but it lacks a clear correlation with pulpal inflammation.

Purpose of the Study:

• To evaluate the biological safety and clinical performance of dental composites and glass ionomers.
• To assess the risk-benefit ratio of these widely used dental restorative materials.

Main Methods:

• Review of clinical trial data focusing on safety and efficacy.
• Analysis of toxicological studies, with a focus on pulpal reactions.
• Consideration of long-term clinical usage data spanning approximately 20 years.

Main Results:

• General clinical usage over two decades suggests a favorable benefit-to-risk ratio for both composites and glass ionomers.
• While some sensitivity complaints exist for specific glass-ionomer formulations, both material types are generally considered trouble-free.
• No evidence of short-term or long-term systemic or pulpal risks has been identified.

Conclusions:

• Dental composites and glass ionomers demonstrate a high degree of safety and efficacy in clinical practice.
• Despite limited focus on systemic reactions, billions of procedures suggest negligible risk.
• Ongoing development may position new glass-ionomer cements as viable alternatives to amalgam.