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Obturation

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https://www.readbyqxmd.com/read/28736602/radiographic-technical-quality-of-root-canal-treatment-performed-by-a-new-rotary-single-file-system
#1
Marco Colombo, Cristina Bassi, Riccardo Beltrami, Paolo Vigorelli, Antonio Spinelli, Andrea Cavada, Alberto Dagna, Marco Chiesa, Claudio Poggio
AIM: The aim of the present study was to evaluate radiographically the technical quality of root canal filling performed by postgraduate students with a new single-file Nickel-Titanium System (F6 Skytaper Komet) in clinical practice. METHODS: Records of 74 patients who had received endodontic treatment by postgraduate students at the School of Dentistry, Faculty of Medicine, University of Pavia in the period between September 2015 and April 2016 were collected and examined: the final sample consisted 114 teeth and 204 root canals...
January 2017: Annali di Stomatologia
https://www.readbyqxmd.com/read/28729793/assessment-of-consistency-in-the-dimension-of-gutta-percha-cones-of-protaper-next-and-waveone-with-their-corresponding-number-files
#2
Nitika Bajaj, Prashant Monga, Pardeep Mahajan
OBJECTIVES: To compare the dimensions of gutta-percha (GP) cones of ProTaper Next (25/0.06) and WaveOne (25/0.08) in relation to their corresponding instruments of the same dimension, respectively. MATERIALS AND METHODS: Two groups of GP cones were made with 25 cones in each group. Group 1 consisted of 25 GP cones # 25/0.06 (ProTaper Next). Group 2 consisted of 25 GP cones # 25/0.08 (WaveOne). Measurements were done at D1 (1 mm short of the tip), D3 (3 mm short of the tip), and D11 (11 mm short of the tip) for GP cones of both groups and were compared with their corresponding instruments...
April 2017: European Journal of Dentistry
https://www.readbyqxmd.com/read/28722003/severe-unintentional-extrusion-of-mineral-trioxide-aggregate-during-apexification
#3
Levent Demiriz, Ebru Hazar Bodrumlu
The aim of this report was to present the long-term clinical and radiographic outcomes of a case including severe unintentional extrusion of mineral trioxide aggregate (MTA). An 11-year-old boy was referred with a previously traumatized permanent central incisor which was temporarily treated by using calcium hydroxide root canal filling material. Since having an open apex and a large periapical lesion, root canal treatment with MTA apexification was planned. During the apexification process, a huge amount of MTA was unintentionally extruded into periapical tissues...
May 2017: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
https://www.readbyqxmd.com/read/28721282/structural-differences-and-architectural-features-of-two-different-polypropylene-slings-tvt-o-and-i-stop-have-no-impact-on-biocompatibility-and-tissue-reactions
#4
Mikolaj Przydacz, Oussama El Yazami Adli, Wally Mahfouz, Oleg Loutochin, Louis R Bégin, Jacques Corcos
INTRODUCTION: To evaluate the impact of design features of the synthetic mid-urethral slings on tissue integrity and inflammatory responses. MATERIAL AND METHODS: In total 30 female Sprague-Dawley rats were implanted with type I monofilamentous, macroporous polypropylene meshes: Gynecare TVT-Obturator tape(®) (Ethicon Inc., Johnson & Johnson, Somerville, NJ, USA) and I-STOP(®) (CL Medical Inc., Lyon, France). All animal groups were sacrificed at set time intervals - 6 weeks, 3 months, 6 months, 9 months and 12 months - and the abdominal wall was harvested with mesh strips for histological evaluation...
June 30, 2017: Central European Journal of Urology
https://www.readbyqxmd.com/read/28718229/comparison-of-pre-operative-curvature-with-postoperative-curvature-in-root-canals-treated-with-k-3-rotary-systems
#5
Sana Ehsen Nagi, Farhan Raza Khan
BACKGROUND: With root canal treatment, the organic debris and micro-organisms from pulp space is removed and an ideal canal preparation is achieved that is conducive of hermetic obturation. The purpose of this study was to correlate the pre-operative canal curvature with the postoperative curvature in human extracted teeth prepared with K-3 rotary systems. METHODS: The root canal preparation was carried out on extracted human molars and premolars using K-3 endodontic rotary files...
April 2017: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/28717917/-acute-right-sided-upper-abdominal-pain-in-a-46-year-old-woman
#6
M Bauder, A Fiala, C Klinger, W Kersjes, K Caca
A 46-year-old woman presented with acute abdominal pain in the right upper quadrant. Esophagogastroduodenoscopy revealed a duodenal stenosis within the horizontal part of the duodenum. Based on the findings of abdominal computed tomography (CT), endosonography, Doppler duplex sonography and angiography, the diagnosis of an aneurysm of a branch of the inferior pancreaticoduodenal artery was established. This arterial branch was part of a collateral circulation between the superior mesenteric artery and the proper hepatic artery caused by obturation of the celiac artery...
July 17, 2017: Der Internist
https://www.readbyqxmd.com/read/28717536/safety-and-efficacy-of-bipolar-energy-for-transurethral-resection-of-bladder-tumours-a-prospective-quasi-randomized-study
#7
Vasudevan Thirugnanasambandam, Jeyaraman Ramanathan
OBJECTIVE: The primary aim of the study was to evaluate the safety and efficacy of bipolar energy in resecting bladder tumors. MATERIAL AND METHODS: The study was done between March 2012 and February 2013. This is a prospective quasi-randomized study evaluating the safety and efficacy of bipolar energy in transurethral resection of bladder tumours (TURBT). Institutional Ethics Committee approval was obtained. Informed consent was taken from all patients. Patients were randomized into two groups of 50 each to undergo either monopolar TURBT or bipolar TURBT using glycine and saline irrigation solutions, respectively...
June 2017: Turkish Journal of Urology
https://www.readbyqxmd.com/read/28706942/evaluation-of-the-sealing-ability-of-three-obturation-techniques-using-a-glucose-leakage-test
#8
Katarzyna Olczak, Halina Pawlicka
The aim of this study was to evaluate the sealing ability of three different canal filling techniques. Sixty-four roots of extracted human maxillary anterior teeth were prepared using ProTaper® rotary instruments. The specimens were then randomly divided into 3 experimental groups (n = 16) and 2 control groups (n = 8). The root canals were filled using cold lateral compaction (CLC group), continuous wave condensation technique using the Elements Obturation Unit® (EOU group), and ProTaper obturators (PT group)...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28702754/endoscopic-cyanoacrylate-injection-with-post-injection-audible-doppler-assessment-of-gastric-varices-a-single-institution-experience
#9
Tom D Catron, George B Smallfield, Le Kang, Richard K Sterling, Mohammad S Siddiqui
BACKGROUND AND AIMS: Gastric varices (GV) have higher rates of morbidity and mortality from hemorrhage than esophageal varices. Several studies have shown the safety and efficacy of cyanoacrylate (CA) injection for acute gastric variceal hemorrhage. We report data from our experience with CA injection for GV before and after routine use of post-injection audible Doppler assessment (ADA) for GV obturation and describe long-term outcomes after this therapy. METHODS: We retrospectively identified patients who had documented GV, underwent CA injection, and had at least 2 weeks of follow-up...
July 12, 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/28698880/secure-screw-placement-in-management-of-acetabular-fractures-using-the-suprapectineal-quadrilateral-buttress-plate
#10
R J Egli, M J B Keel, J L Cullmann, J D Bastian
Acetabular fractures involving predominantly the anterior column associated with a disruption of the quadrilateral surface can be treated with instrumentation implementing the stabilization of the quadrilateral surface. The recently introduced suprapectineal quadrilateral buttress plate is specifically designed to prevent secondary medial subluxation of the femoral head, especially in elderly patients with reduced ability for partial weight bearing. Whereas there are guidelines available for safe screw fixation for the anterior and posterior columns, there might be a concern for intra-articular placement of screws placed through the infrapectineal part of the quadrilateral buttress plate...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28694418/-a-case-of-long-survival-in-aggressively-growing-small-cell-carcinoma-of-the-bladder-successfully-treated-by-combined-chemotherapy-of-methotrexate-etoposide-and-cisplatin
#11
Ryosuke Jikuya, Kouta Washimi, Masato Yasui, Akihito Hashizume, Tomoyuki Tatenuma, Nobuhiko Mizuno, Kentaro Muraoka, Susumu Umemoto, Masaki Kawai, Takeshi Kishida
A 74-year-old man underwent transurethral resection for a bladder tumor (TURBT). The pathological diagnosis was urothelial carcinoma, grade 3 pT2 at least. He desired preservation of the bladder. Thus, MEC (methotrexate 100-150 mg/body (day 1), etoposide 100 mg/m2 (day 2-4), cisplatin 20 mg/m2 (day 2-6)) chemotherapy was administered for 2 courses. The next year, he had a relapse in the bladder, and the pathological diagnosiswasurothelial carcinoma, grade 2 pTa and pTis. He underwent Calmette-Guerin Bacillus (BCG) immunotherapy for 6 courses that resulted in a complete response without recurrence for 6 years...
June 2017: Hinyokika Kiyo. Acta Urologica Japonica
https://www.readbyqxmd.com/read/28689655/robotic-resection-of-a-symptomatic-parasitic-leiomyoma-from%C3%A2-the%C3%A2-obturator-fossa
#12
Gulden Menderes, Belinda Nhundu, Karen Levy, Dan-Arin Silasi
STUDY OBJECTIVE: To demonstrate a technique for robotically resecting a parasitic leiomyoma from the obturator fossa. DESIGN: Case report and a step-by-step video demonstration of resection of a symptomatic parasitic leiomyoma (Canadian Task Force classification III). SETTING: Tertiary referral center in New Haven, Connecticut. INTERVENTIONS: This 48-year-old Caucasian female had undergone a previous total abdominal hysterectomy for uterine leiomyomas...
July 7, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/28686923/rare-case-of-incarcerated-obturator-hernia-case-report-and-review-of-literature
#13
N C Sá, V C M Silva, P R L Carreiro, A S Matos Filho, I A Lombardi
INTRODUCTION: Obturator hernia is a rare condition accounting for less than 1% of all intra abdominal hernias. Clinical diagnosis is considered a challenge for most surgeons. It usually appears as an intestinal obstruction. Confirmation of diagnosis is carried out by means of imaging or during surgery. CASE REPORT: An 85-year-old female patient, with symptoms of intestinal obstruction of 24h duration was admitted to the emergency room of Unimed Hospital - Belo Horizonte...
June 23, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28678645/evaluation-of-complications-of-root-canal-treatment-performed-by-undergraduate-dental-students
#14
Mothanna K AlRahabi
This study evaluated the technical quality of root canal treatment (RCT) and detected iatrogenic errors in an undergraduate dental clinic at the College of Dentistry, Taibah University, Saudi Arabia. Dental records of 280 patients who received RCT between 2013 and 2016 undertaken by dental students were investigated by retrospective chart review. Root canal obturation was evaluated on the basis of the length of obturation being ≤2 mm from the radiographic apex, with uniform radiodensity and good adaptation to root canal walls...
December 2017: Libyan Journal of Medicine
https://www.readbyqxmd.com/read/28673491/assessment-of-volumetric-distortion-artifact-in-filled-root-canals-using-different-cone-beam-computed-tomographic-devices
#15
Berkan Celikten, Reinhilde Jacobs, Karla deFaria Vasconcelos, Yan Huang, Laura Ferreira Pinheiro Nicolielo, Kaan Orhan
INTRODUCTION: Artifacts in cone-beam computed tomographic (CBCT) imaging may compromise radiodiagnosis. Obturation materials for endodontic treatment may present with variable material density and thus also cause distinct artifact expression. The aim of this study was to assess the volume distortion artifact of root canal sealers using CBCT devices and micro-CT imaging as a reference. METHODS: Thirty single-root mandibular central incisors were used for this study...
June 30, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28670593/laparotomy-assisted-endoscopic-injection-of-jejunal-varices-for-overt-small-bowel-bleeding
#16
Divyanshoo R Kohli, Marlon F Levy, George B Smallfield
A 54-year old male liver transplant recipient with Roux-en-Y choledochojejunostomy was admitted for symptomatic anemia. Despite endoscopies and a bleeding scan, active bleeding was not visualized. Angiography and abdominal computed tomography demonstrated possible jejunal varices at the choledochojejunal anastomosis. Double-balloon enteroscopy demonstrated varices with overlying clots in the Roux limb at the anastomosis. Due to the extensive loop formation and unstable position of the endoscope, therapeutic intervention could not be performed...
2017: ACG Case Reports Journal
https://www.readbyqxmd.com/read/28666512/obturator-internus-abscess-with-ipsilateral-septic-hip-arthritis
#17
Sang Hyun Park, Joo Yong Kim, Gyu Min Kong, Sang Myung Roh
Obturator internus muscle (OIM) abscess is an uncommon condition often mistaken for bacterial infection of the hip joint. If the OIM abscess is accompanied by a septic hip, it becomes more difficult to make a diagnosis. Surgical drainage of OIM abscess is difficult because it is located at a deep part of the pelvic cavity. Therefore, intravenous antibiotic therapy or image-guided aspiration were used as a treatment method instead of surgical drainage. When drainage of the abscess was inadequate, prolonged antibiotic treatment was necessary...
November 2016: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/28663672/gastric-varices-in-cirrhosis-vs-extrahepatic-portal-venous-obstruction-and-response-to-endoscopic-n-butyl-2-cyanoacrylate-injection
#18
Barjesh C Sharma, Shivakumar Varakanahalli, Jatinder P Singh, Siddharth Srivastava
BACKGROUND: Gastric varices (GV) are found in patients with portal hypertension. Incidence of bleeding from GV is relatively low, but is severe, and associated with higher mortality. AIMS AND OBJECTIVES: To compare the types of GV in cirrhosis vs. extrahepatic portal venous obstruction (EHPVO) and the results of endoscopic N-butyl-2-cyanoacrylate (NBC, glue) injection. METHODS: Four hundred and fifty-four patients undergone glue injection of GV for primary prophylaxis or control of bleeding for first episode of bleeding from GV between August 2010 and August 2015 were analyzed...
June 2017: Journal of Clinical and Experimental Hepatology
https://www.readbyqxmd.com/read/28663632/obturator-nerve-block-in-transurethral-resection-of-bladder-tumor-a-comparison-of-ultrasound-guided-technique-versus-ultrasound-with-nerve-stimulation-technique
#19
Nida Farooq Shah, Khalid Parvez Sofi, Showkat Hussain Nengroo
BACKGROUND: Obturator nerve (ON) stimulation during transurethral resection of lateral and posterolateral bladder wall tumor under spinal anesthesia may lead to obturator reflex, adductor contraction, and leg jerking with complications such as bleeding, bladder perforation, or incomplete tumor resection. Our study was carried out to obtain successful block of ON using ultrasound (US)-guided technique with or without nerve stimulation in patients undergoing transurethral resection of bladder tumor (TURBT) under spinal anesthesia...
April 2017: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/28660437/optimization-of-technique-for-insertion-of-implants-at-the-supra-acetabular-corridor-in-pelvis-and-acetabular-surgery
#20
Theodoros H Tosounidis, Cyril Mauffrey, Peter V Giannoudis
The technique for application of implants at the sciatic buttress has been well described in the pelvic and acetabular fracture reconstruction literature. We described a new use of the inlet-obturator oblique view for the identification of the anterior inferior iliac spine, which is the entry point of implants, and we provide a detailed fluoroscopic and radiographic description of this view. A small series of 15 patients who underwent an application of an anterior inferior pelvic external (supra-acetabular) fixator via this technique is presented...
June 28, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
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