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Comparative radiopacity of six current adhesive systems.
Isabel Cristina Celerino de Moraes Porto1, Naira Cândido Honório1, Dayse Annie Nicácio Amorim1
1Department of Restorative Dentistry, Cesmac University Center, Maceió, Alagoas, Brazil.
Journal of Conservative Dentistry : JCD
|February 21, 2014
Summary
Most dental adhesive resins are radiolucent, making them difficult to detect on X-rays. Only Adper SE Bond (ASE) showed radiopacity comparable to natural tooth structures, suggesting composition improvements are needed for other bonding agents.
Area of Science:
- Dental Materials Science
- Radiology
- Biomaterials
Background:
- Radiopacity of dental adhesive systems can lead to misinterpretation of radiographic images, potentially indicating unnecessary replacement of restorations.
- Accurate radiographic assessment is crucial for diagnosing secondary caries and evaluating restoration integrity.
Purpose of the Study:
- To evaluate and compare the radiopacity of contemporary dental bonding agents.
- To assess the radiodensity of these agents relative to natural tooth structures like enamel and dentin.
Main Methods:
- Radiopacity was measured for six adhesive systems (Clearfil SE Bond, Xeno V, Adper SE Bond, Magic Bond, Single Bond 2, Scotchbond Multipurpose) and gutta-percha.
- Optical densities were analyzed from radiographic images using image analysis software, with comparisons to enamel, dentin, and an aluminum step wedge.
Main Results:
- Significant differences in radiopacity were found among the tested adhesive systems.
- Five of the six adhesive resins exhibited radiopacity below that of dentin.
- Adper SE Bond (ASE) demonstrated radiopacity greater than dentin but less than enamel.
Conclusions:
- Only Adper SE Bond (ASE) possesses radiopacity within the range of natural tooth structures (dentin and enamel).
- Clearfil SE Bond (CF), Xeno V (XE), Magic Bond (MB), Single Bond 2 (SB), and Scotchbond Multipurpose (SM) are radiolucent.
- Modifications to the composition of radiolucent adhesives are necessary for improved radiographic detectability.
