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https://www.readbyqxmd.com/read/29142880/comparison-of-apical-extrusion-of-intracanal-bacteria-by-various-glide-path-establishing-systems-an-in-vitro-study
#1
Alberto Dagna, Rashid El Abed, Sameeha Hussain, Ibrahim H Abu-Tahun, Livia Visai, Federico Bertoglio, Floriana Bosco, Riccardo Beltrami, Claudio Poggio, Hyeon-Cheol Kim
Objectives: This study compared the amount of apically extruded bacteria during the glide-path preparation by using multi-file and single-file glide-path establishing nickel-titanium (NiTi) rotary systems. Materials and Methods: Sixty mandibular first molar teeth were used to prepare the test apparatus. They were decoronated, blocked into glass vials, sterilized in ethylene oxide gas, infected with a pure culture of Enterococcus faecalis, randomly assigned to 5 experimental groups, and then prepared using manual stainless-steel files (group KF) and glide-path establishing NiTi rotary files (group PF with PathFiles, group GF with G-Files, group PG with ProGlider, and group OG with One G)...
November 2017: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/29116496/influence-of-a-calcium-hydroxide-based-intracanal-dressing-on-the-quality-of-the-root-canal-filling-assessed-by-capillary-flow-porometry
#2
Amir-Teymour Moinzadeh, Roeland J G De Moor, Mieke A A De Bruyne
OBJECTIVE: The objective of this study is to evaluate the influence of a calcium hydroxide intracanal dressing (CH) on the short- and long-term sealing ability of the root canal filling using capillary flow porometry (CFP). MATERIALS AND METHODS: To verify the repeatability of the method, five obturated specimens were submitted to CFP. Measurements were repeated three times and compared with the non-parametric Friedman test. Forty-five instrumented palatal roots were randomly divided into three groups...
November 7, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29116494/clinical-and-microbiological-effectiveness-of-photodynamic-therapy-on-primary-endodontic-infections-a-6-month-randomized-clinical-trial
#3
Rachel Garcia de Miranda, Ana Paula Vieira Colombo
INTRODUCTION: This short-term randomized controlled trial evaluated the effectiveness of photodynamic therapy (PDT) on clinical success (periapical healing) and on the microbiota of primary endodontic infections. METHODS: Thirty-two patients presenting mandibular molars with apical periodontitis (one tooth/patient) were selected and randomly allocated into two therapeutic groups: control (chemo-mechanical debridement [CMD]; n = 16) and PDT (CMD + PDT; n = 16)...
November 7, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29109749/push-out-bond-strength-of-different-intracanal-posts-in-the-anterior-primary-teeth-according-to-root-canal-filling-materials
#4
Nilgoon Pasdar, Bahman Seraj, Mostafa Fatemi, Shirin Taravati
Background: This study was carried out to evaluate the effect of root canal filling on the bond strength of three intracanal posts in the primary incisors. Materials and Methods: Sixty primary incisors were prepared and then divided into two groups (n = 30). The first group canals obturated with zinc oxide eugenol (ZOE) and Group 2 canals obturated with Metapex. Further, the two group categories were divided into three subgroups (n = 10): (1) short composite post (SCP), (2) glass fiber posts (GFPs) cemented with flowable composite, and (3) GFP with glass ionomer cement (GFP + GIC)...
September 2017: Dental Research Journal
https://www.readbyqxmd.com/read/29104387/evaluation-of-antimicrobial-efficacy-of-various-intracanal-medicaments-in-primary-teeth-an-in-vivo-study
#5
Brahmananda Dutta, Kanika S Dhull, Debasmita Das, P V Samir, Rajnish K Verma, Nipa Singh
Introduction: Bacteria and their products play a primary etiological role in the initiation and perpetuation of pulpoperiapical pathosis. Intracanal medication is important for endodontic success as it eliminates microorganisms that persist after chemomechanical preparation. Aim: To compare antimicrobial efficacy of calcium hydroxide powder, triple antibiotic paste, calcium hydroxide with 2% chlorhexidine solution, and triple antibiotic paste with 2% chlorhexidine solution...
July 2017: International Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/29099365/removal-of-calcium-hydroxide-intracanal-medicament-by-different-irrigants-and-irrigating-techniques-a-cone-beam-computed-tomography-analysis
#6
Prasanna Neelakantan, Priyanka Sriraman, James L Gutmann
The aim of this study was to use cone beam computed tomography (CBCT) to evaluate the removal of calcium hydroxide (Ca[OH]2) from root canals after using different irrigation and activation protocols. Root canals (n = 128) were filled with Ca(OH)2 and scanned using CBCT. The Ca(OH)2 was removed after 1 week using 1 of 12 groups (G1-G12) according to the final irrigating solution: G1, 6% sodium hypochlorite (NaOCl) + 18% etidronic acid (EA) with no activation; G2, NaOCL + EA + passive ultrasonic irrigation (PUI); G3, NaOCl + EA + Finishing File (FF); G4, NaOCl + EA + NaviTip FX irrigation needle (NTFX); G5, 3% NaOCl + 17% ethylenediaminetetraacetic acid (EDTA) with no activation; G6, NaOCl + EDTA + PUI; G7, NaOCl + EDTA + FF; G8, NaOCl + EDTA + NTFX; G9, 3% NaOCl with no activation; G10, NaOCl + PUI; G11, NaOCl + FF; G12, NaOCL + NTFX...
November 2017: General Dentistry
https://www.readbyqxmd.com/read/29079057/intracanal-cryotherapy-reduces-postoperative-pain-in-teeth-with-symptomatic-apical-periodontitis-a-randomized-multicenter-clinical%C3%A2-trial
#7
Jorge Vera, Jorge Ochoa, Monica Romero, Marino Vazquez-Carcaño, Cesar Omar Ramos-Gregorio, Ruben Rosas Aguilar, Alvaro Cruz, Philippe Sleiman, Ana Arias
INTRODUCTION: A prospective, multicentered, randomized clinical trial was designed to assess if controlled irrigation with cold saline could result in less incidence and intensity of postoperative pain in patients presenting with pulp necrosis and symptomatic apical periodontitis. METHODS: A total of 210 patients (presenting with necrotic uniradicular teeth with a diagnosis of symptomatic apical periodontitis and a preoperative visual analog scale (VAS) score higher than 7) were randomly allocated in the control or experimental group after the completion of shaping and cleaning procedures...
October 24, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/29079056/large-periapical-or-cystic-lesions-in-association-with-roots-having-open-apices-managed-nonsurgically-using-1-step-apexification-based-on-platelet-rich-fibrin-matrix-and-biodentine-apical-barrier-a-case-series
#8
Sarang Sharma, Vivek Sharma, Deepak Passi, Dhirendra Srivastava, Shibani Grover, Shubha Ranjan Dutta
Teeth having open apices in the absence of a natural apical constriction pose several challenges during conventional endodontic treatment, especially when establishing an apical seal. Treatment is further challenging when these teeth are associated with large periapical or cystic lesions having resulted in expansion and/or thinning of adjacent cortical plates. Although surgical intervention is commonly adopted in the management of such cases, a conservative treatment option offering equally good prognosis is always desirable...
October 24, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/29069143/factors-affecting-the-periapical-healing-process-of-endodontically-treated-teeth
#9
Roberto Holland, João Eduardo Gomes, Luciano Tavares Angelo Cintra, Índia Olinta de Azevedo Queiroz, Carlos Estrela
Tissue repair is an essential process that reestablishes tissue integrity and regular function. Nevertheless, different therapeutic factors and clinical conditions may interfere in this process of periapical healing. This review aims to discuss the important therapeutic factors associated with the clinical protocol used during root canal treatment and to highlight the systemic conditions associated with the periapical healing process of endodontically treated teeth. The antibacterial strategies indicated in the conventional treatment of an inflamed and infected pulp and the modulation of the host's immune response may assist in tissue repair, if wound healing has been hindered by infection...
September 2017: Journal of Applied Oral Science: Revista FOB
https://www.readbyqxmd.com/read/29061356/clindamycin-modified-triple-antibiotic-nanofibers-a-stain-free-antimicrobial-intracanal-drug-delivery-system
#10
Ashley Karczewski, Sabrina A Feitosa, Ethan I Hamer, Divya Pankajakshan, Richard L Gregory, Kenneth J Spolnik, Marco C Bottino
INTRODUCTION: A biocompatible strategy to promote bacterial eradication within the root canal system after pulpal necrosis of immature permanent teeth is critical to the success of regenerative endodontic procedures. This study sought to synthesize clindamycin-modified triple antibiotic (metronidazole, ciprofloxacin, and clindamycin [CLIN]) polymer (polydioxanone [PDS]) nanofibers and determine in vitro their antimicrobial properties, cell compatibility, and dentin discoloration. METHODS: CLIN-only and triple antibiotic CLIN-modified (CLIN-m, minocycline-free) nanofibers were processed via electrospinning...
October 20, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/29061353/intraradicular-appearances-affect-radiographic-interpretation-of-the-periapical-area
#11
Ana C Biscontine, Adam J Diliberto, John F Hatton, Karl F Woodmansey
INTRODUCTION: No research exists evaluating the influences of specific variables such as obturation length, radiodensity, or the presence of voids on interpretation of periradicular area. The purpose of this study was to evaluate the effects of obturation length, radiodensity, and the presence of voids on the radiographic interpretations of periapical areas. METHODS: In a Web-based survey, 3 test image groups of variable obturation lengths, radiodensities, and numbers of voids were presented to observers for evaluation of the periapical areas...
October 20, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/29047120/dental-pulp-regeneration-via-cell-homing
#12
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/29026702/apical-extrusion-of-intracanal-bacteria-with-single-file-and-multifile-rotary-instrumentation-systems
#13
Eshaghali Saberi, Shahram Shahraki Zahedani, Sediqe Ebrahimipour
AIMS AND OBJECTIVES: Instrumentation techniques may cause extrusion of microorganisms and their products into the periapical region resulting inflammation and treatment failure. The aim of this ex vivo study was comparing the apical bacterial extrusion in canals prepared with single file versus multiple file rotary systems. MATERIALS AND METHODS: Ninety-two human single-rooted mandibular first premolars were used. Endodontic access cavities were prepared, and root canals were contaminated with an Enterococcus faecalis (E...
September 2017: Journal of International Society of Preventive & Community Dentistry
https://www.readbyqxmd.com/read/29016429/is-routine-spine-mri-necessary-in-skeletally-immature-patients-with-mhe-identifying-patients-at-risk-for-spinal-osteochondromas
#14
Taylor J Jackson, Apurva S Shah, Alexandre Arkader
BACKGROUND: Multiple hereditary exostoses (MHE) is an autosomal dominant condition leading to development of osteochondromas throughout the body. Although long bones are most often affected, spine involvement may occur and usually requires advanced imaging for diagnosis. However, the high cost of detection, infrequent occurrence, and very low likelihood of spinal cord compression and neurological injury, create a management conundrum. The purpose of our investigation is to identify patients at greatest risk for spinal lesions and refine indications for advanced imaging...
October 9, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28965774/revascularization-associated-intracanal-calcification-assessment-of-prevalence-and-contributing-factors
#15
Minju Song, Yangpei Cao, Su-Jung Shin, Won-Jun Shon, Nadia Chugal, Reuben H Kim, Euiseong Kim, Mo K Kang
INTRODUCTION: Intracanal calcifications have been reported in endodontic cases after revascularization. The purpose of the current study was to determine the incidence of intracanal calcification and potential contributing factors in retrospective revascularization cases. METHODS: Among 37 patients who had undergone revascularization between 2010 and 2014, 29 cases were assessed with average follow-up period of 24.9 months. Clinical and radiographic examinations were performed to evaluate the treatment outcomes, eg, resolution of apical periodontitis (AP), root development, and occurrence of intracanal calcification...
September 28, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28937274/visualization-of-the-lumbar-nerve-using-reduced-field-of-view-diffusion-tensor-imaging
#16
Yawara Eguchi, Hirohito Kanamoto, Sumihisa Orita, Kazuhide Inage, Kazuki Fujimoto, Yasuhiro Shiga, Koki Abe, Masahiro Inoue, Hideyuki Kinoshita, Koji Matsumoto, Yoshitada Masuda, Masao Koda, Yasuchika Aoki, Yasuhiro Oikawa, Kazuhisa Takahashi, Seiji Ohtori, Takeo Furuya, Atsuya Watanabe
OBJECTIVE: We investigated high resolution diffusion tensor imaging (DTI) of lumbar nerves with reduced field-of-view (rFOV) using 3-Tesla MRI. METHODS: DTI measured with rFOV was compared with conventional FOV (cFOV) 3.0 T MRI in 5 healthy volunteers and 10 patients with degenerative lumbar disorders. The intracanal, foramina, and extraforamina of the L5 nerve were established as the regions-of-interest (ROI) and fractional anisotropy (FA) values and apparent diffusion coefficient (ADC) values were measured...
September 13, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28928778/effectiveness-of-morinda-citrifolia-juice-as-an-intracanal-irrigant-in-deciduous-molars-an-in-vivo-study
#17
Manisha Chandwani, Rakesh Mittal, Shweta Chandak, Jitesh Pimpale
BACKGROUND: The purpose of this study was to evaluate the microbial reduction in deciduous molars using Morinda citrifolia juice (MCJ) as irrigating solution. MATERIALS AND METHODS: This was a randomized comparative study including 60 deciduous molars chosen among the patients belonging to the age group of 6-9 years based on the inclusion or exclusion criteria. The selected teeth were divided randomly into two groups based on irrigation solution used, that was, Group I (1% NaOCl) and Group II (MCJ)...
July 2017: Dental Research Journal
https://www.readbyqxmd.com/read/28912942/efficacy-of-sodium-hypochlorite-activated-with-laser-in-intracanal-smear-layer-removal-an-sem-study
#18
Shahriar Shahriari, Shahin Kasraei, Ghodratollah Roshanaei, Hamed Karkeabadi, Hossein Davanloo
Introduction: The purpose of the present study was to evaluate the different concentrations of sodium hypochlorite activated with laser in removing of the smear layer in the apical, middle, and coronal segments of root canal walls by scanning electron microscopy analysis. Methods: Sixty single-rooted human mandibular teeth were decoronated to a standardized length. The samples were prepared by using Race rotary system to size 40, 0.04 taper and divided into 4 equal groups (n = 15). Group 1, irrigated with EDTA 17% and 5...
2017: Journal of Lasers in Medical Sciences
https://www.readbyqxmd.com/read/28863107/surgical-approach-to-foreign-material-within-the-mandibular-canal-due-to-iatrogenic-factors
#19
Bo Li, Lunchang Wang, Zhihe Zhao, Hongbo Qian, Han Cui, Longjiang Li
This clinical report describes a relatively infrequent patient with inferior alveolar nerve damage caused by foreign material within the mandibular canal, which is one of the most severe complications of endodontic therapy. Although the circumstance is uncommon, it can have extremely unfavorable consequences for patients, such as anesthesia and paresthesia. In the present case, a patient suffered pain and severe paresthesia in the corresponding area after routine endodontic therapy. Several treatments were conducted to relieve the patient's symptoms, ranging from medication to tooth extraction, but all were of no avail...
September 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28855749/a-cone-beam-computed-tomography-assessment-of-the-efficacy-of-different-irrigation-devices-for-removal-of-silicone-oil-based-calcium-hydroxide-from-root-canal-system
#20
Pradeep Kumar, Ida de Noronha de Ataide, Marina Fernandes, Rajan Lambor
BACKGROUND: Most often used intracanal medicament is calcium hydroxide (Ca(OH)2). Removal of Ca(OH)2 before obturation is mandatory. Different irrigation solutions and devices were tested in the previous study for this purpose. AIM: The aim of this study was to evaluate the comparative efficacy of different irrigation techniques in removing intracanal medicament using cone-beam computed tomography (CBCT). MATERIALS AND METHODS: Cleaning and shaping was carried out in 42 freshly extracted single-rooted mandibular first premolars using Protaper Rotary Files...
March 2017: Journal of Conservative Dentistry: JCD
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