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https://www.readbyqxmd.com/read/29447314/restoration-of-periodontally-compromised-dentitions-using-telescopic-full-arch-retrievable-prosthesis-supported-by-tooth-implant-combination-a-long-term-retrospective-study
#1
Renzo Guarnieri, Stefano Ippoliti
Advanced periodontal disease is often associated with severe loss of tooth support, necessitating prosthetic rehabilitation to restore function and esthetics. For tooth-supported restorations, periodontally compromised teeth may need to be extracted due to early failure from functional overload. For tooth/implant-supported restorations, implants can be used to reduce the overload on teeth and to avoid tooth extraction, bone augmentation, or other risks associated with implant placement. The aim of this retrospective study was to evaluate the long-term outcomes of full-arch, retrievable, telescopic-retained prostheses (TRPs) on teeth and implants according to survival rate analyses and technical and biologic complications in full-mouth rehabilitation of periodontally compromised dentitions...
March 2018: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/29447313/double-duplicate-technique-for-cad-cam-full-arch-immediate-loading-a-technical-description-and-case-report
#2
Alvise Cenzi Venezze, Paolo Ghensi, Edoardo Stellini, Vanessa Ruiz Magaz, Eriberto Bressan
Full-arch fixed implant-supported prostheses have shown high biologic success rates after long-term follow-up, along with technical and prosthetic complications. Adequate planning is necessary for immediate implant occlusal loading in a completely edentulous maxilla or mandible. For totally edentulous patients, the main prosthetic problem is the transfer of diagnostic information to the master cast when an immediate loading approach is used. The aim of this clinical case report is to illustrate a new prosthetic protocol for immediate implant loading in edentulous or potentially edentulous patients...
March 2018: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/29447187/comparative-study-on-the-mechanical-mechanism-of-confined-concrete-supporting-arches-in-underground-engineering
#3
Zhijin Lv, Qian Qin, Bei Jiang, Yingcheng Luan, Hengchang Yu
In order to solve the supporting problem in underground engineering with high stress, square steel confined concrete (SQCC) supporting method is adopted to enhance the control on surrounding rocks, and the control effect is remarkable. The commonly used cross section shapes of confined concrete arch are square and circular. At present, designers have no consensus on which kind is more proper. To search for the answer, this paper makes an analysis on the mechanical properties of the two shapes of the cross-sections...
2018: PloS One
https://www.readbyqxmd.com/read/29447180/experimental-research-on-the-structural-instability-mechanism-and-the-effect-of-multi-echelon-support-of-deep-roadways-in-a-kilometre-deep-well
#4
Rui Peng, Xiangrui Meng, Guangming Zhao, Yingming Li, Jianming Zhu
We study the structural instability mechanism and effect of a multi-echelon support in very-deep roadways. We conduct a scale model test for analysing the structural failure mechanism and the effect of multi-echelon support of roadways under high horizontal stress. Mechanical bearing structures are classified according to their secondary stress distribution and the strength degradation of the surrounding rock after roadway excavation. A new method is proposed by partitioning the mechanical bearing structure of the surrounding rock into weak, key and main coupling bearing stratums...
2018: PloS One
https://www.readbyqxmd.com/read/29445807/base-free-n-alkylation-of-anilines-with-arch-2-oh-and-transfer-hydrogenation-of-aldehydes-ketones-catalyzed-by-the-complexes-of-%C3%AE-5-cp-ir-iii-with-chalcogenated-schiff-bases-of-anthracene-9-carbaldehyde
#5
Pooja Dubey, Sonu Gupta, Ajai K Singh
The condensation of anthracene-9-carbaldehyde with 2-(phenylthio/seleno)ethylamine results in Schiff bases [PhS(CH 2 ) 2 C[double bond, length as m-dash]N-9-C 14 H 9 ](L1) and [PhSe(CH 2 ) 2 C[double bond, length as m-dash]N-9-C 14 H 9 ] (L2). On their reaction with [(η 5 -Cp*)IrCl(μ-Cl)] 2 and CH 3 COONa at 50 °C followed by treatment with NH 4 PF 6 , iridacycles, [(η 5 -Cp*)Ir(L-H)][PF 6 ] (1: L = L1; 2: L = L2), result. The same reaction in the absence of CH 3 COONa gives complexes [(η 5 -Cp*)Ir(L)Cl][PF 6 ] (3-4) in which L = L1(3)/L2(4) ligates in a bidentate mode...
February 15, 2018: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/29436942/short-vs-longer-implants-in-mandibular-alveolar-ridge-augmentated-using-osteogenic-distraction-one-year-follow-up-of-a-randomized-split-mouth-trial
#6
Sara Bernardi, Roberto Gatto, Marco Severino, Gianluca Botticelli, Silvia Caruso, Claudio Rastelli, Ettore Lupi, Adolfo Quiroz Rojas, Enzo Iacomino, Giovanni Falisi
Aim of the study was to evaluate the reliability of 6 mm long implants compared to normal length implants placed in vertical augmented atrophic posterior mandible, supporting cemented single crowns. Thirty-six patients with bilateral posterior edentulous mandible and presented a bone availability height less than 9 mm from the mandibular canal were enrolled for the participation to this study. Patient hemi-arches were randomized to receive both 6 mm-long and normal length implants (10 mm). The technique used for the vertical bone augmentation was the "sandwich" technique, using a bone substitute block as graft...
February 13, 2018: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29432706/-people-don-t-understand-what-goes-on-in-here-a-consensual-qualitative-research-analysis-of-inmate-caregiver-perspectives-on-prison-based-end-of-life-care
#7
Rachel M Depner, Pei C Grant, David J Byrwa, Jennifer M Breier, Jennifer Lodi-Smith, Debra L Luczkiewicz, Christopher W Kerr
BACKGROUND: The age demographic of the incarcerated is quickly shifting from young to old. Correctional facilities are responsible for navigating inmate access to healthcare; currently, there is no standardization for access to end-of-life care. There is growing research support for prison-based end-of-life care programs that incorporate inmate peer caregivers as a way to meet the needs of the elderly and dying who are incarcerated. AIM: This project aims to (a) describe a prison-based end-of-life program utilizing inmate peer caregivers, (b) identify inmate-caregiver motivations for participation, and (c) analyze the role of building trust and meaningful relationships within the correctional end-of-life care setting...
February 1, 2018: Palliative Medicine
https://www.readbyqxmd.com/read/29432362/left-axillary-artery-cannulation-facilitates-reoperative-total-aortic-arch-replacement
#8
Jonathan M Hemli, Bo Gu, S Jacob Scheinerman, Derek R Brinster
Total aortic arch replacement remains a technically formidable procedure, particularly in patients with previous proximal aortic dissection repair. Our case discussion highlights a useful strategy for extracorporeal support and circulation management to facilitate total arch reconstruction in the reoperative setting, based on cannulation of the left axillary artery. Our preference is to use a left axillary artery approach to initiate cardiopulmonary bypass and to ultimately revascularize the left arm via an extra-anatomic graft...
February 9, 2018: Innovations: Technology and Techniques in Cardiothoracic and Vascular Surgery
https://www.readbyqxmd.com/read/29426786/effect-of-feldspathic-porcelain-layering-on-the-marginal-fit-of-zirconia-and-titanium-complete-arch-fixed-implant-supported-frameworks
#9
Burak Yilmaz, Faris A Alshahrani, Ediz Kale, William M Johnston
STATEMENT OF PROBLEM: Veneering with porcelain may adversely affect the marginal fit of long-span computer-aided design and computer-aided manufacturing (CAD-CAM) implant-supported fixed prostheses. Moreover, data regarding the precision of fit of CAD-CAM-fabricated implant-supported complete zirconia fixed dental prostheses (FDPs) before and after porcelain layering are limited. PURPOSE: The purpose of this in vitro study was to evaluate the effect of porcelain layering on the marginal fit of CAD-CAM-fabricated complete-arch implant-supported, screw-retained FDPs with presintered zirconia frameworks compared with titanium...
February 6, 2018: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/29422195/practice-based-interpretation-of-ultrasound-studies-leads-the-way-to-more-effective-clinical-support-and-less-pharmaceutical-and-surgical-intervention-for-breastfeeding-infants
#10
REVIEW
Pamela Douglas, Donna Geddes
BACKGROUND: breastfeeding optimises health outcomes for both mothers and infants. Although most women want to breastfeed, they report commencing infant formula because of nipple pain, unsettled infant behaviour, and infant growth concerns. To date, existing approaches to fit and hold ('latch and positioning') have been demonstrated not to help breastfeeding outcomes, and women report widespread dissatisfaction with the quality of support and conflicting advice they receive. Breast and nipple pain, difficulty with latching and sucking, fussing at the breast, back-arching, marathon feeds, excessively frequent feeds, poor weight gain, breast refusal, and crying due to poor satiety often signal suboptimal positional instability and impaired milk transfer, but may be misdiagnosed as medical conditions...
March 2018: Midwifery
https://www.readbyqxmd.com/read/29420385/orthognathic-surgery-and-implant-supported-bridge-in-a-class-iii-patient-injured-in-a-motor-vehicle-accident
#11
Koji Honda, Makoto Hirota, Toshinori Iwai, Koichi Fujita, Susumu Omura, Takashi Ono, Iwai Tohnai
Occlusal and esthetic rehabilitation of jaw deformities in patients with partially edentulous maxilla are challenging procedures. This article describes a patient involving a skeletal Class III, 36-year-old male patient with a single bilateral anterior partially edentulous maxilla resulting from injuries sustained in a motor vehicle accident; his anterior teeth had been lost for more than 10 years. His lip protruded from the lateral view due to the proclined upper incisors and mandibular protrusion.Because of the facial deformity and inadequate prosthesis of the maxilla, the prosthesis had dropped out repeatedly...
February 7, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29409382/distal-placement-of-resuscitative-endovascular-balloon-occlusion-of-the-aorta-reboa-to-restore-hemodynamic-stability-in-a-patient-with-proximal-aortic-rupture
#12
Shira Strauss, Paul Engels, John Harlock
PURPOSE: To report unconventional use of the resuscitative endovascular balloon occlusion of the aorta (REBOA) technique to restore hemodynamic stability in a patient who was hemorrhaging from aortic injury proximal to the target zone of occlusion. CASE REPORT: A 72-year-old woman underwent urgent thoracic stent-graft repair of a ruptured 8×8-cm mycotic pseudoaneurysm. Two months later, follow-up imaging revealed that the proximal aortic stent seal zone had degenerated, so a percutaneous procedure was performed 2 months later to preemptively reinforce the segment of stented aorta...
February 1, 2018: Journal of Endovascular Therapy
https://www.readbyqxmd.com/read/29404850/mabal-a-novel-deep-learning-architecture-for-machine-assisted-bone-age-labeling
#13
Simukayi Mutasa, Peter D Chang, Carrie Ruzal-Shapiro, Rama Ayyala
Bone age assessment (BAA) is a commonly performed diagnostic study in pediatric radiology to assess skeletal maturity. The most commonly utilized method for assessment of BAA is the Greulich and Pyle method (Pediatr Radiol 46.9:1269-1274, 2016; Arch Dis Child 81.2:172-173, 1999) atlas. The evaluation of BAA can be a tedious and time-consuming process for the radiologist. As such, several computer-assisted detection/diagnosis (CAD) methods have been proposed for automation of BAA. Classical CAD tools have traditionally relied on hard-coded algorithmic features for BAA which suffer from a variety of drawbacks...
February 5, 2018: Journal of Digital Imaging: the Official Journal of the Society for Computer Applications in Radiology
https://www.readbyqxmd.com/read/29403646/barriers-and-facilitators-to-early-rehabilitation-in-mechanically-ventilated-patients-a-theory-driven-interview-study
#14
Shannon L Goddard, Fabiana Lorencatto, Ellen Koo, Louise Rose, Eddy Fan, Michelle E Kho, Dale M Needham, Gordon D Rubenfeld, Jill J Francis, Brian H Cuthbertson
Background: Despite a supportive evidence base and a push to implement, the uptake of early rehabilitation in critical care has been inconsistent. The objective of this study was to explore barriers and facilitators to early rehabilitation for critically ill patients receiving invasive mechanical ventilation. Methods: Using the Theoretical Domains Framework (TDF) of behavior change, we conducted semi-structured interviews exploring barriers and facilitators to early rehabilitation among four purposively sampled ICU clinician groups (nurses, rehabilitation professionals, respiratory therapists, and physicians)...
2018: Journal of Intensive Care
https://www.readbyqxmd.com/read/29396829/characteristics-of-aorto-iliofemoral-arterial-tree-according-to-aortic-valve-morphology-in-chinese-patients-considered-for-tavr
#15
Yuan Wang, Hasan Jilaihawi, Guanyuan Song, Moyang Wang, Bin Lv, Hao Wang, Guannan Niu, Zheng Zhou, Yongjian Wu
To characterize the anatomy of aorto-iliofemoral arterial tree according to aortic valve phenotype by CT in patients referred for transcatheter aortic valve replacement (TAVR). We retrospectively enrolled 215 patients screened for TAVR who underwent CT. Dimensions, calcification, vascular tortuosity index score and other putative risk features of 13 different regions were evaluated for bicuspid aortic valve (BAV) and tricuspid aortic valve (TAV) morphology. The study consisted of 44% BAVs with younger age than TAVs...
February 2, 2018: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/29387428/-porcelain-aorta-a-proposed-definition-and-classification-of-ascending-aortic-calcification
#16
Thomas Snow, Thomas Semple, Alison Duncan, Sarah Barker, Michael Rubens, Carlo DiMario, Simon Davies, Neil Moat, Edward David Nicol
Introduction: 'Porcelain aorta' is listed in the second consensus document of the Valve Academic Research Consortium as a risk factor in aortic valve replacement. However, the extent of circumferential involvement is poorly defined with great variability in reported incidence. We present a simple, reproducible classification to describe the extent of aortic calcification and thus appropriately define 'porcelain aorta', aiding clinical decision-making and registry data collection. Methods: 175 consecutive CT aortograms were reviewed...
2018: Open Heart
https://www.readbyqxmd.com/read/29381043/foot-and-ankle-conditions-midfoot-and-forefoot-conditions
#17
Katherine M Edenfield
The midfoot and forefoot are the regions of the foot distal to the talus and calcaneus and are critical to weight bearing and movement. They help support the arch of the foot, provide shock absorption, and convert vertically oriented forces into horizontal forward and propulsive movement. A spectrum of acute, subacute, and chronic conditions in these regions can cause pain and decreased function. A thorough history and physical examination should include foot and leg biomechanics, alignment, and posture in addition to palpation of painful areas...
February 2018: FP Essentials
https://www.readbyqxmd.com/read/29381041/foot-and-ankle-conditions-pes-planus
#18
Charlie Michaudet
Pes planus or pes planovalgus (ie, flatfoot) is a common condition among young children and also is encountered in adults. In children, congenital pes planus typically resolves with age as the foot musculature strengthens. Flexible pes planus is defined as a normal arch during non-weight-bearing activity or tiptoeing, with a flattening arch on standing. In rigid pes planus, the arch remains stiff and collapsed with or without weight bearing. Patients with rigid pes planus should be referred for subspecialist treatment...
February 2018: FP Essentials
https://www.readbyqxmd.com/read/29376064/evaluation-of-revascularization-after-total-arch-replacement-in-common-carotid-artery-occlusion
#19
Yasuhiro Matsuda, Tadaaki Koyama
Occlusion of the common carotid artery (CCA) is rare. CCA occlusion (CCAO) can present as drowsiness and right hemiplegia related to emboli after total arch replacement. Although we selected a follow-up at first because color duplex sonography showed retrograde flow from the left external carotid artery to the internal carotid artery, this patient had epilepsy and single-photon emission computed tomography (SPECT) acquired quantitative results of actual brain perfusion and showed insufficient collateral blood flow...
January 16, 2018: World Journal of Clinical Cases
https://www.readbyqxmd.com/read/29354574/biomechanical-parameters-in-plantar-fasciitis-measured-by-gait-analysis-system-with-pressure-sensor
#20
Seung Don Yoo, Hee Sang Kim, Jong Ha Lee, Dong Hwan Yun, Dong Hwan Kim, Jinmann Chon, Seung Ah Lee, Yoo Jin Han, Yun Soo Soh, Yong Kim, Seonyoung Han, Woojin Lee, Young Rok Han
Objective: To investigate the differences in biomechanical parameters measured by gait analysis systems between healthy subjects and subjects with plantar fasciitis (PF), and to compare biomechanical parameters between 'normal, barefooted' gait and arch building gait in the participants. Methods: The researchers evaluated 15 subjects (30 feet) with bilateral foot pain and 15 subjects (15 feet) with unilateral foot pain who had a clinical diagnosis of PF. Additionally, 17 subjects (34 feet) who had no heel pain were recruited...
December 2017: Annals of Rehabilitation Medicine
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