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Journal of Endodontics

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
Venkateshbabu Nagendrababu, Shaju Jacob Pulikkotil, Sajesh K Veettil, Nattawat Teerawattanapong, Frank C Setzer
INTRODUCTION: Successful anesthesia with an inferior alveolar nerve block (IANB) is imperative for treating patients with irreversible pulpitis in mandibular teeth. This systematic review assessed the efficacy of nonsteroidal anti-inflammatory drugs (NSAIDs) as oral premedications on the success of IANBs in irreversible pulpitis. METHODS: Three databases were searched to identify randomized clinical trials (RCTs) published up until September 2017. Retrieved RCTs were evaluated using the revised Cochrane Risk of Bias Tool...
April 27, 2018: Journal of Endodontics
Masaki Sato, Kazuhiro Ogura, Maki Kimura, Koichi Nishi, Masayuki Ando, Masakazu Tazaki, Yoshiyuki Shibukawa
INTRODUCTION: Various stimuli to the dentin surface elicit dentinal pain by inducing dentinal fluid movement causing cellular deformation in odontoblasts. Although odontoblasts detect deformation by the activation of mechanosensitive ionic channels, it is still unclear whether odontoblasts are capable of establishing neurotransmission with myelinated A delta (Aδ) neurons. Additionally, it is still unclear whether these neurons evoke action potentials by neurotransmitters from odontoblasts to mediate sensory transduction in dentin...
April 27, 2018: Journal of Endodontics
Shebin Hong, Weiting Chen, Beizhan Jiang
INTRODUCTION: Concentrated growth factor (CGF) is considered to be a natural biomaterial that is better than platelet-rich fibrin (PRF) in bone regeneration, but there is little information acquired in regenerative endodontics. Therefore, the purpose of this study was to evaluate their effects on the proliferation, migration, and differentiation of human stem cells of the apical papilla (SCAPs). METHODS: CGF- and PRF-conditioned medium were prepared using the freeze-dried method...
April 24, 2018: Journal of Endodontics
André Vinícius Kaled Segato, Lucila Piasecki, Marcos Felipe Iparraguirre Nuñovero, Ulisses Xavier da Silva Neto, Vânia Portela Ditzel Westphalen, Gianluca Gambarini, Everdan Carneiro
INTRODUCTION: This study investigates the accuracy of 3D Endo software (Dentsply Sirona, Salzburg, Austria) to determine the working length when using preoperative cone-beam computed tomographic (CBCT) scans of extracted teeth, compared with conventional CBCT software and an electronic apex locator (EAL). METHODS: CBCT scans of 30 premolars were obtained. Using OnDemand3D software (Cybermed, Seoul, Korea), the measurement obtained from the coronal reference to the apical foramen (AF) was recorded as the conventional CBCT length...
April 24, 2018: Journal of Endodontics
Diana G Soares, Giovanna Anovazzi, Ester Alves F Bordini, Uxua O Zuta, Maria Luísa A Silva Leite, Fernanda G Basso, Josimeri Hebling, Carlos A de Souza Costa
INTRODUCTION: The improvement of biomaterials capable of driving the regeneration of the pulp-dentin complex mediated by resident cells is the goal of regenerative dentistry. In the present investigation, a chitosan scaffold (CHSC) that released bioactive concentrations of simvastatin (SIM) was tested, aimed at the development of a cell-free tissue engineering system. METHODS: First, we performed a dose-response assay to select the bioactive dose of SIM capable of inducing an odontoblastic phenotype in dental pulp cells (DPCs); after which we evaluated the synergistic effect of this dosage with the CHSC/DPC construct...
April 24, 2018: Journal of Endodontics
Prashant Verma, Patricia Tordik, Ali Nosrat
Several clear, transparent solutions are used in endodontics. Inappropriate dispensing methods can lead to accidental injection or accidental irrigation. These accidents can cause permanent tissue damage including damage to the bone, periodontium, nerves, and vasculature. This article reports on the consequences of an accidental chloroform injection. Nonsurgical retreatment of tooth #8 was planned as part of a restorative treatment plan in a 69-year-old woman. The dentist accidentally injected chloroform instead of local anesthesia because chloroform was loaded into the anesthetic syringe...
April 24, 2018: Journal of Endodontics
Meetu R Kohli, Homayon Berenji, Frank C Setzer, Su-Min Lee, Bekir Karabucak
INTRODUCTION: The aim of the present study was to investigate the influence of root-end preparation and filling material on endodontic surgery outcome. A systematic review and meta-analysis was conducted to determine the outcome of resin-based endodontic surgery (RES, the use of high-magnification preparation of a shallow and concave root-end cavity and bonded resin-based root-end filling material) versus endodontic microsurgery (EMS, the use of high-magnification ultrasonic root-end preparation and root-end filling with SuperEBA [Keystone Industries, Gibbstown, NJ], IRM [Dentsply Sirona, York, PA], mineral trioxide aggregate [MTA], or other calcium silicate cements)...
April 19, 2018: Journal of Endodontics
Nessrin A Taha, Sakhaa Z Abdulkhader
INTRODUCTION: This prospective study evaluated the outcome of Biodentine (Septodont, Saint Maur des Fosses, France) pulpotomy in young permanent teeth with carious exposure. METHODS: Twenty permanent molar teeth in 14 patients with carious pulp exposure were treated with Biodentine pulpotomy. The age of the patients ranged from 9-17 years (12.3 ± 2.7 years). A preoperative pulpal and periapical diagnosis was established. After informed consent, the tooth was anesthetized, isolated via a dental dam, and disinfected with 5% sodium hypochlorite before caries excavation...
April 19, 2018: Journal of Endodontics
Ali Keles, Cangül Keskin
INTRODUCTION: The present study aimed to quantitatively analyze apical foramen deviations of mesial root canals of mandibular first molar teeth by means of micro-computed tomographic (micro-CT) imaging. METHODS: Micro-CT images of the mesial roots of 109 mandibular first molar teeth with independent mesiobuccal (MB) and mesiolingual (ML) root canals were analyzed. The deviations of the apical foramina of the MB, ML, and middle mesial root canals from the anatomic apex were measured...
April 19, 2018: Journal of Endodontics
Daisy Bachala, Nivine El-Refai, Edward Greenfield, Anita Aminoshariae, Andre Mickel
INTRODUCTION: To date, no study has investigated the antiresorptive property of lunasin. Hence, the present study aimed to assess the ability of lunasin to inhibit the osteoclast formation using RAW 264.7 cells. We hypothesized that lunasin is able to inhibit osteoclast formation. METHODS: In the present study, the murine monocytic cell line RAW 264.7 was induced to differentiate into mature osteoclasts in the presence of recombinant receptor activator of nuclear factor kappa-B ligand...
April 18, 2018: Journal of Endodontics
Emmanuel João Nogueira Leal Silva, Fernanda Hecksher, Henrique Dos Santos Antunes, Gustavo De-Deus, Carlos Nelson Elias, Victor Talarico Leal Vieira
INTRODUCTION: The aim of the present study was to evaluate the influence of blue thermal treatment on the torsional resistance behavior of M-Wire Reciproc files (VDW, Munich, Germany). METHODS: Ten M-Wire Reciproc R25 (25/0.08v) and 10 Reciproc Blue R25 (25/0.08v, VDW) instruments were used. The torque and angle of rotation at failure of new instruments (n = 10) were measured according to ISO 3630-1. Three millimeters of each instrument tip was clamped to a small load cell by a lever arm linked to the torsion axis...
April 18, 2018: Journal of Endodontics
A Johanna Leven, Banoo Sood
This case report highlights an incidental finding of an anatomic variation of a neurovascular channel in close proximity to the maxillary right permanent lateral incisor (tooth #7). A 32-year-old patient presented with discomfort and a history of trauma in childhood to the right maxillary central incisor (tooth #8). A periapical radiograph of tooth #8 revealed an incidental finding of a radiolucent area in the apical one third of the right maxillary lateral incisor (tooth #7) root with the appearance of inflammatory apical root resorption...
April 18, 2018: Journal of Endodontics
Akina Sugiuchi, Yousuke Sano, Masahiro Furusawa, Shu Abe, Takashi Muramatsu
INTRODUCTION: Lipopolysaccharide (LPS) is a major component of the outer membranes of gram-negative bacteria associated with deep dental caries and pulpitis. When bacteria invade dentinal tubes and dentin is continually destroyed, tertiary dentin is formed by preexisting odontoblasts. However, the relationship between LPS and tertiary dentin formation remains unclear. We investigated whether LPS stimulation induces the formation of hard tissue in human dental pulp cells (hDPCs). METHODS: Immortalized hDPCs were cultured, and Escherichia coli-derived LPS (1 μg/mL) was incorporated into the culture medium...
April 18, 2018: Journal of Endodontics
Ming-Gene Tu, Chia-Che Ho, Tuan-Ti Hsu, Tsui-Hsien Huang, Min-Jhen Lin, Ming-You Shie
INTRODUCTION: This research was intended to evaluate the feasibility of mineral trioxide aggregate (MTA) powder coated with polydopamine (PDA) in dental and bone tissue regeneration by investigating the hydration, physicochemical properties, and biological performance of hydrated cements. METHODS: The MTA powder was well suspended in a dopamine solution buffered at a pH of 8.5 using tris(hydroxymethyl)aminomethane buffer and vigorously stirred for 12 hours at room temperature...
April 18, 2018: Journal of Endodontics
Emel Uzunoglu-Özyürek, Özge Erdoğan, Sevinç Aktemur Türker
INTRODUCTION: The purpose of this study was to evaluate the effect of calcium hydroxide (Ca[OH]2 ) dressing on the dentinal tubule penetration of epoxy resin-based sealer (AH 26; Dentsply Maillefer, Ballaigues, Switzerland) and tricalcium silicate-based sealer (BioRoot RCS; Septodont, Saint Maurdes Fosses, France). METHODS: Fifty-two single-rooted mandibular premolars were used. Four samples were assigned as the positive control. Twenty-four samples received Ca(OH)2 labeled with rhodamine B, whereas the rest did not...
April 18, 2018: Journal of Endodontics
Reem Siraj Alsulaimani
INTRODUCTION: This histologic study aimed to measure the morphometric and morphologic changes in periodontal tissue after immediate and delayed mineral trioxide aggregate (MTA) repair of 2 sizes of furcal perforations. METHODS: There were 72 premolars from 12 beagle dogs that were divided equally into 4 experimental and 2 control groups (n = 12). Experimental groups included immediate small (0.6 mm in diameter), immediate large (1.8 mm in diameter), delayed (30 days) small, and delayed large furcal perforation MTA repair...
April 18, 2018: Journal of Endodontics
Taha Özyürek, Gülşah Uslu, Koray Yılmaz, Mustafa Gündoğar
INTRODUCTION: The purpose of this article was to compare the cyclic fatigue resistance of Reciproc and Reciproc Blue files (VDW GmbH, Munich, Germany) that were used to prepare root canals of mandibular molar teeth with or without a glide path. METHODS: Sixty Reciproc R25 and 60 Reciproc Blue R25 files were used. The Reciproc and Reciproc Blue groups were divided into 3 subgroups (ie, as received condition, used without a glide path, and used with a glide path)...
April 18, 2018: Journal of Endodontics
Marianella Natera, Padma M Mukherjee
Dens evaginatus is a developmental tooth anomaly in which an extra cusp or tubercle protrudes on the occlusal surface of the tooth along with some pulpal tissue. Because of the fragile nature of the protrusion, these teeth are often at risk of pulpal exposure. When this occurs in an immature tooth, regenerative endodontic treatment may be a good treatment approach to promote root formation. There is limited literature that documents the occurrence of orthodontic treatment in teeth that have undergone regenerative endodontic therapy using triple antibiotic paste...
April 6, 2018: Journal of Endodontics
Elizabeth A Chybowski, Gerald N Glickman, Yogesh Patel, Alex Fleury, Eric Solomon, Jianing He
INTRODUCTION: One of the important steps in root canal treatment is to create a well-sealed root canal system. EndoSequence BC Sealer (BC; Brasseler USA, Savannah, GA) has several beneficial properties and thus has been incorporated into the practitioner's armamentarium. No studies to date have evaluated the clinical success of using BC. The purpose of this study was to evaluate the outcome of nonsurgical root canal treatment using a single-cone and BC technique and to identify factors associated with success or failure...
March 29, 2018: Journal of Endodontics
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