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Composite resin short-post technique for primary anterior teeth.
P L Judd1, D J Kenny, D H Johnston
1Division of Paediatric Dentistry, Hospital for Sick Children, Toronto, Ontario.
Summary
A novel mushroom-shaped composite resin post in root canals offers excellent retention for crowns. This dental post technique showed no failures in a 1-year study of 92 teeth, resolving common issues.
Area of Science:
- Restorative Dentistry
- Dental Materials Science
Background:
- Root canal treated teeth often require coronal restoration to regain function and aesthetics.
- Traditional post and core techniques can sometimes lead to complications like root fracture or debonding.
Purpose of the Study:
- To evaluate the retention and efficacy of a novel "mushroom shaped" composite resin short post.
- To assess the long-term stability of composite resin crowns built on this reinforced post system.
Main Methods:
- A "mushroom shaped" composite resin short post was fabricated directly within the pulp-treated root canal.
- Composite resin was used to build the superstructure on the post, reinforcing remaining dentin.
- The technique was clinically evaluated over a 1-year period in 92 teeth.
Main Results:
- No failures in post retention were observed in any of the 92 treated teeth during the 1-year follow-up.
- Minor issues related to recurrent caries and severe bruxism were encountered but successfully managed.
- The "mushroom shaped" post demonstrated robust retention and support for the composite resin crown.
Conclusions:
- The "mushroom shaped" composite resin short post technique provides reliable and durable retention for coronal restorations.
- This method offers a promising alternative for restoring endodontically treated teeth, showing high success rates in short-term follow-up.