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Regenerative endodontic

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https://www.readbyqxmd.com/read/28092093/regenerative-endodontics-a-true-paradigm-shift-or-a-bandwagon-about-to-be-derailed
#1
REVIEW
H Nazzal, M S Duggal
AIMS: Regenerative endodontic techniques (RETs) have been hailed as a paradigm shift for the management of traumatised non-vital immature permanent anterior teeth. In this article the aim was to critically appraise the literature with regards to the outcome of regenerative endodontics on root development. METHODS: Critical review of the literature where regenerative endodontic techniques have been used in the management of immature non-vital teeth with continuation of root development as the main outcome reported...
January 13, 2017: European Archives of Paediatric Dentistry: Official Journal of the European Academy of Paediatric Dentistry
https://www.readbyqxmd.com/read/28050518/revitalization-of-an-immature-permanent-mandibular-molar-with-a-necrotic-pulp-using-platelet-rich-fibrin-a-case-report
#2
Dayalan Subash, Krishnamma Shoba, Shibu Aman, Srinivasan Kumar Indu Bharkavi
Any insult to the pulp during its development causes cessation of dentin formation and root growth. Pulpal status and degree of root development are the decisive factors in the treatment approach. Various treatment options have been tried like surgery with root-end sealing, calcium hydroxide-apexification, placement of apical plug and regenerative endodontic procedures to induce apexogenesis. An ideal scenario for a necrosed tooth with immature root would be continued root development coupled with regeneration of pulp tissue...
November 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28041686/evaluation-of-a-commercially-available-hyaluronic-acid-hydrogel-restylane-as-injectable-scaffold-for-dental-pulp-regeneration-an-in%C3%A2-vitro-evaluation
#3
Vanessa Chrepa, Obadah Austah, Anibal Diogenes
INTRODUCTION: Regenerative endodontic procedures (REPs) are viable alternatives for treating immature teeth, yet these procedures do not predictably lead to pulp-dentin regeneration. A true bioengineering approach for dental pulp regeneration requires the incorporation of a scaffold conducive with the regeneration of the pulp-dentin complex. Several materials have been proposed as scaffolds for REPs; nonetheless, the majority are not eligible for immediate clinical chairside use. Thus, the aim of this study was to evaluate Restylane, a Food and Drug Administration-approved hyaluronic acid-based gel, as possible scaffold for REPs...
December 29, 2016: Journal of Endodontics
https://www.readbyqxmd.com/read/28041682/delayed-root-development-by-displaced-mineral-trioxide-aggregate-after-regenerative-endodontics-a-case-report
#4
Aovana Timmerman, Peter Parashos
INTRODUCTION: This case report presents the treatment of a 16-year-old boy with a maxillary lateral incisor (tooth #10) presenting with Oehlers type II dens invaginatus and diagnosed with previously initiated therapy and asymptomatic apical periodontitis. METHODS: A regenerative endodontic procedure (REP) was performed for the tooth but complicated by apically displaced mineral trioxide aggregate (MTA). Clinical and radiographic examination was undertaken yearly, and a cone-beam computed tomography scan was taken to investigate further the formation of hard tissues within the root canal...
December 29, 2016: Journal of Endodontics
https://www.readbyqxmd.com/read/27986102/regenerative-endodontic-procedures-a-perspective-from-stem-cell-niche-biology
#5
REVIEW
Manuel Marí-Beffa, Juan José Segura-Egea, Aránzazu Díaz-Cuenca
INTRODUCTION: Endodontics uses cell therapy strategies to treat pulpal and periapical diseases. During these therapies, surgeons aim to reconstruct the natural microenvironments that regulate the activity of dental stem cells. METHODS: We searched for more than 400 articles in PubMed using key words from regenerative endodontics and dental stem cell biology. In 268 articles, we reviewed what factors may influence histologic results after preclinical dental treatments that use regenerative endodontic procedures after pulpectomy...
January 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/27965900/treatment-of-a-developmental-groove-and-supernumerary-root-using-guided-tissue-regeneration-technique
#6
Zahra Alizadeh Tabari, Hamed Homayouni, Tahere Pourseyediyan, Armita Arvin, Derrick Eiland, Nima Moradi Majd
Introduction. The radicular groove is a developmental groove which is usually found on the palatal or lateral aspects of the maxillary incisor teeth. The present case is a maxillary lateral incisor with a small second root and a deep radicular groove. The developmental groove caused a combined periodontal-endodontic lesion. Methods. Case was managed using a combined treatment procedure involving nonsurgical root canal therapy and surgical periodontal treatment. After completion of root canal treatment, guided tissue regeneration (GTR) was carried out using decalcified freeze dried bone allograft (DFDBA) and a bioabsorbable collagenous membrane...
2016: Case Reports in Dentistry
https://www.readbyqxmd.com/read/27955921/clinical-and-radiographic-outcomes-in-immature-permanent-necrotic-evaginated-teeth-treated-with-regenerative-endodontic-procedures
#7
Ling Li, Yihuai Pan, Liqin Mei, Jun Li
INTRODUCTION: Regenerative endodontics is a promising alternative treatment for immature permanent teeth with necrotic dental pulp. The present study assessed the time to resolution of clinical symptoms and radiographic changes in root dimensions in immature permanent necrotic teeth with dens evaginatus. METHODS: In this prospective study, clinical and radiographic data were collected for 20 teeth with dens evaginatus treated with a revascularization protocol for 1 year...
December 9, 2016: Journal of Endodontics
https://www.readbyqxmd.com/read/27939739/characterization-of-a-vascular-endothelial-growth-factor-loaded-bioresorbable-delivery-system-for-pulp-regeneration
#8
Mamatha Yadlapati, Claudia Biguetti, Franco Cavalla, Francisco Nieves, Christopher Bessey, Pedram Bohluli, Gustavo Pompermaier Garlet, Ariadne Letra, Walid D Fakhouri, Renato Menezes Silva
INTRODUCTION: Vascular endothelial growth factor (VEGF) is a signal protein that stimulates angiogenesis and vasculogenesis and has been used in tissue regeneration and pulp regeneration experimental models. The purpose of this study was to develop a delivery system composed of a biodegradable fiber and controlled release of VEGF to promote cell viability and secure an adequate blood supply for the survival of human stem cells of the apical papilla (SCAP) favoring endodontic regenerative procedures...
January 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/27939733/mesoporous-calcium-silicate-nanoparticles-with-drug-delivery-and-odontogenesis-properties
#9
Ching-Yuang Huang, Tsui-Hsien Huang, Chia-Tze Kao, Yuan-Haw Wu, Wan-Chen Chen, Ming-You Shie
INTRODUCTION: Calcium silicate (CS) -based materials play an important role in the development of endodontic materials that induce bone/cementum tissue regeneration and inhibit bacterial viability. The aim of this study was to prepare novel mesoporous CS (MesoCS) nanoparticles that have osteogenic, drug delivery, and antibacterial characteristics for endodontic materials and also have an excellent ability to develop apatite mineralization. METHODS: The MesoCS nanoparticles were prepared using sol-gel methods...
January 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/27918898/roles-of-l-type-calcium-channels-cav1-2-and-the-distal-c-terminus-dct-in-differentiation-and-mineralization-of-rat-dental-apical-papilla-stem-cells-rscaps
#10
Qianqian Gao, Jianping Ge, Yanqin Ju, Changsheng Li, Jian Gao, Meisheng Wu, Shouliang Zhao
OBJECTIVE: Voltage-gated inward Ca(2+) currents (ICa) are triggered by cell depolarization and commonly produce transient increases in the cytoplasmic free Ca(2+) concentration. The CaV1.2 distal C-terminus is susceptible to proteolytic cleavage, which yields a truncated CaV1.2 subunit and a cleaved C-terminal fragment (CCt or DCT). Stem cells from the apical papilla (SCAPs) has a capacity for differentiation into the odontoblastic-like cells in vitro and dentin forming in vivo, which makes SCAPs advantages in tissue engineering and regenerative endodontic...
February 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/27912815/regenerative-endodontics-by-cell-homing
#11
REVIEW
Ling He, Juan Zhong, Qimei Gong, Bin Cheng, Sahng G Kim, Junqi Ling, Jeremy J Mao
Apical revascularization (AR) and platelet-rich plasma have been used to restore dental pulp vitality in infected immature permanent teeth. Two regenerative therapies are cell transplantation and cell homing. This article updates and benchmarks these therapies with cell homing. A case report concluded that AR increased root length; however, quantitative and statistical assessments disproved this. Regenerative endodontic therapies require prospective clinical trials demonstrating safety and efficacy. These therapies are intrinsically susceptible to procedural and patient variations...
January 2017: Dental Clinics of North America
https://www.readbyqxmd.com/read/27912814/biological-molecules-for-the-regeneration-of-the-pulp-dentin-complex
#12
REVIEW
Sahng G Kim
Regenerative endodontic treatment has yielded excellent clinical outcomes, but only several animal studies have shown the robust regeneration of the pulp-dentin complex. The biological molecules, if properly delivered, can enkindle regeneration of dental pulp and dentin rather than repair with tissues of periodontal origin. This review details the biological significance of regenerating the pulp-dentin complex, the effects of biological cues in pulp regeneration, and the delivery strategies of biological molecules to enhance the outcomes of regenerative endodontic therapy...
January 2017: Dental Clinics of North America
https://www.readbyqxmd.com/read/27912813/regenerative-endodontic-procedures-clinical-outcomes
#13
REVIEW
Anibal Diogenes, Nikita B Ruparel
Immature teeth are at risk for pulp necrosis, resulting in arrested root development and poor long-term prognosis. There is growing evidence that regenerative endodontic procedures promote desirable clinical outcomes. Despite significant advances in the field of regenerative endodontics and acceptable clinical outcomes, current evidence suggests that the tissues formed following currently used procedures do not completely recapitulate the former pulp-dentin complex. Further research is needed to identify prognostic factors and predictors of successful outcomes and to develop different treatment strategies to better predictably achieve all identified clinical outcomes, while favoring tissue formation that more closely resembles the pulp-dentin complex...
January 2017: Dental Clinics of North America
https://www.readbyqxmd.com/read/27884384/radiographic-outcome-of-necrotic-immature-teeth-treated-with-two-endodontic-techniques-a-retrospective-analysis
#14
COMMENT
Szu-Ju Chen, Li-Ping Chen
BACKGROUND: The endodontic treatment of teeth with immature root has always been a challenge. To achieve a better prognosis, regenerative endodontic treatment may become a treatment trend for teeth with apical periodontitis and immature roots. METHODS: Clinical and radiographic data were collected from 38 endodontic treated immature teeth (21 apexification and 17 regeneration). Measure the radiographic outcome by quantifying the apical lesion. RESULTS: There was no statistical difference between the two treatments regarding PAI scores at the 1-, 3-, 6-, and 12-month follow-up (p > 0...
October 2016: Biomedical Journal
https://www.readbyqxmd.com/read/27871480/release-of-growth-factors-into-root-canal-by-irrigations-in-regenerative-endodontics
#15
Qian Zeng, Sean Nguyen, Hongming Zhang, Hari Priya Chebrolu, Dalia Alzebdeh, Mustafa A Badi, Jong Ryul Kim, Junqi Ling, Maobin Yang
INTRODUCTION: The aim of this study was to investigate the release of growth factors into root canal space after the irrigation procedure of regenerative endodontic procedure. METHODS: Sixty standardized root segments were prepared from extracted single-root teeth. Nail varnish was applied to all surfaces except the root canal surface. Root segments were irrigated with 1.5% NaOCl + 17% EDTA, 2.5% NaOCl + 17% EDTA, 17% EDTA, or deionized water. The profile of growth factors that were released after irrigation was studied by growth factor array...
December 2016: Journal of Endodontics
https://www.readbyqxmd.com/read/27857762/scaffolds-in-regenerative-endodontics-a-review
#16
REVIEW
Kinjal M Gathani, Srinidhi Surya Raghavendra
Root canal therapy has enabled us to save numerous teeth over the years. The most desired outcome of endodontic treatment would be when diseased or nonvital pulp is replaced with healthy pulp tissue that would revitalize the teeth through regenerative endodontics. 'A search was conducted using the Pubmed and MEDLINE databases for articles with the criteria 'Platelet rich plasma', 'Platelet rich fibrin', 'Stem cells', 'Natural and artificial scaffolds' from 1982-2015'. Tissues are organized as three-dimensional structures, and appropriate scaffolding is necessary to provide a spatially correct position of cell location and regulate differentiation, proliferation, or metabolism of the stem cells...
September 2016: Dental Research Journal
https://www.readbyqxmd.com/read/27857514/the-use-of-bioceramics-in-endodontics-literature-review
#17
REVIEW
Stefan Jitaru, Ioana Hodisan, Lucia Timis, Anamaria Lucian, Marius Bud
BACKGROUND AND AIM: Bioceramics are ceramic compounds obtained both in situ and in vivo, by various chemical processes. Bioceramics exhibit excellent biocompatibility due to their similarity with biological materials, like hydroxyapatite. Bioceramics and multi-substituted hydroxyapatite or similar compounds have the ability to induce a regenerative response in the organism. The aim of this paper is to make a literature review on the main bioceramic materials currently used in endodontics and on their specific characteristics...
2016: Clujul Medical (1957)
https://www.readbyqxmd.com/read/27847750/in-vitro-characterization-of-human-dental-pulp-stem-cells-isolated-by-three-different-methods
#18
Ji-Hyun Jang, Hyeon-Woo Lee, Kyu Min Cho, Hee-Woong Shin, Mo Kwan Kang, Sang Hyuk Park, Euiseong Kim
OBJECTIVES: In this study, we characterized human dental pulp cells (HDPCs) obtained by different culture methods to establish the most suitable methodology for dental tissue engineering and regenerative endodontic applications. MATERIALS AND METHODS: HDPCs were isolated by the outgrowth method (HDPCs-OG), the enzymatic digestion method (collagenase/dispase/trypsin, HDPCs-ED), or the combination of both methods (HDPCs-Combined). The expression of mesenchymal stem cell markers (CD105, CD90, and CD73) was investigated...
November 2016: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/27845274/potential-applications-of-antimicrobial-peptides-and-their-mimics-in-combating-caries-and-pulpal-infections
#19
REVIEW
Sui Mai, Matthew T Mauger, Li-Na Niu, Jonathan B Barnes, Solon Kao, Brian E Bergeron, Jun-Qi Ling, Franklin R Tay
: Antimicrobial peptides (AMPs) are short cationic host-defense molecules that provide the early stage of protection against invading microbes. They also have important modulatory roles and act as a bridge between innate and acquired immunity. The types and functions of oral AMPs were reviewed and experimental reports on the use of natural AMPs and their synthetic mimics in caries and pulpal infections were discussed. Natural AMPs in the oral cavity, predominantly defensins, cathelidin and histatins, possess antimicrobial activities against oral pathogens and biofilms...
November 11, 2016: Acta Biomaterialia
https://www.readbyqxmd.com/read/27790258/evaluation-of-cytotoxic-effects-of-various-endodontic-irrigation-solutions-on-the-survival-of-stem-cell-of-human-apical-papilla
#20
Narges Farhad Mollashahi, Eshaghali Saberi, Hamed Karkehabadi
INTRODUCTION: Root canal disinfection is an important step in regenerative endodontic treatments. An ideal irrigating solution must have high antimicrobial activity and minimum cytotoxicity. This study sought to assess the effect of some irrigating solutions on stem cells from the human apical papilla (SCAP) after different periods of exposure. METHODS AND MATERIALS: Stem cells were isolated from immature, impacted mandibular third molars, transferred to 24-well plates, randomly divided into 6 experimental groups and exposed to BioPure MTAD Cleanser, QMix, 17% EDTA, 2% chlorhexidine (CHX), 5...
2016: Iranian Endodontic Journal
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