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Class V lesions restored with flowable composite and added surface sealing resin
General Dentistry
|February 24, 2001
Summary
This study assessed flowable composite sealants for marginal sealing. Two systems demonstrated significantly reduced microleakage compared to others, indicating superior performance in preventing gaps at tooth margins.
Area of Science:
- Restorative Dentistry
- Dental Materials Science
- Biomaterials
Background:
- Effective marginal sealing is crucial for the longevity of dental restorations.
- Flowable composites and sealants are commonly used to improve marginal integrity.
- Evaluating the microleakage of different systems is essential for clinical decision-making.
Purpose of the Study:
- To compare the marginal sealing ability of three distinct flowable composite systems.
- To assess microleakage at enamel and dentin margins in Class V preparations.
Main Methods:
- In vitro evaluation of marginal sealing using three flowable composite systems.
- Class V preparations were created on 60 extracted teeth (enamel and dentin/cement margins).
- Teeth were randomly assigned to six groups (n=10); control groups (I-III) and experimental groups (IV-VI).
Main Results:
- Control groups (I-III) exhibited significant microleakage in most samples.
- Experimental groups IV and V demonstrated very limited microleakage (2 out of 30 samples).
- Group VI showed significantly higher microleakage compared to Groups IV and V (p < 0.001).
Conclusions:
- Two of the tested flowable composite systems (Groups IV and V) offer superior marginal sealing.
- These systems significantly reduce microleakage at enamel and dentin margins compared to other tested materials.
- Findings suggest potential benefits of specific flowable composites for enhanced restoration longevity.
