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Dyes for caries detection: influence on composite and compomer microleakage
Evandro Piva1, Luciene Meinhardt, Flávio F Demarco
1Federal University of Pelotas, School of Dentistry, Department of Operative Dentistry, Rua Gonçalves Chaves, 457 - Centro, Pelotas-RS, Brazil 96015-560. pivadent@ufpel.tche.br
Clinical Oral Investigations
|December 17, 2002
Summary
Caries-detecting dyes did not increase microleakage in dental restorations. This study found no significant difference between restorations made with or without caries-detecting dyes, ensuring material integrity.
Area of Science:
- Dental Materials Science
- Restorative Dentistry
- Cariology
Background:
- Microleakage is a critical factor in the longevity of dental restorations.
- Caries-detecting dyes are used to ensure complete caries removal, but their potential impact on microleakage is not fully understood.
Purpose of the Study:
- To evaluate the influence of caries-detecting dyes on the microleakage of adhesive materials used in dental restorations.
- To compare microleakage in cavities restored with different materials (adhesive system, compomer, composite resin) with and without the use of caries-detecting dyes.
Main Methods:
- Sixty human third molars with class V cavities (enamel and cementum margins) were restored with three different dental materials.
- Two types of caries-detecting dyes (Acid red dye and basic fuchsin dye) were tested, alongside control groups without dyes.
- Restorations underwent thermal cycling and methylene blue dye immersion; microleakage was evaluated and statistically analyzed.
Main Results:
- No statistically significant difference in microleakage was observed between groups that used caries-detecting dyes and control groups.
- A significant difference in microleakage was found between composite resin (Z100) and compomer (F2000) in cementum margins, but not in enamel margins.
Conclusions:
- Caries-detecting dyes do not adversely affect the microleakage of the tested adhesive materials.
- Material choice influences microleakage, particularly at cementum margins, irrespective of dye usage.