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https://www.readbyqxmd.com/read/28443835/effect-of-boric-acid-versus-conventional-irrigation-solutions-on-the-bond-strength-between-fiber-post-and-root-dentin
#1
Ahmet Kursad Culhaoglu, Erdal Özcan, Mehmet Ali Kilicarslan, Emre Seker
PURPOSE: To compare the effect of boric acid solutions of different percentages to conventional irrigation solutions on the adhesive bond strength between fiber posts and radicular dentin surface with different cement types. MATERIALS AND METHODS: One hundred fifteen extracted human incisors were endodontically instrumented to a length of 14-15 mm, and 12-mm post spaces were prepared with specific drills. Cylindrical fiber posts (Panavia Post) were luted with two different composite cements (Panavia F 2...
April 25, 2017: Journal of Adhesive Dentistry
https://www.readbyqxmd.com/read/28443217/malignant-peripheral-nerve-sheath-tumor-of-the-c2-nerve-root-case-report
#2
Joshua D Burks, Robert G Briggs, Chad A Glenn, John C Greenert, Cordell M Baker, Keren Bartal, Greg A Krempl, Michael E Sughrue
Here we present the case of a 36-year-old man who was found to have a symptomatic malignant neural sheath tumor growing from the C2 nerve root following a period of progressively worsening headaches. The patient was successfully treated with surgical resection resulting in resolution of cranial nerve deficits. Though uncommon, malignant peripheral nerve sheath tumor must be considered in the differential diagnosis of tumors involving the cervical nerve roots and carotid space.
April 2017: Journal of Neurological Surgery Reports
https://www.readbyqxmd.com/read/28443178/driving-safety-after-spinal-surgery-a-systematic-review
#3
REVIEW
Abduljabbar Alhammoud, Kenan Alkhalili, Jack Hannallah, Bashar Ibeche, Sohail Bajammal, Abdul Moeen Baco
This study aimed to assess driving reaction times (DRTs) after spinal surgery to establish a timeframe for safe resumption of driving by the patient postoperatively. The MEDLINE and Google Scholar databases were analyzed according to the PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analysis) Statement for clinical studies that investigated changes in DRTs following cervical and lumbar spinal surgery. Changes in DRTs and patients' clinical presentation, pathology, anatomical level affected, number of spinal levels involved, type of intervention, pain level, and driving skills were assessed...
April 2017: Asian Spine Journal
https://www.readbyqxmd.com/read/28435364/influence-of-reuse-and-cervical-preflaring-on-the-fracture-strength-of-reciprocating-instruments
#4
Claudio Maniglia-Ferreira, Fabio de Almeida Gomes, Tatyana Ximenes, Murilo Alves Teixeira Neto, Thiane Elys Arruda, Giovani Gonçalves Ribamar, Luis Flávio Gaspar Herculano
OBJECTIVE: This study sought to assess the influence of cervical preflaring and reuse after resterilization, on fracture strength and plastic deformation and/or surface cracking in reciprocating nickel-titanium [NiTi] endodontic instruments after root canal instrumentation of extracted human teeth. MATERIALS AND METHODS: Forty engine-driven reciprocating NiTi instruments (20 Reciproc(®) [RC], VDW; 20 WaveOne(®) [WO], Dentsply) were used in root canal instrumentation of extracted human molars...
January 2017: European Journal of Dentistry
https://www.readbyqxmd.com/read/28432435/c4-5-foraminal-stenosis-predicts-c5-palsy-after-expansive-open-door-laminoplasty
#5
Ho-Jin Lee, Jae-Sung Ahn, Byungkon Shin, Hoseok Lee
INTRODUCTION: Laminoplasty is frequently performed in cervical myelopathy patients, but can lead to unexpected postoperative C5 palsy. Although several studies have examined the pathogenesis and prevention of postoperative C5 palsy, many controversies remain and some radiological findings identified as risk factors were not correlated with our outcomes. PURPOSE: This study sought reliable radiological findings that predict C5 palsy after laminoplasty and examined why the predictors of C5 palsy did not apply in our series...
April 21, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28431271/investigation-of-pathology-malpractice-claims-in-china-from-2002-2015
#6
Yuan Li, Dong Gao, Meng Tu, Ying-Zhen Luo, Zhen-Hua Deng
OBJECTIVE: To examine pathology-related medical claims in China and identify the most common errors to result in such claims. METHOD: A retrospective analysis was performed of 71 forensic evaluation reports carried out in two Chinese institutes of forensic medicine between 2002 and 2015 due to suspicion of medical malpractice. The judicial outcomes of each case were also reviewed when available. RESULTS: Of 71 cases, 54 cases had judicial outcomes...
April 15, 2017: Journal of Forensic and Legal Medicine
https://www.readbyqxmd.com/read/28430749/neonatal-cervical-osteomyelitis-with-bilateral-upper-limb-paresis
#7
Elad Ben-Meir, Marina Rubinshtein, Itai Pessach, Galia Barkai, Nathan Keller, Chen Hoffman, Zeev Feldman, Gidi Paret
Neonatal cervical osteomyelitis is extremely rare, with only a few cases having been reported. We report a neonate with cervical osteomyelitis and extensive inflammation of the surrounded tissues that caused nerve root compression and upper limb paresis.
April 19, 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28427722/biomechanical-investigation-of-post-operative-c5-palsy-due-to-ossification-of-the-posterior-longitudinal-ligament-in-different-types-of-cervical-spinal-alignment
#8
Batbayar Khuyagbaatar, Kyungsoo Kim, Won Man Park, Yoon Hyuk Kim
Post-operative C5palsies are among the most common complications seen after cervical surgery for ossification of the posterior longitudinal ligament (OPLL). Although C5 palsy is a well-known complication of cervical spine surgery, its pathogenesis is poorly understood and depends on many other factors. In this study, a finite element model of the cervical spine and spinal cord-nerve roots complex structures was developed. The changes in stress in the cord and nerve roots, posterior shift of the spinal cord, and displacement and elongation of the nerve roots after laminectomy for cervical OPLL were analyzed for three different cervical sagittal alignments (lordosis, straight, and kyphosis)...
April 5, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28411326/neck-muscle-emg-force-relationship-and-its-reliability-during-isometric-contractions
#9
Riccardo Lo Martire, Kristofer Gladh, Anton Westman, Björn O Äng
BACKGROUND: Susceptible to injury, the neck is subject to scientific investigations, frequently aiming to elucidate possible injury mechanisms via surface electromyography (EMG) by indirectly estimating cervical loads. Accurate estimation requires that the EMG-force relationship is known and that its measurement error is quantified. Hence, this study examined the relationship between EMG and isometric force amplitude of the anterior neck (AN), the upper posterior neck (UPN), and the lower posterior neck (LPN) and then assessed the relationships' test-retest reliability across force-percentiles within and between days...
December 2017: Sports Medicine—Open
https://www.readbyqxmd.com/read/28409074/c2-and-greater-occipital-nerve-the-anatomic-and-functional-implications-in-spinal-surgery
#10
M Burhan Janjua, Peter L Zhou, Jeffrey P Greenfield, Ali A Baaj, Anthony Frempong-Boadu
INTRODUCTION: Posterior C1-C2 fusion is a highly successful treatment for atlantoaxial instability and other pathologies of the cervical spine, with fusion rates approaching 95%-100%. However, poor visualization of the lateral masses of C1 secondary to the course of the C2 nerve root along with blood loss from the venous plexus and compression of the C2 nerve from lateral mass screws are technical obstacles that can arise during surgery. Thus, sacrifice of the C2 nerve root has long since been debated in fusions involving the C1 and C2 vertebral bodies...
March 3, 2017: Curēus
https://www.readbyqxmd.com/read/28407986/intravenous-bisphosphonate-therapy-does-not-thicken-cementum-or-change-periodontal-ligaments-of-cancer-patients
#11
Mariana de Pauli Paglioni, Wagner Gomes Silva, Juliana Pereira, César Augusto Migliorati, Marcio Ajudarte Lopes, Oslei Paes de Almeida, Mario Fernando Goes, Ana Carolina Prado Ribeiro, Thais Bianca Brandão, Alan Roger Santos-Silva
OBJECTIVE: To test the hypothesis that intravenous (IV) bisphosphonate (BP) therapy thickens or alters the micromorphology of cementum and periodontal ligament (PDL) in cancer patients. STUDY DESIGN: Thirty-two teeth extracted from 24 cancer patients and separated into test (patients who have undergone IV BP therapy, n = 16) and control (patients naive to BP therapy, n = 16) groups were studied. Cementum thickness was measured in 3 different areas of the dental root with polarized light microscopy...
May 2017: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/28403332/influence-of-root-dentin-treatment-on-the-push-out-bond-strength-of-fibre-reinforced-posts
#12
Altair Soares Moura, Rodrigo Dantas Pereira, Fuad Jacob Abi Rached, Bruno Monguilhott Crozeta, Jardel Francisco Mazzi-Chaves, Luis Eduardo Souza-Flamini, Antonio Miranda Cruz
This study evaluates the influence of root dentin treatment with NaOCl alone and combined with EDTA, with and without ultrasound activation, on the push-out bond strength (BS) of fiber-reinforced posts in weakened roots, cemented with RelyX or Panavia. The root canals of 42 maxillary canines were instrumented with Reciproc and 2.5% NaOCl. In the coronal 12mm of all canals, experimental weakening of the roots was produced by reducing dentin thickness with 2.44mm diameter diamond burs. The roots were assigned to 3 groups (n = 14) according to root dentin treatment: 2...
April 10, 2017: Brazilian Oral Research
https://www.readbyqxmd.com/read/28403104/effect-of-bipolar-pulsed-radiofrequency-on-refractory-chronic-cervical-radicular-pain-a-report-of-two-cases
#13
Min Cheol Chang
RATIONALE: Despite undergoing transforaminal epidural steroid injection (TFESI), many patients complain of persisting cervical radicular pain. For the management of chronic cervical radicular pain, clinicians are widely applying pulsed radiofrequency (PRF) stimulation to dorsal root ganglions (DRGs). To enhance the effect of PRF stimulation, we conducted bipolar PRF stimulation in 2 patients with chronic cervical radicular pain that was refractory to monopolar PRF and repeated TFESIs...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28402732/different-methods-for-inlay-production-effect-on-internal-and-marginal-adaptation-adjustment-time-and-contact-point
#14
M P Rippe, C Monaco, L Volpe, M A Bottino, R Scotti, L F Valandro
The aim of this study was to evaluate the effect of different production methods of resin and ceramic inlays on marginal and internal adaptation, adjustment time, and proximal contacts. Forty premolars were selected, embedded (their roots), and prepared to receive inlays that were made as follows (n=10): LaRe-digital impression with a Lava C.O.S. scanner, followed by milling of Lava Ultimate block (composite resin) in a milling center; CeRe-digital impression with a Cerec 3D Bluecam scanner, followed by milling of Lava Ultimate block in Cerec; CeDis-digital impression with a Cerec 3D Bluecam scanner, followed by milling of IPS e...
April 12, 2017: Operative Dentistry
https://www.readbyqxmd.com/read/28396759/interventional-treatment-for-neuropathic-pain-due-to-combined-cervical-radiculopathy-and-carpal-tunnel-syndrome-a-case-report
#15
Simone Vigneri, Gianfranco Sindaco, Matteo Zanella, Elisabetta Sette, Valeria Tugnoli, Gilberto Pari
The coexistence of median and cervical nerve root damage might hide a complex pathophysiology. Here, we describe and discuss the case of a patient suffering from numbness and painful tingling of the hand, whose symptoms were effectively treated with pulsed radiofrequency and epidural administration of bupivacaine and morphine.
April 2017: Clinical Case Reports
https://www.readbyqxmd.com/read/28393821/spectrophotometric-analysis-of-crown-discoloration-induced-by-two-different-sealers-an-in-vitro-study
#16
Rashmi Keshav Chahande, Sanjay S Patil, Vandana Gade, Rishikesh Meshram, Deepika J Chandhok, Deepa A Thakur
CONTEXT: Endodontic materials have been assessed with regards to their potential for dental staining. AIMS: To evaluate the coronal discoloration effect of Apexit Plus and Resino Seal in mandibular premolars using spectrophotometer. SETTINGS AND DESIGN: The study design was original research. MATERIALS AND METHODS: Forty human single-rooted mandibular first premolar teeth were selected for the study. They were divided into four groups of ten specimens each...
January 2017: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
https://www.readbyqxmd.com/read/28393819/morphology-of-root-canal-surface-a-reflection-on-the-process-of-cementation-of-the-composite-relined-glass-fiber-post
#17
Yasmine Mendes Pupo, Elaine Casacqui, Paola Andressa Barbosa de Lima, Milton Domingos Michél, Albano Luis Novaes Bueno, André Luiz da Costa Michelotto
BACKGROUND: The present study was conducted to evaluate the bond strength in the different root thirds (premolars and maxillary central incisors) of composite relined glass fiber posts compared to untreated glass fiber posts cemented with dual- or chemical-cure cements. MATERIALS AND METHODS: Sixty human single-rooted premolars (flat canal) (n = 15) and 12 maxillary central incisors were used (round canal) (n = 3). The teeth were sectioned, and the roots received endodontic treatment...
January 2017: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
https://www.readbyqxmd.com/read/28384987/a-rare-case-of-twinning-involving-primary-maxillary-lateral-incisor-with-review-of-literature
#18
Santosh Hunasgi, Anila Koneru, Vardendra Manvikar, M Vanishree, Rudraraju Amrutha
Twinning is referred to the development of two separate teeth that arose from the complete separation of one tooth bud. To the best of our knowledge very few cases of twinning in primary or permanent dentition have been previously reported. Here, we report an additional case of twinning involving primary maxillary left lateral incisor and a literature review of clinical and radiographic findings of previous reported cases of gemination and twinning is also discussed. A six-year-old male patient reported to the dental clinic with the complaint of decay in the left front teeth region of the upper jaw...
February 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28381935/bilateral-mirror-image-cervical-neurofibroma-in-an-adult-with-neurofibromatosis-type-1
#19
Sharad Pandey, Kulwant Singh, Vivek Sharma, Mohammed Tabish Khan, Amrita Ghosh, Deepa Santhosh
Neurofibromatosis type 1 (NF1) is an autosomal dominant disorder characterised by various phenotypic features like hyperpigmented spots, neurofibromas, Lisch nodules, skeletal abnormalities and tendency to develop neoplasms. Only few cases of Non-Familial Spinal Neurofibromatosis-1 (Non-FSNF1) have been described in literature with tumors involving the spinal roots at every level being even rarer. We reported an interesting case of bilateral symmetrical cervical neurofibroma with multiple spinal neurofibromas appearing as mirror image on CT, associated with non familial NF-1 as a rare presentation in a 25-year-old adult male...
March 2017: Malaysian Journal of Medical Sciences: MJMS
https://www.readbyqxmd.com/read/28377582/nociceptive-drg-neurons-express-muscle-lim-protein-upon-axonal-injury
#20
Evgeny Levin, Anastasia Andreadaki, Philipp Gobrecht, Frank Bosse, Dietmar Fischer
Muscle lim protein (MLP) has long been regarded as a cytosolic and nuclear muscular protein. Here, we show that MLP is also expressed in a subpopulation of adult rat dorsal root ganglia (DRG) neurons in response to axonal injury, while the protein was not detectable in naïve cells. Detailed immunohistochemical analysis of L4/L5 DRG revealed ~3% of MLP-positive neurons 2 days after complete sciatic nerve crush and maximum ~10% after 4-14 days. Similarly, in mixed cultures from cervical, thoracic, lumbar and sacral DRG ~6% of neurons were MLP-positive after 2 days and maximal 17% after 3 days...
April 4, 2017: Scientific Reports
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