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https://www.readbyqxmd.com/read/28817131/connective-tissue-graft-wall-technique-and-enamel-matrix-derivative-for-the-treatment-of-infrabony-defects-case-reports
#1
Giovanni Zucchelli, Lham Mounssif, Matteo Marzadori, Claudio Mazzotti, Pietro Felice, Martina Stefanini
The present case report describes a modification of the connective tissue graft wall technique with enamel matrix derivative applied to treat deep vertical bony defects. The technique presented uses a palatal incision to gain access to the bony defect. Deep infrabony defects affecting two maxillary central incisors associated with interdental and buccal gingival recession were treated. At 1 year after surgery, 9 and 6 mm of interdental clinical attachment level gain were seen in cases 1 and 2, respectively...
September 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/28817128/epithelial-inclusions-following-a-bilaminar-root-coverage-procedure-with-a-subepithelial-connective-tissue-graft-a-histologic-and-clinical-study
#2
Federica Romano, Stefano Perotto, Luca Cricenti, Stefano Gotti, Mario Aimetti
The aim of this study was to histologically examine any epithelial cell inclusions in submerged subepithelial connective tissue graft (SCTG) after clinical healing was achieved. A total of 16 patients with Miller Class I or II gingival recessions were consecutively treated with a bilaminar procedure. At 2 months after surgery, a gingival tissue specimen was harvested from all SCTG-treated sites and stained with hematoxylin-eosin. The histologic evaluation revealed connective tissue in active reorganization without epithelial inclusions in 14 of the 16 tissue specimens...
September 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/28799720/its-fungal-barcoding-primers-vs-18s-amf-specific-primers-reveal-similar-amf-based-diversity-patterns-in-roots-and-soils-of-three-mountain-vineyards
#3
A Berruti, A Desirò, S Visentin, O Zecca, P Bonfante
ITS primers commonly used to describe soil fungi are flawed for AMF although it is unknown the extent to which they distort the interpretation of community patterns. Here we focus on how the use of a specific ITS2 fungal barcoding primer pair biased for AMF changes the interpretation of AMF community patterns from three mountain vineyards compared to a novel AMF-specific approach on the 18S. We found that although discrepancies were present in the taxonomic composition of the two resulting datasets, the estimation of diversity patterns among AMF communities was similar and resulted in both primer systems being able to correctly assess the community-structuring effect of location, compartment (root vs...
August 11, 2017: Environmental Microbiology Reports
https://www.readbyqxmd.com/read/28798422/long-term-stability-of-root-coverage-by-coronally-advanced-flap-procedures
#4
(no author information available yet)
Is it of any clinical relevance to use in combination with a coronally advanced flap a xenograft, when there is only an additional 0.3 mm root coverage?
August 11, 2017: British Dental Journal
https://www.readbyqxmd.com/read/28777811/a-machine-learning-approach-to-estimation-of-downward-solar-radiation-from-satellite-derived-data-products-an-application-over-a-semi-arid-ecosystem-in-the-u-s
#5
Qingtao Zhou, Alejandro Flores, Nancy F Glenn, Reggie Walters, Bangshuai Han
Shortwave solar radiation is an important component of the surface energy balance and provides the principal source of energy for terrestrial ecosystems. This paper presents a machine learning approach in the form of a random forest (RF) model for estimating daily downward solar radiation flux at the land surface over complex terrain using MODIS (MODerate Resolution Imaging Spectroradiometer) remote sensing data. The model-building technique makes use of a unique network of 16 solar flux measurements in the semi-arid Reynolds Creek Experimental Watershed and Critical Zone Observatory, in southwest Idaho, USA...
2017: PloS One
https://www.readbyqxmd.com/read/28772446/synthesis-of-graphene-based-membranes-effect-of-substrate-surface-properties-on-monolayer-graphene-transfer
#6
Feras Kafiah, Zafarullah Khan, Ahmed Ibrahim, Muataz Atieh, Tahar Laoui
In this work, we report the transfer of graphene onto eight commercial microfiltration substrates having different pore sizes and surface characteristics. Monolayer graphene grown on copper by the chemical vapor deposition (CVD) process was transferred by the pressing method over the target substrates, followed by wet etching of copper to obtain monolayer graphene/polymer membranes. Scanning electron microscopy (SEM), atomic force microscopy (AFM), and contact angle (CA) measurements were carried out to explore the graphene layer transferability...
January 21, 2017: Materials
https://www.readbyqxmd.com/read/28771945/optimizing-gradient-conditions-in-online-comprehensive-two-dimensional-reversed-phase-liquid-chromatography-by-use-of-the-linear-solvent-strength-model
#7
Rune Graesbøll, Hans-Gerd Janssen, Jan H Christensen, Nikoline J Nielsen
The linear solvent strength model was used to predict coverage in online comprehensive two-dimensional reversed-phase liquid chromatography. The prediction model uses a parallelogram to describe the separation space covered with peaks in a system with limited orthogonality. The corners of the parallelogram are assumed to behave like chromatographic peaks and the position of these pseudo-compounds predicted. A mix of 25 polycyclic aromatic compounds were used as a test. The precision of the prediction, span 0-25, was tested by varying input parameters, and was found to be acceptable with root mean square errors of 3...
August 3, 2017: Journal of Separation Science
https://www.readbyqxmd.com/read/28764948/effects-of-the-incorporation-of-%C3%AE%C2%B5-aminocaproic-acid-chitosan-particles-to-fibrin-on-cementoblast-differentiation-and-cementum-regeneration
#8
Chan Ho Park, Joung-Hwan Oh, Hong-Moon Jung, Yoonnyoung Choi, Saeed Rahman, Sungtae Kim, Tae-Il Kim, Hong-In Shin, Yun-Sil Lee, Frank H Yu, Jeong-Hwa Baek, Hyun-Mo Ryoo, Kyung Mi Woo
Cementum formation on the exposed tooth-root surface is a critical process in periodontal regeneration. Although various therapeutic approaches have been developed, regeneration of integrated and functional periodontal complexes is still wanting. Here, we found that the OCCM30 cementoblasts cultured on fibrin matrix express substantial levels of matrix proteinases, leading to the degradation of fibrin and the apoptosis of OCCM30 cells, which was reversed upon treatment with a proteinase inhibitor, ε-aminocaproic acid (ACA)...
July 29, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28758301/periodontal-plastic-surgery-of-gingival-recessions-at-single-and-multiple-teeth
#9
REVIEW
Francesco Cairo
This manuscript aims to review periodontal plastic surgery for root coverage at single and multiple gingival recessions. Techniques are assessed based on biological principles, surgical procedures, prognosticative factors and expected clinical and esthetic outcomes. The use of coronally advanced flap, laterally sliding flap, free gingival graft, the tunnel grafting technique, barrier membranes, enamel matrix derivative, collagen matrix and acellular dermal matrix are evaluated. The clinical scenario and practical implications are analyzed according to a modern evidence-based approach...
October 2017: Periodontology 2000
https://www.readbyqxmd.com/read/28753100/xenogenous-collagen-matrix-and-or-enamel-matrix-derivative-for-treatment-of-localized-gingival-recessions-a-randomized-clinical-trial-part-i-clinical-outcomes
#10
João Paulo Sangiorgio, Felipe Lucas da Silva Neves, Manuela Rocha Dos Santos, Isabela Lima França-Grohmann, Renato Corrêa Viana Casarin, Márcio Zaffalon Casati, Mauro Pedrine Santamaria, Enilson Antonio Sallum
BACKGROUND: Considering xenogeneic collagen matrix (CM) and enamel matrix derivative (EMD) characteristics, it is suggested that their combination could promote superior clinical outcomes in root coverage procedures. Thus, the aim of this parallel, double-blinded, dual-centre, randomized clinical trial was to evaluate the clinical outcomes after treatment of localized gingival recession by coronally advanced flap (CAF) combined with CM and/or enamel matrix derivative (EMD). METHODS: Sixty-eight patients presenting one Miller Class I or II gingival recessions were randomly assigned to receive either CAF (n=17); CAF + CM (n=17); CAF+EMD (n=17) or CAF+CM+EMD (n=17)...
July 28, 2017: Journal of Periodontology
https://www.readbyqxmd.com/read/28753098/xenogenous-collagen-matrix-and-or-enamel-matrix-derivative-for-treatment-of-localized-gingival-recessions-a-randomized-clinical-trial-part-ii-patient-reported-outcomes
#11
Manuela Rocha Dos Santos, João Paulo Menck Sangiorgio, Felipe Lucas da Silva Neves, Isabela Lima França-Grohmann, Francisco Humberto Nociti, Karina Gonzales Silverio Ruiz, Mauro Pedrine Santamaria, Enilson Antonio Sallum
BACKGROUND: Gingival recession (GR) might be associated with patient discomfort due to cervical dentin hypersensitivity (CDH) and esthetics dissatisfaction. The aim is to evaluate the effect of root coverage procedure with xenogeneic collagen matrix (CM) and/or enamel matrix derivative (EMD) in combination with the coronally advanced flap (CAF) on CDH, esthetics and quality of life of patients with GR. METHODS: Sixty-eight participants with single Miller I/II GRs were treated with CAF (n = 17), CAF + CM (n = 17), CAF + EMD (n = 17) and CAF + CM + EMD (n = 17)...
July 28, 2017: Journal of Periodontology
https://www.readbyqxmd.com/read/28750619/the-practical-use-of-genome-sequencing-data-in-the-management-of-a-feline-colony-pedigree
#12
Fabiana H G Farias, Chad Tomlinson, Jeffrey Labuda, Gerardo Perez-Camargo, Rondo Middleton, Wesley C Warren
BACKGROUND: A higher prevalence of inherited disorders among companion animals are often rooted in their historical restricted artificial selection for a variety of observed phenotypes that eventually decreased genetic diversity. Cats have been afflicted with many inherited diseases due to domestication and intense breed selection. Advances in sequencing technology have generated a more comprehensive way to access genetic information from an individual, allowing identification of putative disease-causing variants and in practice a means to avoid their spread and thus better pedigree management...
July 27, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28731927/injectate-spread-following-anterior-sub-costal-and-posterior-approaches-to-the-quadratus-lumborum-block-a-comparative-cadaveric-study
#13
Hesham Elsharkawy, Kariem El-Boghdadly, Sree Kolli, Wael A S Esa, Sean DeGrande, Loran M Soliman, Richard L Drake
BACKGROUND: The dermatomal level of analgesia achieved with quadratus lumborum blocks varies according to the location of injection. The most commonly used approaches are either at the postero-lateral aspect or anterior to the quadratus lumborum muscle. OBJECTIVE: To determine whether the site of injection of contrast dye around the quadratus lumborum muscle of cadavers affects the extent and mechanism of dye spread. DESIGN: Observational human cadaver study...
September 2017: European Journal of Anaesthesiology
https://www.readbyqxmd.com/read/28713114/retrospective-assessment-of-healing-outcome-of-endodontic-treatment-for-mandibular-molars-with-c-shaped-root-canal
#14
Anika Bansal, Anuj Singh Parihar, Achla Sethi, Kishore Kumar Majety, Jaina Panjabi, Basanta Kumar Choudhury
INTRODUCTION: A thorough knowledge of the anatomic morphology of the root canal system is necessary for the long-term success of the root canal therapy. The occurrence of C-shaped root canal configuration is one such variation. Achievement of favorable prognosis after commencing root canal therapy in such teeth is one of the challenges imposed on the endodontist. Hence, we evaluated the healing occurring after endodontic therapy in patients with C-shaped root canals in mandibular molars...
July 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/28681951/natural-succession-on-abandoned-cropland-effectively-decreases-the-soil-erodibility-and-improves-the-fungal-diversity
#15
Chao Zhang, Guobin Liu, Zilin Song, Dong Qu, Linchuan Fang, Lei Deng
Changes in plants and soils during natural succession have been evaluated, but little is known about the effects of succession on the activities of soil microbes and their interactions with soil erodibility. We conducted a field study on the Chinese Loess Plateau, typical of this semiarid area, to determine the effect of secondary succession on the stability of soil structure against erosion and on the composition of soil fungal communities. Characteristics of plant, soil, and fungal communities were assessed across a 30-year chronosequence of grassland developed from abandoned cropland...
July 6, 2017: Ecological Applications: a Publication of the Ecological Society of America
https://www.readbyqxmd.com/read/28672773/generalized-confidence-intervals-for-intra-and-inter-subject-coefficients-of-variation-in-linear-mixed-effects-models
#16
Johannes Forkman
Linear mixed-effects models are linear models with several variance components. Models with a single random-effects factor have two variance components: the random-effects variance, i. e., the inter-subject variance, and the residual error variance, i. e., the intra-subject variance. In many applications, it is practice to report variance components as coefficients of variation. The intra- and inter-subject coefficients of variation are the square roots of the corresponding variances divided by the mean...
June 15, 2017: International Journal of Biostatistics
https://www.readbyqxmd.com/read/28667741/coronal-advanced-flap-in-combination-with-a-connective-tissue-graft-is-the-thickness-of-the-flap-a-predictor-for-root-coverage-a-prospective-clinical-study
#17
Teresa Garcés, Josep Maria Carbonell, Lluis Vallcorba, Antonio Santos, Cristina Valles, Jose Nart
AIM: Evaluate if there is any relationship between the flap thickness and the presence of complete root coverage when performing coronally advanced flaps in combination with a connective tissue graft. MATERIAL AND METHODS: Prospective clinical study, in which multiple Miller class I and II recessions were treated with a coronally advanced flap and a connective tissue graft standardized at 1mm of thickness. Individual stents permitted repeated mesurements of conventional periodontal parameters at the same point...
July 1, 2017: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/28651838/progress-and-challenges-in-measles-and-rubella-elimination-in-the-who-european-region
#18
Siddhartha Sankar Datta, Patrick Michael O'Connor, Dragan Jankovic, Mark Muscat, Myriam Corrine Ben Mamou, Simarjit Singh, Theodoros Kaloumenos, Susan Reef, Mark Papania, Robb Butler
INTRODUCTION: Despite availability of safe and cost-effective vaccines to prevent it, measles remains one of the significant causes of death among children under five years of age globally. The World Health Organization (WHO) European Region has seen a drastic decline in measles and rubella cases in recent years, and a few of the once common measles genotypes are no longer detected. Buoyed by this success, all Member States of the Region reconfirmed their commitment in 2010 to eliminating measles and rubella, and made this a central objective of the European Vaccine Action Plan 2015-2020 (EVAP)...
June 23, 2017: Vaccine
https://www.readbyqxmd.com/read/28650476/cry2h-seq-a-massively-multiplexed-assay-for-deep-coverage-interactome-mapping
#19
Shelly A Trigg, Renee M Garza, Andrew MacWilliams, Joseph R Nery, Anna Bartlett, Rosa Castanon, Adeline Goubil, Joseph Feeney, Ronan O'Malley, Shao-Shan C Huang, Zhuzhu Z Zhang, Mary Galli, Joseph R Ecker
Broad-scale protein-protein interaction mapping is a major challenge given the cost, time, and sensitivity constraints of existing technologies. Here, we present a massively multiplexed yeast two-hybrid method, CrY2H-seq, which uses a Cre recombinase interaction reporter to intracellularly fuse the coding sequences of two interacting proteins and next-generation DNA sequencing to identify these interactions en masse. We applied CrY2H-seq to investigate sparsely annotated Arabidopsis thaliana transcription factors interactions...
August 2017: Nature Methods
https://www.readbyqxmd.com/read/28626998/large-coverage-black-bright-blood-interleaved-imaging-sequence-labbi-for-3d-dynamic-contrast-enhanced-mri-of-vessel-wall
#20
Haikun Qi, Feng Huang, Zechen Zhou, Peter Koken, Niranjan Balu, Bida Zhang, Chun Yuan, Huijun Chen
PURPOSE: To propose a large coverage black-bright blood interleaved imaging sequence (LaBBI) for 3D dynamic contrast-enhanced MRI (DCE-MRI) of the vessel wall. METHODS: LaBBI consists of a 3D black-blood stack-of-stars golden angle radial acquisition with high spatial resolution for vessel wall imaging and a 2D bright-blood Cartesian acquisition with high temporal resolution for arterial input function estimation. The two acquisitions were performed in an interleaved fashion within a single scan...
June 19, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
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