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Regenerative endodontic

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https://www.readbyqxmd.com/read/29047120/dental-pulp-regeneration-via-cell-homing
#1
REVIEW
S Eramo, A Natali, R Pinna, E Milia
The typical treatment for irreversibly inflamed/necrotic pulp tissue is root canal treatment. As an alternative approach, regenerative endodontics aims to regenerate dental pulp-like tissues using two possible strategies: cell transplantation and cell homing. The former requires exogenously transplanted stem cells, complex procedures and high costs; the latter employs the host's endogenous cells to achieve tissue repair/regeneration, which is more clinically translatable. This systematic review examines cell homing for dental pulp regeneration, selecting articles on in vitro experiments, in vivo ectopic transplantation models and in situ pulp revascularization...
October 19, 2017: International Endodontic Journal
https://www.readbyqxmd.com/read/29034570/efficacy-of-different-carriers-for-the-triple-antibiotic-powder-during-regenerative-endodontic-procedures
#2
David Hwang, Hanson Fong, James D Johnson, Avina Paranjpe
Chemical debridement during Regenerative Endodontic procedures is important. Previous research studies have evaluated various antibiotics and their concentrations but none have addressed the concern of delivering these materials. Hence, the purpose of this study was to determine what carrier could be used effectively in a clinical setting. Sixty caries-free maxillary incisors were used and inoculated with Enterococcus faecalis and divided into positive and irrigation controls and experimental groups that had triple antibiotic powder (1:1:1 ciprofloxacin:metronidazole:minocycline) delivered using various carriers: saline, cotton, sponge and methylcellulose...
October 16, 2017: Australian Endodontic Journal: the Journal of the Australian Society of Endodontology Inc
https://www.readbyqxmd.com/read/29032818/radiographic-histologic-and-biomechanical-evaluation-of-combined-application-of%C3%A2-platelet-rich-fibrin-with-blood-clot-in%C3%A2-regenerative-endodontics
#3
Ronghui Zhou, Yumin Wang, Yuemin Chen, Shuai Chen, Hongbing Lyu, Zhiyu Cai, Xiaojing Huang
INTRODUCTION: No in vivo study has been reported on the mechanical reinforcement of a tooth after regenerative endodontic treatment (RET). The present work aimed to evaluate the concurrent use of platelet-rich fibrin (PRF) with a blood clot (BC) in RET concerning periapical healing, root development, and tooth structural reinforcement. METHODS: In our study, 24 premolars from 3 beagle dogs were assigned into control, BC, and PRF + BC groups. Periapical healing was monitored with quantitative measurements of root elongation and thickening radiographically...
October 9, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28965773/an-innovative-regenerative-endodontic-procedure-using-leukocyte-and-platelet-rich-fibrin-associated-with-apical-surgery-a%C3%A2-case%C3%A2-report
#4
Nelson Pinto, Alexandra Harnish, Carolina Cabrera, Catherine Andrade, Tony Druttman, Claudia Brizuela
Regenerative endodontic procedures (REPs) associated with apical surgery could represent an alternative treatment strategy for patients whose teeth present incomplete root formation and extensive apical lesions. Leukocyte platelet-rich fibrin (L-PRF) has potential benefits in REPs; it could promote apical root formation and optimal bone healing. The aim of this case report was to describe innovative regenerative endodontic therapy using L-PRF in the root canal and an extensive apical lesion in an immature tooth with dens invaginatus and asymptomatic apical periodontitis...
September 28, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28962932/insufficient-evidence-about-outcomes-of-regenerative-endodontic-techniques
#5
Romina Brignardello-Petersen
No abstract text is available yet for this article.
September 23, 2017: Journal of the American Dental Association
https://www.readbyqxmd.com/read/28905412/long-term-treatment-costs-for-aggressive-periodontitis-in-a-german-population
#6
Falk Schwendicke, Anne Sophie Biffar, Christian Graetz
AIM: This study assessed the long-term annual costs for treating aggressive periodontitis (AgP) patients. METHODS: A cohort of compliant AgP patients was retrospectively evaluated. Costs for active periodontal therapy (APT, including scaling and root planning, open flap debridement, root resections, but not pocket-elimination or regenerative surgery) and supportive periodontal therapy (SPT, including also costs for restorative, endodontic, prosthetic and surgical treatments) were estimated from a mixed payer-perspective in Germany...
September 14, 2017: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/28864219/regenerative-endodontics-versus-apexification-in-immature-permanent-teeth-with-apical-periodontitis-a-prospective-randomized-controlled-study
#7
Jiacheng Lin, Qian Zeng, Xi Wei, Wei Zhao, Minyi Cui, Jing Gu, Jiaxuan Lu, Maobin Yang, Junqi Ling
INTRODUCTION: The aim of the study was to compare the outcomes of regenerative endodontic treatment (RET) and apexification on immature permanent teeth with pulp necrosis and apical periodontitis. METHODS: A total of 118 patients (118 teeth) were recruited and randomly assigned to either RET or apexification treatment. Each treatment group was divided into 2 subgroups according to the etiology: dens evaginatus or trauma. Clinical symptoms and complications were recorded, and cone-beam computed tomographic imaging with a limited field of view was used to measure the change of root length, root thickness, and apical foramen size at the 12-month follow-up...
August 29, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28846134/mineral-trioxide-aggregate-and-other-bioactive-endodontic-cements-an-updated-overview-part-ii-other-clinical-applications-and-complications
#8
REVIEW
M Torabinejad, M Parirokh, P M H Dummer
Mineral trioxide aggregate (MTA) is a dental material used extensively for vital pulp therapies (VPT), protecting scaffolds during regenerative endodontic procedures, apical barriers in teeth with necrotic pulps and open apices, perforation repairs as well as root canal filling and root-end filling during surgical endodontics. A number of bioactive endodontic cements (BECs) have recently been introduced to the market. Most of these materials have calcium and silicate in their compositions; however, bioactivity is a common property of these cements...
August 28, 2017: International Endodontic Journal
https://www.readbyqxmd.com/read/28844309/microbial-modulation-of-stem-cells-and-future-directions-in-regenerative-endodontics
#9
Anibal Diogenes, Kenneth M Hargreaves
Regenerative endodontic procedures (REPs) have been shown to promote the resolution of signs and symptoms of disease and increase survival compared with traditional treatment procedures. However, there is still variable predictability of continued root development and evidence that the tissues formed do not recapitulate the native pulp-dentin complex. There is growing evidence that the apical papilla is capable of surviving prolonged endodontic infection and apical periodontitis and that it represents a rich source of undifferentiated mesenchymal stem cells in REPs...
September 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28844308/inflammation-and-regeneration-in-the-dentin-pulp-complex-net-gain-or-net-loss
#10
Paul R Cooper, Ilaria J Chicca, Michael J Holder, Michael R Milward
The balance between the immune/inflammatory and regenerative responses in the diseased pulp is central to the clinical outcome, and this response is unique within the body because of its tissue site. Cariogenic bacteria invade the dentin and pulp tissues, triggering molecular and cellular events dependent on the disease stage. At the early onset, odontoblasts respond to bacterial components in an attempt to protect the tooth's hard and soft tissues and limit disease progression. However, as disease advances, the odontoblasts die, and cells central to the pulp core, including resident immune cells, pulpal fibroblasts, endothelial cells, and stem cells, respond to the bacterial challenge via their expression of a range of pattern recognition receptors that identify pathogen-associated molecular patterns...
September 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28844307/clinical-evidence-for-regenerative-endodontic-procedures-immediate-versus-delayed-induction
#11
Tatiana M Botero, Xianli Tang, Richard Gardner, Jan C C Hu, James R Boynton, G Rex Holland
Clinicians face many challenges when treating immature permanent teeth in young patients. Immediate blood clot induction can be a successful option as described by some case reports. No experimental studies or clinical trials have addressed this question. We have designed a clinical trial in which we hypothesized that there is no difference in success between immediate or delayed induction protocols. After confirmation of pulpal necrosis, patients were randomized. In the delayed group, 15 teeth were treated following the American Association of Endodontists guidelines, and calcium hydroxide was used as the intracanal medication...
September 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28844305/regenerative-endodontics-for-adult-patients
#12
Ling He, Sahng G Kim, Qimei Gong, Juan Zhong, Sainan Wang, Xuedong Zhou, Ling Ye, Junqi Ling, Jeremy J Mao
The goal of endodontics is to save teeth. Since inception, endodontic treatments are performed to obturate disinfected root canals with inert materials such as gutta-percha. Although teeth can be saved after successful endodontic treatments, they are devitalized and therefore susceptible to reinfections and fractures. The American Association of Endodontists (AAE) has made a tremendous effort to revitalize disinfected immature permanent teeth in children and adolescents with diagnoses including pulp necrosis or apical periodontitis...
September 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28822568/effects-of-lipopolysaccharide-on-the-proliferation-and-osteogenic-differentiation-of-stem-cells-from-the-apical-papilla
#13
Veera Lertchirakarn, Panuroot Aguilar
INTRODUCTION: Stem cells from the apical papilla (SCAPs) were suggested as the stem cell source in regenerative endodontic procedures. However, bone and/or cementum-like structure were observed in root canals. Lipopolysaccharide (LPS) in infected root canals might alter SCAPs' osteogenic differentiation pattern. The objectives of this study were to investigate the effects of LPS on SCAPs' proliferation and osteogenic differentiation. METHODS: The mesenchymal stem cell characteristics of SCAPs were confirmed...
August 16, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28822564/regenerative-endodontic-treatment-or-mineral-trioxide-aggregate-apical-plug-in-teeth-with-necrotic-pulps-and-open-apices-a-systematic-review-and-meta-analysis
#14
REVIEW
Mahmoud Torabinejad, Ali Nosrat, Prashant Verma, Oyoyo Udochukwu
INTRODUCTION: A mineral trioxide aggregate (MTA) apical plug (MAP) and regenerative endodontic treatment (RET) have shown acceptable clinical outcomes. However, comparative studies are scarce. The aims of this study were to examine the level of evidence for both treatments, conduct a systematic review of the literature on MAP and RET, and run a meta-analysis on the survival and success rates of teeth treated with these procedures. METHODS: Electronic searches were performed in MEDLINE, Web of Science, and the Cochrane Library...
August 16, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28814182/regenerative-endodontics
#15
Kristina Feigin, Bonnie Shope
Regenerative endodontics has been defined as "biologically based procedure designed to replace damaged structures, including dentin and root structures, as well as cells of the pulp-dentin complex." This is an exciting and rapidly evolving field of human endodontics for the treatment of immature permanent teeth with infected root canal systems. These procedures have shown to be able not only to resolve pain and apical periodontitis but continued root development, thus increasing the thickness and strength of the previously thin and fracture-prone roots...
September 2017: Journal of Veterinary Dentistry
https://www.readbyqxmd.com/read/28781091/dental-pulp-stem-cells-their-potential-in-reinnervation-and-angiogenesis-by-using-scaffolds
#16
Ivo Lambrichts, Ronald B Driesen, Yörg Dillen, Pascal Gervois, Jessica Ratajczak, Tim Vangansewinkel, Esther Wolfs, Annelies Bronckaers, Petra Hilkens
Dental pulp is a highly vascularized and innervated tissue containing a heterogeneous stem cell population with multilineage differentiation potential. Current endodontic treatments focus on the preservation of the pulp tissue and the regeneration of dental pulp after pathological insults. Human dental pulp stem cells (hDPSCs) are currently investigated as stem cell-based therapy for pulp regeneration and for peripheral nerve injury in which neurons and Schwann cells display limited regenerative capacity. We have developed a neuronal differentiation protocol for hDPSCs that requires neurosphere formation before neuronal maturation...
August 3, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28765825/comparison-of-the-effect-of-prp-prf-and-induced-bleeding-in-the-revascularization-of-teeth-with-necrotic-pulp-and-open-apex-a-triple-blind-randomized-clinical-trial
#17
Vasundara Yayathi Shivashankar, Dexton Antony Johns, Ramesh Kumar Maroli, Mahalaxmi Sekar, Rathinavel Chandrasekaran, Shanmugavel Karthikeyan, Senthil Kumar Renganathan
INTRODUCTION: Treatment of a tooth with necrotic pulp and open apex is a special challenge to the clinicians. Apexification with calcium hydroxide and MTA barrier technique fails to induce continued root maturation which makes the tooth susceptible to root fracture. Hence, an ideal outcome for such a tooth should be regeneration of pulp like tissue into the root canal capable of continuing normal root maturation. AIM: This study aims to compare the effect of Platelet Rich Fibrin (PRF), induced bleeding technique and Platelet Rich Plasma (PRP) in the revascularization of tooth with necrotic pulp and open apex...
June 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28764303/surgical-management-of-a-separated-endodontic-instrument-using-second-generation-platelet-concentrate-and-hydroxyapatite
#18
S L Satheesh, Shefali Jain, Atul Chandra Bhuyan, Lekshmy S Devi
Fractured endodontic instrument is an unfortunate endodontic mishap which may obstruct thorough cleaning and shaping of the root canals with potential impact on the endodontic prognosis and treatment outcome. When the fractured segment lies apical to canal curvature, overzealous removal of tooth structure is required to gain access to the separated segment which in turn increases the likelihood of root fracture. In infected cases, the stage at which instrument separation occurs is crucial as root canal disinfection is jeopardized...
June 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28757246/evaluation-of-mesenchymal-stem-cell-modulation-of-trigeminal-neuronal-responses-to-cold
#19
Michael A Eskander, Koyo Takimoto, Anibal Diogenes
Tissue engineering protocols, such as regenerative endodontic procedures (REPs), comprise biologically based procedures designed to restore normal physiologic function. For REPs, the goal is reconstitution of the pulp-dentin complex by delivering mesenchymal stem cells (MSCs), including the stem cells of the apical papilla (SCAP) into a root canal system. Many patients regain cold sensitivity after REPs, but the mechanism is not understood. We hypothesized that SCAP modulate nociceptive function through a paracrine mechanism that activates cold-sensitive ion channels in neurons...
July 27, 2017: Neuroscience
https://www.readbyqxmd.com/read/28751918/cellular-responses-in-human-dental-pulp-stem-cells-treated-with-three-endodontic-materials
#20
Alejandro Victoria-Escandell, José Santiago Ibañez-Cabellos, Sergio Bañuls-Sánchez de Cutanda, Ester Berenguer-Pascual, Jesús Beltrán-García, Eva García-López, Federico V Pallardó, José Luis García-Giménez, Antonio Pallarés-Sabater, Ignacio Zarzosa-López, Manuel Monterde
Human dental pulp stem cells (HDPSCs) are of special relevance in future regenerative dental therapies. Characterizing cytotoxicity and genotoxicity produced by endodontic materials is required to evaluate the potential for regeneration of injured tissues in future strategies combining regenerative and root canal therapies. This study explores the cytotoxicity and genotoxicity mediated by oxidative stress of three endodontic materials that are widely used on HDPSCs: a mineral trioxide aggregate (MTA-Angelus white), an epoxy resin sealant (AH-Plus cement), and an MTA-based cement sealer (MTA-Fillapex)...
2017: Stem Cells International
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