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Post-Space Treatment Influences the Bond Strength In Endodontically Treated Teeth: A Systematic Review and
Post-space treatments significantly enhance post-to-dentin bond strength. Effective methods include various irrigants like sodium hypochlorite and EDTA, and laser technologies, improving adhesive resistance in root canals.
Area of Science:
- Endodontics
- Dental Materials Science
- Biomaterials
Background:
- Post-space preparation is crucial for bonding posts to root canal dentin.
- The smear layer can negatively impact the bond strength.
- Investigating effective post-space treatments is essential for long-term restoration success.
Purpose of the Study:
- To systematically review in vitro studies on smear layer removal techniques.
- To evaluate the influence of post-space treatments on post-to-dentin bond strength.
Main Methods:
- Systematic review of in vitro studies sourced from PubMed/MEDLINE, Lilacs, and Scopus databases.
- Data extraction and risk of bias assessment by two independent reviewers.
- Pairwise meta-analyses using a random effects model.
Main Results:
- 75 studies were included in the systematic review.
- Post-space treatment significantly improved bond strength to root canal dentin (p<0.00001).
- Only one study had a low risk of bias.
Conclusions:
- Post-space treatment positively influences the bond strength of posts to root canal dentin.
- Effective treatments include ethanol, sodium hypochlorite (NaOCl), NaOCl + ethylene diamine tetra-acetic acid (EDTA), laser treatments (Er:YAG, Nd:YAG, diode).
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