Modern endodontics continues to evolve with materials designed to improve healing and long term treatment success. A recent retrospective study has highlighted the effectiveness of hydraulic calcium silicate based sealers in managing apical periodontitis, offering encouraging evidence for clinicians seeking reliable obturation materials.
The study evaluated 637 teeth diagnosed with symptomatic apical periodontitis that underwent root canal treatment or retreatment using a premixed calcium silicate based sealer combined with the cold hydraulic condensation technique. Patients were followed for up to five years, making this one of the more comprehensive long term evaluations in this area of endodontics.
Researchers observed steadily improving success rates over time. Under strict clinical criteria, which required complete absence of symptoms and full radiographic healing, treatment success increased from 80.2 percent at one year to 87.67 percent at five years. When broader healing criteria were applied, success rates remained consistently high throughout the follow up period.
One of the most important findings was the influence of the initial severity of the lesion. Teeth with higher baseline Periapical Index scores demonstrated lower odds of complete healing, particularly during the early years after treatment. This reinforces the importance of early diagnosis and timely intervention in endodontic care.
Interestingly, several variables traditionally considered influential showed minimal impact on long term outcomes. Factors such as patient age, sex, tooth type, retreatment status, sealer extrusion, and type of final restoration did not significantly alter healing success. This suggests that the material and technique may offer a high degree of consistency across diverse clinical situations.
Hydraulic calcium silicate based sealers are gaining popularity because of their biological and physicochemical advantages. These sealers are known for their biocompatibility, antibacterial potential, low solubility, excellent flowability, and ability to release calcium ions that may support tissue healing. Their hydrophilic nature allows them to work effectively with simplified obturation techniques such as cold hydraulic condensation.
The study specifically used CeraSeal with a standardized protocol performed by a single experienced clinician. While this ensures procedural consistency, the authors also acknowledged that broader multicenter studies are still needed to confirm generalizability across different operators and clinical settings.
Additional evidence from systematic reviews and randomized trials supports the growing confidence in calcium silicate based sealers. Research has shown comparable or improved clinical outcomes when compared with conventional resin based sealers, particularly in terms of sealing ability, postoperative comfort, and long term healing performance.
For practicing dentists and endodontists, these findings highlight an important shift toward biologically active materials that combine clinical simplicity with predictable healing outcomes. As technology and materials continue to improve, hydraulic calcium silicate based sealers may play a larger role in the future of minimally invasive and biologically driven endodontic therapy.
