Aim: This study aimed to evaluate the volumetric change of root canal sealers through micro-computed tomographic analysis using a novel in vivo model and to compare the results with those obtained using an ex vivo test.
Methodology: Eighteen single-rooted teeth were cut to 5 mm length from the root apex. The root canals were uniformly enlarged and filled with EndoSequence BC Sealer or AH Plus Jet root canal sealers. Samples were stored at 37°C and 95% relative humidity for 24 h and then scanned with a micro-CT device. Twelve samples (n = 6 for each sealer) were implanted in the subcutaneous tissue of Wistar rats, while six samples (n = 3 for each sealer) were immersed in 20 mL of phosphate-buffered saline (PBS) at 37°C at neutral pH. After 7 and 30 days, teeth were removed from subcutaneous tissue or PBS and rescanned. Statistical analysis of volume changes was performed using Shapiro-Wilk's test and independent t-test (p < .05).
Results: AH Plus Jet had smaller volume changes (-2.2 to +0.77%) than EndoSequence BC Sealer (-2.0 to +4.0%) (p < .05), in the two tested models. The volume of the root canal sealers decreased over time (p < .05), in vivo. AH Plus Jet results varied between the in vivo and ex vivo results (p < .05), while EndoSequence BC Sealer presented similar volume losses for both experimental models (p > .05).
Conclusion: EndoSequence BC Sealer lost more volume than AH Plus Jet. The experimental conditions influenced the volumetric change of AH Plus Jet but not the EndoSequence BC Sealer. The ex vivo model should be further explored as a methodological alternative to assess the volumetric changes of root canal sealers without causing harm to animals.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1111/iej.13940 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Acceptability of interactive post-endodontic restoration decision making application among undergraduate dental students.
J Dent Sci
December 2024
School of Dentistry, University of Queensland, Brisbane, Australia.
Background/purpose: Selecting an appropriate coronal restoration after root canal treatment requires careful consideration, however, there is a lack of established web-based tool that is based on clear guidelines for suitable post-endodontic restorations. Hence, we aimed to design and determine the acceptability of an interactive application to aid the decision making process for post-endodontic restoration among the undergraduate dental students.
Materials And Methods: A web-based post-endodontic restoration decision making interactive application, ( was developed after a detailed review of available literature.
Long-Term Success and Survival of Post-Endodontic Restorations Without Posts After up to18 Years: A Practice-Based Study.
J Dent
January 2025
Department of Restorative, Preventive and Pediatric Dentistry, zmk bern, University of Bern, Switzerland; Unit for Practice-based Research, School of Dental Medicine, University of Bern, Switzerland. Electronic address:
Objectives: The aim of this non-interventional, multi-center, prospective, practice-based study was, firstly, to evaluate the longevity of composite build-ups in endodontically treated teeth, treated with root canal therapy (ETT), without post placement and secondly, to identify and analyze factors influencing the success of these reconstructions.
Methods: Each of seven general dental practitioners placed up to 50 composite build-ups without additional posts in ETT. Teeth were restricted to incisors, canines and premolars.
Changes in the Difficulty of Endodontic Cases Treated by Undergraduate Students at a University Clinic Between 1971 and 2019.
Clin Exp Dent Res
February 2025
Department of Endodontics, Faculty of Dentistry, University of Oslo, Norway.
Objective: This study aimed to assess the proportions of complicated endodontic cases treated by undergraduate dental students in a University clinic now and in the past.
Material And Methods: Data were obtained from the electronic records and previous publications from the Faculty of Dentistry, University of Oslo, Norway. The operators were dental undergraduate students in their final 2 years of training.
Comparison of periapical parallel radiography with cbct with different field of views (FOV) for the detection of periapical lesions.
Dent Res J (Isfahan)
December 2024
Department of Periodontology, Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran.
Background: Chronic apical periodontitis (AP) may influence the outcome of root canal treatment. Thus, it is important to diagnose AP using the best method available. This research was done to compare the diagnostic accuracy of parallel periapical radiography (PR) and different field of views (FOVs) of cone-beam computed tomography (CBCT).
View Article and Find Full Text PDFENDOSCOPIC SURGERY FOR TREATING SPINAL STENOSIS: AN INTEGRATIVE REVIEW OF RANDOMIZED CLINICAL TRIALS.
Acta Ortop Bras
January 2025
Hospital Geral de Carapicuiba, Serviço de Ortopedia e Traumatologia, Carapicuiba, São Paulo, SP, Brazil.
Background: Spinal stenosis refers to the narrowing of the spinal canal which can generate clinical symptoms secondary to the spinal cord injury itself, or even root involvement. The traditional open surgical procedure to correct spinal stenosis is highly traumatic and risky, and with the development of surgical techniques, endoscopic procedures have been widely used in treating said stenosis, achieving good results with minimally invasive management.
Aim: To conduct a literature review regarding endoscopic techniques for correcting spinal stenosis.
Want AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!