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Leveque M, Bekhouche M, Farges JC, Richert R, Ducret M. Investigation of the early apical release from endodontic hydrogels: A 3D printed model. Int Endod J 2024; 57:943-950. [PMID: 38376094 DOI: 10.1111/iej.14049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 02/02/2024] [Accepted: 02/05/2024] [Indexed: 02/21/2024]
Abstract
AIM Regenerative Endodontic Procedures (REPs) using new materials such as hydrogels aim to replace current endodontic treatments, but numerous limitations are to overcome. Apical release was little explored in previous studies, especially regarding hydrogels that incorporate molecules, such as growth factors and antibiotics. Apical release is a key mechanism in achieving regeneration, as it could regulate disinfection or cell colonization. Few models exist for apical release, limiting the transfer of these devices from bench to bedside. This study aims to design a simple and standardized model to identify parameters that influence the early apical release kinetic of molecules from endodontic hydrogels. METHODOLOGY Endodontic Release Inserts (ERI) were designed to mimic the situation of an immature incisor using three different diameters (Ø 0.5 to 2 mm) and to allow the study of the early release from a hydrogel in a 96-well plate. ERI was produced with a 3D printing machine. The kinetic release was investigated using 2 fluorescent, hydrophobic (BDP-500) and hydrophilic (Fluorescein) molecules, in different hydrogels (fibrin and agarose) and in various media (PBS or serum). The release kinetics were estimated by measuring the fluorescence at different time points (1 to 24 h). RESULTS ERI use made it possible to report that apical diameters increase from 500 to 1000 μm was associated with an increase in release from 4.02 ± 1.63% to 11.53 ± 2.38% over 24 h. It also allowed us to report that bottom solution composition change from PBS to human serum was associated with an increase in the release of fatty acid molecules, whilst a decrease in the hydrogel concentration was associated with a variation in release kinetics. Moreover, nano-encapsulation of a molecule was associated with a decreased release over the first 24 h from 5.25 to 0%. CONCLUSION ERI use enables investigation of the parameters influencing release kinetics from endodontic hydrogels. Further investigations are necessary to evaluate the interaction of these parameters with each other, in animal models and clinic.
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Affiliation(s)
- Marianne Leveque
- Laboratoire de Biologie Tissulaire et Ingénierie thérapeutique, UMR 5305 CNRS/Université Claude Bernard Lyon 1, UMS 3444 BioSciences Gerland-Lyon Sud, Lyon, France
| | - Mourad Bekhouche
- Laboratoire de Biologie Tissulaire et Ingénierie thérapeutique, UMR 5305 CNRS/Université Claude Bernard Lyon 1, UMS 3444 BioSciences Gerland-Lyon Sud, Lyon, France
| | - Jean-Christophe Farges
- Laboratoire de Biologie Tissulaire et Ingénierie thérapeutique, UMR 5305 CNRS/Université Claude Bernard Lyon 1, UMS 3444 BioSciences Gerland-Lyon Sud, Lyon, France
- Faculté d'Odontologie, Université Claude Bernard Lyon 1, Université de Lyon, Lyon, France
- Service d'Odontologie, Hospices Civils de Lyon, Lyon, France
| | - Raphaël Richert
- Faculté d'Odontologie, Université Claude Bernard Lyon 1, Université de Lyon, Lyon, France
- Service d'Odontologie, Hospices Civils de Lyon, Lyon, France
- UMR 5259 CNRS/INSA/Univ, Lyon, France
| | - Maxime Ducret
- Laboratoire de Biologie Tissulaire et Ingénierie thérapeutique, UMR 5305 CNRS/Université Claude Bernard Lyon 1, UMS 3444 BioSciences Gerland-Lyon Sud, Lyon, France
- Faculté d'Odontologie, Université Claude Bernard Lyon 1, Université de Lyon, Lyon, France
- Service d'Odontologie, Hospices Civils de Lyon, Lyon, France
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Leveque M, Bekhouche M, Farges JC, Aussel A, Sy K, Richert R, Ducret M. Bioactive Endodontic Hydrogels: From Parameters to Personalized Medicine. Int J Mol Sci 2023; 24:14056. [PMID: 37762359 PMCID: PMC10531297 DOI: 10.3390/ijms241814056] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 09/05/2023] [Accepted: 09/07/2023] [Indexed: 09/29/2023] Open
Abstract
Regenerative endodontic procedures (REPs) aim at recreating dental pulp tissue using biomaterials such as hydrogels. Their bioactivity is mostly related to the nature of biomolecules or chemical compounds that compose the endodontic hydrogel. However, many other parameters, such as hydrogel concentration, bioactive molecules solubility, and apex size, were reported to influence the reciprocal host-biomaterial relationship and hydrogel behavior. The lack of knowledge regarding these various parameters, which should be considered, leads to the inability to predict the clinical outcome and suggests that the biological activity of endodontic hydrogel is impossible to anticipate and could hinder the bench-to-bedside transition. We describe, in this review, that most of these parameters could be identified, described, and studied. A second part of the review lists some challenges and perspectives, including development of future mathematical models that are able to explain, and eventually predict, the bioactivity of endodontic hydrogel used in a clinical setting.
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Affiliation(s)
- Marianne Leveque
- Laboratoire de Biologie Tissulaire et Ingénierie Thérapeutique, UMR 5305 CNRS/UCBL, 69007 Lyon, France; (M.L.); (M.B.); (J.-C.F.)
| | - Mourad Bekhouche
- Laboratoire de Biologie Tissulaire et Ingénierie Thérapeutique, UMR 5305 CNRS/UCBL, 69007 Lyon, France; (M.L.); (M.B.); (J.-C.F.)
| | - Jean-Christophe Farges
- Laboratoire de Biologie Tissulaire et Ingénierie Thérapeutique, UMR 5305 CNRS/UCBL, 69007 Lyon, France; (M.L.); (M.B.); (J.-C.F.)
- Faculté d’Odontologie, Université Claude Bernard Lyon 1, Université de Lyon, 69008 Lyon, France; (K.S.); (R.R.)
- Service d’Odontologie, Hospices Civils de Lyon, 69007 Lyon, France
| | - Audrey Aussel
- BIOTIS—Laboratory for the Bioengineering of Tissues (UMR Inserm 1026), University of Bordeaux, Inserm, 33076 Bordeaux, France;
- UFR d’Odontologie, Université de Bordeaux, 33600 Bordeaux, France
- CHU de Bordeaux, Pôle de Médecine et Chirurgie Bucco-Dentaire, 33076 Bordeaux, France
| | - Kadiatou Sy
- Faculté d’Odontologie, Université Claude Bernard Lyon 1, Université de Lyon, 69008 Lyon, France; (K.S.); (R.R.)
- Service d’Odontologie, Hospices Civils de Lyon, 69007 Lyon, France
- Laboratoire des Multimatériaux et Interfaces, UMR CNRS 5615, Université Claude Bernard Lyon 1, 69622 Villeurbanne, France
| | - Raphaël Richert
- Faculté d’Odontologie, Université Claude Bernard Lyon 1, Université de Lyon, 69008 Lyon, France; (K.S.); (R.R.)
- Service d’Odontologie, Hospices Civils de Lyon, 69007 Lyon, France
| | - Maxime Ducret
- Laboratoire de Biologie Tissulaire et Ingénierie Thérapeutique, UMR 5305 CNRS/UCBL, 69007 Lyon, France; (M.L.); (M.B.); (J.-C.F.)
- Faculté d’Odontologie, Université Claude Bernard Lyon 1, Université de Lyon, 69008 Lyon, France; (K.S.); (R.R.)
- Service d’Odontologie, Hospices Civils de Lyon, 69007 Lyon, France
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Cintra LTA, Gomes MS, da Silva CC, Faria FD, Benetti F, Cosme-Silva L, Samuel RO, Pinheiro TN, Estrela C, González AC, Segura-Egea JJ. Evolution of endodontic medicine: a critical narrative review of the interrelationship between endodontics and systemic pathological conditions. Odontology 2021; 109:741-769. [PMID: 34240297 DOI: 10.1007/s10266-021-00636-x] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2021] [Accepted: 07/04/2021] [Indexed: 12/12/2022]
Abstract
Endodontics has gained emphasis in the scientific community in recent years due to the increase in clinical and in animal models studies focused on endodontic medicine, which aims to evaluate the interrelationship between systemic and periapical tissues pathological conditions. These studies have shown that systemic changes can boost the pathogenesis of endodontic infection, favoring its development and progression. A contrary relationship is reported in numerous studies that affirm the potential of endodontic infection to trigger systemic damage and may lead to the worsening of pre-existing pathologies. Recently, the potential of filling materials to develop systemic changes such as neurological alterations had been evaluated, also showing that systemic diseases can negatively influence tissue responses to filling materials after endodontic treatment. Despite advances in endodontic medicine studies, there are still gaps in knowledge on the mechanisms of interactions between apical periodontitis (AP) and systemic diseases and much research to be done. In this sense, this critical narrative literature review aimed to show the evolution of studies in endodontic medicine to help the endodontist to know the role of systemic diseases in the pathogenesis of AP and the possible interference in the repair of periapical tissues after endodontic treatment, as well as to evidence the systemic complications that can be triggered or aggravated in the presence of endodontic infection.
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Affiliation(s)
- Luciano Tavares Angelo Cintra
- Department of Preventive and Restorative Dentistry, Endodontic Section, School of Dentistry, São Paulo State University (Unesp), José Bonifácio, 1193, Vila Mendonça, Araçatuba, SP, CEP 16015-050, Brazil. .,Dental Assistance Center for Disabled Persons (CAOE) of the São Paulo State University (Unesp), School of Dentistry, Araçatuba, SP, Brazil.
| | - Maximiliano Schünke Gomes
- Departament of Odontology, School of Dentistry and Medical and Dental Center, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Cristiane Cantiga da Silva
- Department of Preventive and Restorative Dentistry, Endodontic Section, School of Dentistry, São Paulo State University (Unesp), José Bonifácio, 1193, Vila Mendonça, Araçatuba, SP, CEP 16015-050, Brazil
| | - Flávio Duarte Faria
- Department of Preventive and Restorative Dentistry, Endodontic Section, School of Dentistry, São Paulo State University (Unesp), José Bonifácio, 1193, Vila Mendonça, Araçatuba, SP, CEP 16015-050, Brazil
| | - Francine Benetti
- Department of Restorative Dentistry, School of Dentistry, Federal University of Minas Gerais (UFMG), Belo Horizonte, MG, Brazil
| | - Leopoldo Cosme-Silva
- Department of Clinics and Surgery, School of Dentistry, Federal University of Alfenas (Unifal), Alfenas, MG, Brazil
| | - Renata Oliveira Samuel
- Department of Clinical Dentistry, Dental School, Universidade de Uberaba, Uberaba, MG, Brazil
| | - Tiago Novaes Pinheiro
- Department of Oral Pathology and Oral Medicine, Dental School of Amazonas State University, Manaus, AM, Brazil
| | - Carlos Estrela
- Department of Stomatologic Sciences, School of Dentistry, Federal University of Goiás (UFG), Goiânia, GO, Brazil
| | | | - Juan José Segura-Egea
- Department of Stomatology, School of Dentistry, University of Sevilla, Sevilla, Spain
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Nagendrababu V, Kishen A, Murray PE, Nekoofar MH, de Figueiredo JAP, Priya E, Jayaraman J, Pulikkotil SJ, Jakovljevic A, Dummer PMH. PRIASE 2021 guidelines for reporting animal studies in Endodontology: explanation and elaboration. Int Endod J 2021; 54:858-886. [PMID: 33492704 DOI: 10.1111/iej.13481] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Accepted: 01/21/2021] [Indexed: 12/13/2022]
Abstract
Laws and ethics require that before conducting human clinical trials, a new material, device or drug may have to undergo testing in animals in order to minimize health risks to humans, unless suitable supporting grandfather data already exist. The Preferred Reporting Items for Animal Studies in Endodontology (PRIASE) 2021 guidelines were developed exclusively for the specialty of Endodontology by integrating and adapting the ARRIVE (Animals in Research: Reporting In Vivo Experiments) guidelines and the Clinical and Laboratory Images in Publications (CLIP) principles using a validated consensus-based methodology. Implementation of the PRIASE 2021 guidelines will reduce potential sources of bias and thus improve the quality, accuracy, reproducibility, completeness and transparency of reports describing animal studies in Endodontology. The PRIASE 2021 guidelines consist of a checklist with 11 domains and 43 individual items and a flowchart. The aim of the current document is to provide an explanation for each item in the PRIASE 2021 checklist and flowchart and is supplemented with examples from the literature in order for readers to understand their significance and to provide usage guidance. A link to the PRIASE 2021 explanation and elaboration document and PRIASE 2021 checklist and flowchart is available on the Preferred Reporting Items for study Designs in Endodontology (PRIDE) website (http://pride-endodonticguidelines.org/priase/).
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Affiliation(s)
- V Nagendrababu
- Department of Preventive and Restorative Dentistry, College of Dental Medicine, University of Sharjah, Sharjah, UAE
| | - A Kishen
- Faculty of Dentistry, University of Toronto, Toronto, ON, Canada
| | - P E Murray
- Private Consultant, Fort Lauderdale, FL, USA
| | - M H Nekoofar
- Department of Endodontics, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran
| | | | - E Priya
- Division of Children and Community Oral Health, School of Dentistry, International Medical University, Kuala Lumpur, Malaysia
| | - J Jayaraman
- Department of Developmental Dentistry, University of Texas Health School of Dentistry, San Antonio, TX, USA
| | - S J Pulikkotil
- Division of Clinical Dentistry, School of Dentistry, International Medical University, Kuala Lumpur, Malaysia
| | - A Jakovljevic
- Department of Pathophysiology, School of Dental Medicine, University of Belgrade, Belgrade, Serbia
| | - P M H Dummer
- School of Dentistry, College of Biomedical and Life Sciences, Cardiff University, Cardiff, UK
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