-
In vitro experimental study comparing continuous and intermittent irrigation protocols: influence of sodium hypochlorite volume and contact time on tissue dissolution
-
Alfredo Iandolo, Dina Abdellatif, Davide Mancino, Gwenael Rolin, Camille Coussens, Aurelian Louvrier, Felipe G Belladonna, Edouard Euvrard, Emmanuel João Nogueira Leal da Silva
-
Restor Dent Endod 2025;50(4):e36. Published online October 15, 2025
-
DOI: https://doi.org/10.5395/rde.2025.50.e36
-
-
 Abstract
 PDF PubReader ePub
- Objectives
This study aimed to evaluate whether continuous irrigation with larger volumes or allowing sodium hypochlorite (NaOCl) resting time is more critical for pulp tissue dissolution using a controlled artificial root canal system.
Methods
A three-dimensional printed artificial root canal with a lateral canal in the apical third was fabricated. Standardized bovine pulp tissue specimens were inserted, and three irrigation protocols were tested: group A (continuous NaOCl irrigation at 1 mL/min via syringe pump), group B (intermittent NaOCl irrigation with 0.1 mL and a 3-minute resting period), and group C (control, saline irrigation). The time for complete dissolution and the total NaOCl volume were recorded.
Results
Complete dissolution occurred in groups A and B, with significant differences in NaOCl volume and time (p < 0.05). In group A, complete dissolution was consistently observed after the 6th irrigation cycle, corresponding to a total NaOCl volume of 6.0 ± 0.66 mL per test. The average time required for complete dissolution in this group was 6 ± 0.66 minutes. In group B, complete dissolution occurred after the 4th cycle, with a total NaOCl volume of 0.4 ± 0.06 mL per test and a mean dissolution time of 12.6 ± 1.8 minutes.
Conclusions
NaOCl volume and exposure time significantly influence pulp tissue dissolution.
-
An unusual case of dens invaginatus on a mandibular second molar: a case report
-
Davide Mancino, Dina Abdellatif, Alfredo Iandolo, Fabien Bornert, Youssef Haïkel
-
Restor Dent Endod 2025;50(1):e2. Published online January 8, 2025
-
DOI: https://doi.org/10.5395/rde.2025.50.e2
-
-
Abstract
PDFPubReaderePub
- The present case report describes the endodontic treatment of a type III B dens invaginatus (DI) in a three-rooted mandibular second molar since the invagination invades the root and extends apically. Clinical and cone-beam computed tomography examination of the mandibular second molar showed a broadened coronal morphology, DI, a third root, periapical radiolucency, and compression of a distal root canal by the invagination, which developed an atypical semilunar shape. The tooth was diagnosed with pulpal necrosis, symptomatic apical, and peri-invagination periodontitis. Consequently, three-dimensional virtual reconstruction was conducted to improve anatomical interpretation and case planning and accelerate the intraoperative phase by reducing operator stress and minimizing intraoperative variables. The present case report aims to raise awareness of the existence of DI on the mandibular second molar.
-
Citations
Citations to this article as recorded by  - Type IIIb dens invaginatus in a maxillary second molar and its microscopic anatomical features: a case report
Mingming Li, Zhiwu Wu, Shaoying Duan, Yuling Zuo
BMC Oral Health.2025;[Epub] CrossRef
-
2,363
View
-
197
Download
-
1
Crossref
-
Effects of different curing methods on the color stability of composite resins
-
Massimo Pisano, Alfredo Iandolo, Dina Abdellatif, Andrea Chiacchio, Marzio Galdi, Stefano Martina
-
Restor Dent Endod 2024;49(4):e33. Published online September 5, 2024
-
DOI: https://doi.org/10.5395/rde.2024.49.e33
-
-
Abstract
PDFPubReaderePub
- Objectives
The aim of this study was to compare the effects of different polymerization strategies and the effectiveness of finishing and polishing procedures of composite resins on color stability. Materials and MethodsThe samples were divided into 4 main groups according to the polymerization strategy, and all groups except the control group received surface treatment. Each group was subsequently divided into 3 subgroups respectively: Kuraray Clearfil Majesty ES-2 Classic, Premium and Universal. Approximately 24 hours after preparation of the samples, they were immersed for 7 days in a coffee solution. A first color measurement was performed after the preparation of the samples, the second measurement was performed after 7 days in the coffee solution. All measurements were carried out using a dental spectrophotometer to assess the CIE L* a* b* color parameters. ResultsThere was a statistically significant difference between ΔE values for different procedures (p = 0.003); in particular, the differences were found only between the groups that received surface treatment and the control group. In addition, a statistically significant difference was observed between the values of ΔE for different composites in the different procedure groups. ConclusionsSpectrophotometric analysis showed that the additional photopolymerization and oxygen inhibition procedures did not yield better results in relation to color stability. In addition, finishing and polishing provided better color stability compared to not performing these procedures.
-
Citations
Citations to this article as recorded by - Abrasiveness and Bleaching Level of Toothpastes on Composite Resins: A Quantitative Analysis Using a Novel Brushing Simulator
Simge Meseli, Elif Alkan, Bora Korkut, Ozlem Kanar, Dilek Tagtekin
Applied Sciences.2025; 15(5): 2314. CrossRef - Comparative Evaluation of Direct and Indirect Composite Restorations in Class II Tooth Preparations - An In vivo Study
Akshun Gupta, Garima Arora, Aprajita Mehta, Satish Sane, Siddhi Nevrekar, Apurva Nagrale
Advances in Human Biology.2025; 15(4): 550. CrossRef - Micro- and Nanoplastics and the Oral Cavity: Implications for Oral and Systemic Health, Dental Practice, and the Environment—A Narrative Review
Federica Di Spirito, Veronica Folliero, Maria Pia Di Palo, Giuseppina De Benedetto, Leonardo Aulisio, Stefano Martina, Luca Rinaldi, Gianluigi Franci
Journal of Functional Biomaterials.2025; 16(9): 332. CrossRef
-
5,192
View
-
300
Download
-
3
Web of Science
-
3
Crossref
|
KACD
