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An effective method for spreading flowable composites in resin-based restorations.
Behrouz Abedian1, Philip Millstein
1School of Engineering, Tufts University, Medford, MA 02115, USA. babedian@granite.tufts.edu
Operative Dentistry
|March 16, 2006
Summary
A novel rotating bur created a uniform cavity lining with flowable composites, improving marginal adaptation. This method proved superior to traditional dental explorers for consistent composite placement.
Area of Science:
- Restorative Dentistry
- Biomaterials Science
Background:
- Flowable composites are used for dental cavity lining to enhance marginal adaptation and reduce stress.
- Post-operative sensitivity is a concern addressed by improved cavity lining techniques.
Purpose of the Study:
- To compare the effectiveness of a novel rotating bur versus a dental explorer for spreading flowable composite in test cavities.
- To evaluate the uniformity and consistency of cavity lining achieved by each method.
Main Methods:
- An in vitro study utilizing two commercial flowable composite materials.
- Comparison of composite spreading using a dental explorer and a specially designed smooth, oscillating, off-center rotating bur (300-600 rpm).
Main Results:
- The rotating bur consistently produced a uniform cavity lining.
- The dental explorer did not achieve the same level of uniform lining.
Conclusions:
- The specially designed rotating bur is an effective tool for achieving uniform cavity lining with flowable composites.
- This technique offers a significant improvement over traditional methods for clinicians.