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Journal of Endodontics

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https://www.readbyqxmd.com/read/29970237/patient-centered-outcomes-assessment-of-retreatment-and-endodontic-microsurgery-using-cone-beam-computed-tomographic-volumetric-analysis
#1
Darrell M Curtis, Richard A VanderWeele, Jarom J Ray, James A Wealleans
INTRODUCTION: Outcomes assessment of retreatment and endodontic microsurgery (EMS) are traditionally based on clinical findings and radiographs. The purpose of this study was to assess the volumetric change of periapical radiolucencies (PARLs) by cone-beam computed tomographic (CBCT)-based analysis in retreatment and EMS cases. METHODS: For 68 retreatment and 57 EMS cases, preoperative and recall clinical data, periapical (PA) radiographs, and CBCT imaging were retrospectively obtained...
June 30, 2018: Journal of Endodontics
https://www.readbyqxmd.com/read/29958677/synthetic-clay-based-hypoxia-mimetic-hydrogel-for-pulp-regeneration-the-impact-on-cell-activity-and-release-kinetics-based-on-dental-pulp-derived-cells-in-vitro
#2
Anna Sonja Müller, Mara Artner, Klara Janjić, Michael Edelmayer, Christoph Kurzmann, Andreas Moritz, Hermann Agis
INTRODUCTION: Thixotropic synthetic clays have been successfully used for tissue engineering in regenerative medicine. The impact of these clays on the dental pulp, in particular in combination with hypoxia-based approaches using hypoxia mimetic agents (HMAs), is unknown. Our aim was to reveal the response of dental pulp-derived cells (DPCs) to a synthetic clay-based hydrogel and evaluate the release of HMAs. METHODS: Using resazurin-based toxicity assays, live-dead staining, and 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide staining, the viability of human DPCs seeded onto a synthetic clay-based hydrogel of 5%-0...
June 26, 2018: Journal of Endodontics
https://www.readbyqxmd.com/read/29935875/does-maintaining-apical-patency-during-instrumentation-increase-postoperative-pain-or-flare-up-rate-after-nonsurgical-root-canal-treatment-a-systematic-review-of-randomized-controlled-trials
#3
REVIEW
Ibrahim Ethem Yaylali, Gözde Kandemir Demirci, Safa Kurnaz, Gul Celik, Buglem Ureyen Kaya, Yasar Meric Tunca
INTRODUCTION: The concept of maintaining apical patency (AP) is a controversial issue in endodontics. The primary objectives of this systematic review of randomized controlled trials (RCTs) were to determine the influence of maintaining AP during instrumentation on postoperative pain severity and the prevalence of flare-ups. A second objective was to assess the effect of maintaining AP on the use of analgesics. METHODS: RCTs and controlled clinical trials were searched for in MEDLINE (Ovid), Embase (Ovid), and the Cochrane Library...
June 20, 2018: Journal of Endodontics
https://www.readbyqxmd.com/read/29935874/design-variability-of-the-push-out-bond-test-in-endodontic-research-a-systematic-review
#4
REVIEW
James Brichko, Michael F Burrow, Peter Parashos
INTRODUCTION: There is limited literature on the impact of testing variables on the push-out bond test (POBT). This review identified designs of the POBT used in the endodontic literature and aimed to determine which experimental variables may influence the push-out bond strength (POBS). METHODS: A systematic review based on PRISMA guidelines was performed by searching the PubMed, SCOPUS, and Cochrane library databases using terms including push-out and dislocation resistance and descriptions of endodontic materials...
June 20, 2018: Journal of Endodontics
https://www.readbyqxmd.com/read/29935873/the-effect-of-apical-positive-and-negative-pressure-irrigation-methods-on-postoperative-pain-in-mandibular-molar-teeth-with-symptomatic-irreversible-pulpitis-a-randomized-clinical-trial
#5
Hüseyin Sinan Topçuoğlu, Gamze Topçuoğlu, Hakan Arslan
INTRODUCTION: This study compared the effect of conventional needle irrigation (positive pressure) and the EndoVac system (Discus Dental, Culver City, CA) (negative pressure) on postoperative pain in mandibular molar teeth with symptomatic irreversible pulpitis. METHODS: One hundred sixteen patients with symptomatic irreversible pulpitis were selected. Teeth were randomly assigned to 2 groups according to the irrigation methods performed during root canal preparation...
June 20, 2018: Journal of Endodontics
https://www.readbyqxmd.com/read/29935872/mucoepidermoid-carcinoma-mimicking-a-lesion-of-endodontic-origin
#6
Bradley A Trattner, Yaakov Barak, Patricia A Tordik
Cancer of the oral cavity and pharynx ranks eighth among the top 10 cancer sites in all United States males. Salivary gland tumors (SGTs) are uncommon, and malignancies in SGT are even more uncommon than benign tumors. Intraoral minor SGTs are rare, and when they do occur, the tumor is often benign. The purpose of this report is to present a case of a malignant, intraoral minor SGT mimicking a lesion of endodontic origin. Histopathologic analysis determined the tumor to be a high-grade mucoepidermoid carcinoma...
June 20, 2018: Journal of Endodontics
https://www.readbyqxmd.com/read/29935871/effect-of-bioceramic-materials-on-proliferation-and-odontoblast-differentiation-of-human-stem-cells-from-the-apical-papilla
#7
Ninnita Wongwatanasanti, Jeeraphat Jantarat, Hathaitip Sritanaudomchai, Kenneth M Hargreaves
INTRODUCTION: In regenerative endodontic treatment (RET), practitioners favor the placement of bioceramics as sealing materials over blood clots. It is important to understand the interaction between sealing material and cells in the root canal. The purpose of this study was to compare the effectiveness of various bioceramic materials (ProRoot MTA [Dentsply, Tulsa, OK], Biodentine [Septodont, Saint-Maur-des-Fossés, France], and RetroMTA [BioMTA, Seoul, Korea]) as sealing materials in RET for the proliferation and differentiation of stem cells from the apical papilla (SCAPs)...
June 20, 2018: Journal of Endodontics
https://www.readbyqxmd.com/read/29935870/the-expression-of-interferon-regulatory-factor-8-in-human-periapical-lesions
#8
Jingjing Yu, Mingwen Liu, Lingxin Zhu, Shenting Zhu, Fengyuan Lv, Yanqing Wang, Li Wang, Bin Peng
INTRODUCTION: Interferon regulatory factor 8 (IRF8) is a critical transcription factor in innate immune responses that regulates the development and function of myeloid cells. Human periapical lesions are caused by endodontic microbial infections. However, the presence of IRF8 in human periapical lesions remains elusive. This study aims to explore the expression of IRF8 in human periapical lesions and the possible association of IRF8 with macrophages, nuclear factor kappa B (NF-κB) signaling, and the autophagy process...
June 20, 2018: Journal of Endodontics
https://www.readbyqxmd.com/read/29935869/influence-of-extraoral-apicoectomy-on-revascularization-of-an-autotransplanted-tooth-a-case-report
#9
Norbert Jakse, Max Ruckenstuhl, Petra Rugani, Barbara Kirnbauer, Armin Sokolowski, Kurt Ebeleseder
Autotransplantation is considered a standard procedure with a poorer prognosis for mature than for immature teeth. In this case report, the root tip of an almost fully developed tooth was resected during autotransplantation to fit into a deficient recipient site. As a positive side effect, the apical foramen was enlarged, with potential improvement of the probability of revascularization. Clinical and radiologic follow-up examinations up to 18 months indicated revascularization and uneventful periodontal regeneration and thus successful autotransplantation...
June 20, 2018: Journal of Endodontics
https://www.readbyqxmd.com/read/29935868/rotary-versus-reciprocation-root-canal-preparation-initial-clinical-quality-assessment-in-a-novice-clinician-cohort
#10
Hamid R Hamid, Alan H Gluskin, Ove A Peters, Christine I Peters
INTRODUCTION: Reports comparing clinical outcomes using nickel-titanium (NiTi) reciprocating instruments with other instrumentation modalities are scarce. This study examined initial shaping outcomes after an instrumentation change of root canal instrumentation technique in a doctor of dental surgery educational program. Student characteristics, faculty/student ratio, facility, and overall endodontic treatment guidelines remained unchanged. METHODS: A total of 200 nonsurgical initial molar root canal treatments completed by third-year dental students were evaluated...
June 20, 2018: Journal of Endodontics
https://www.readbyqxmd.com/read/29910031/biomechanical-properties-of-first-maxillary-molars-with-different-endodontic-cavities-a-finite-element-analysis
#11
Qianzhou Jiang, Yuting Huang, XinRan Tu, Zhengmao Li, Ying He, Xuechao Yang
INTRODUCTION: The aim of this study was to compare the biomechanical properties of first maxillary molars with different endodontic cavities using the finite element method. METHODS: Three finite element analysis models of a maxillary first molar were designed and constructed with 3 different types of endodontic cavities: a traditional endodontic cavity, a conservative endodontic cavity, and an extended endodontic cavity. An intact tooth model was used for comparison...
June 14, 2018: Journal of Endodontics
https://www.readbyqxmd.com/read/29908692/apically-extruded-debris-in-curved-root-canals-using-the-waveone-gold-reciprocating-and-twisted-file-adaptive-systems
#12
Daiana Boijink, Débora Delai Costa, Carolina Bender Hoppe, Patrícia Maria Polli Kopper, Fabiana Saores Grecca
INTRODUCTION: The purpose of this study was to evaluate apical debris extrusion associated with different kinematics in curved root canals. METHODS: Forty-five extracted mandibular molars with root curvature angles ranging between 20° and 40° and curvature radii <10 mm were randomly assigned to 3 groups (n = 15) according to the kinematics used for root canal preparation: reciprocating motion with the WaveOne Gold system (Dentsply Tulsa Dental, Tulsa, OK), rotary/reciprocating motion with the Twisted File Adaptive system (SybronEndo, Orange, CA), and the manual technique...
June 13, 2018: Journal of Endodontics
https://www.readbyqxmd.com/read/29866405/incidence-of-root-resorption-after-the-replantation-of-avulsed-teeth-a-meta-analysis
#13
REVIEW
Beatriz Dulcineia Mendes Souza, Kamile Leonardi Dutra, Morgane Marion Kuntze, Eduardo Antunes Bortoluzzi, Carlos Flores-Mir, Jessie Reyes-Carmona, Wilson Tadeu Felippe, André Luís Porporatti, Graziela De Luca Canto
INTRODUCTION: An avulsion injury is a serious trauma to pulp and periodontal tissues. After avulsion and replantation, teeth are at risk of infection and root resorption, which may affect treatment outcome and survival rate. Thus, the purpose of this systematic review was to evaluate the incidence of root resorption after the replantation of avulsed teeth. METHODS: Two reviewers searched 7 electronic databases for observational studies involving human subjects that evaluated the incidence of root resorption after tooth avulsion...
June 1, 2018: Journal of Endodontics
https://www.readbyqxmd.com/read/29709296/efficacy-of-corticosteroids-on-postoperative-endodontic-pain-a-systematic-review-and-meta-analysis
#14
REVIEW
Sayna Shamszadeh, Armin Shirvani, Mohammad Jafar Eghbal, Saeed Asgary
INTRODUCTION: The purpose of this systematic review and meta-analysis was to evaluate the effectiveness of corticosteroids on postoperative endodontic pain and to determine/adjust between-trial heterogeneity using meta-regression analysis. METHODS: A systematic literature search was conducted to identify randomized clinical trials using corticosteroids to manage postoperative endodontic pain in adults. The outcome measure was pain intensity scores at 6, 12, and 24 hours postoperatively...
April 28, 2018: Journal of Endodontics
https://www.readbyqxmd.com/read/29941111/guided-endodontic-access-of-calcified-anterior-teeth
#15
Warley Luciano Fonseca Tavares, Ana Cecília Diniz Viana, Vinícius de Carvalho Machado, Luiz Carlos Feitosa Henriques, Antônio Paulino Ribeiro Sobrinho
Pulp canal calcification is characterized by the deposition of calcified tissue along the canal walls. As a result, the root canal space can become partially or completely obliterated. Recently, "guided endodontics" has been reported as an alternative solution in cases of partial or completed canal obliteration. Although this technique can enhance minimally invasive access to the calcified canal, it has been shown that the incisal surfaces are often removed during the access of anterior teeth. This report describes 2 cases of guided endodontics using conventional palatal access in calcified anterior teeth and discusses the applicability of this approach in cases of pulp canal calcification with apical periodontitis and acute symptoms...
July 2018: Journal of Endodontics
https://www.readbyqxmd.com/read/29941110/comparative-expression-of-cd34-intercellular-adhesion-molecule-1-and-podoplanin-and-the-presence-of-mast-cells-in-periapical-granulomas-cysts-and-residual-cysts
#16
Cristiane Barbosa Lopes, Luciana Armada, Fábio Ramôa Pires
INTRODUCTION: The aim of the present study was to compare the immunoexpression of CD34, intercellular adhesion molecule-1 (ICAM-1), and podoplanin and the presence of mast cells with clinical, demographic, radiologic, and histologic features from periapical granulomas, periapical cysts, and residual cysts. METHODS: Thirty-one lesions (5 granulomas, 15 periapical cysts, and 11 residual cysts) were selected. Histologic sections in silanized slides were used for the immunohistochemical reactions...
July 2018: Journal of Endodontics
https://www.readbyqxmd.com/read/29891179/erratum
#17
(no author information available yet)
No abstract text is available yet for this article.
July 2018: Journal of Endodontics
https://www.readbyqxmd.com/read/29884339/poly-adenosine-phosphate-ribose-polymerase-1-inhibition-enhances-brain-derived-neurotrophic-factor-secretion-in-dental-pulp-stem-cell-derived-odontoblastlike-cells
#18
Yessenia Valverde, Raghuvaran Narayanan, Satish B Alapati, Fanny Chmilewsky, Chun-Chieh Huang, Sriram Ravindran, Seung H Chung
INTRODUCTION: The nuclear enzyme poly(adenosine phosphate ribose) polymerase 1 (PARP-1) has been implicated in the maintenance and differentiation of several stem cells. The role of PARP-1 in dental pulp stem cell (DPSC) differentiation, especially in the context of its ability to modulate nerve regeneration factors, has not been investigated. Regeneration of neuronal components in pulp tissue is important for the assessment of tooth vitality. Brain-derived neurotrophic factor (BDNF) is known to play an integral signaling factor during nerve regeneration...
July 2018: Journal of Endodontics
https://www.readbyqxmd.com/read/29884338/effects-of-different-glide-path-files-on-apical-debris-extrusion-in-curved-root-canals
#19
Betul Gunes, Kubra Yesildal Yeter
INTRODUCTION: Creating a glide path before root canal preparation with nickel-titanium rotary files is essential to prevent the file fracture and to maintain the original root canal configuration. Both rotary glide path files and manual K-files are used to create a glide path. The aim of this study was to compare the amount of apically extruded debris after using different glide path files before preparing curved root canals with the WaveOne Gold single-file reciprocating system (Dentsply Maillefer, Ballaigues, Switzerland)...
July 2018: Journal of Endodontics
https://www.readbyqxmd.com/read/29884337/accuracy-of-digital-periapical-radiography-and-cone-beam-computed-tomography-for-diagnosis-of-natural-and-simulated-external-root-resorption
#20
Ângela Graciela Deliga Schröder, Fernando Henrique Westphalen, Julio Cesar Schröder, Ângela Fernandes, Vânia Portela Ditzel Westphalen
INTRODUCTION: The aim of this study was to compare the sensitivity and specificity of digital periapical radiography and cone-beam computed tomographic (CBCT) imaging in the detection of natural and simulated external root resorptions (ERRs) with micro-computed tomographic (micro-CT) imaging as the reference standard. METHODS: One hundred twenty-six teeth were scanned using the SkyScan 1172 micro-CT scanner (Bruker microCT, Kontich, Belgium), and the images were evaluated using NRecon software (Bruker microCT)...
July 2018: Journal of Endodontics
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