keyword
MENU ▼
Read by QxMD icon Read
search

SLA

keyword
https://www.readbyqxmd.com/read/27885966/er-cr-ysgg-laser-effectively-ablates-single-species-biofilms-on-titanium-disks-without-detectable-surface-damage
#1
Jason M Strever, Jaebum Lee, William Ealick, Mark Peacock, Daniel Shelby, Cristiano Susin, Donald Mettenberg, Ahmed El-Awady, Frederick Rueggeberg, Christopher W Cutler
BACKGROUND: Increasing evidence implicates biofilms, consisting of species such as Porphyromonas gingivalis, in the etiology of peri-implantitis. Multiple approaches to ablate biofilms on failing implants have been proposed, include the use of lasers; most recently the Er,Cr:YSGG laser. The purpose of this study is to establish an in-vitro single-species biofilm model on implant surfaces and determine power settings of the Er,Cr:YSGG laser that remove the biofilm while not causing physical damage to the disk...
November 25, 2016: Journal of Periodontology
https://www.readbyqxmd.com/read/27885965/the-parameters-that-improve-the-cleaning-efficiency-of-sub-gingival-air-polishing-on-titanium-implant-surfaces-an-in-vitro-study
#2
Ceylin S Tastepe, Xingnan Lin, Marcel Donnet, Daniel Wismeijer, Yuelian Liu
BACKGROUND: The aim was to unravel how the air-polishing behaves on a titanium surface by evaluating the size and the shape of the cleaned area, influence of the different device settings, and pocket depths and cleaning movements. METHODS: 48 titanium SLA surface film-coated discs were treated with an air abrasive system using a subgingival plastic nozzle. Two subgingival models were employed: open-ended (step 1) and defined-size (step 2). In step 1, the most effective parameters were investigated by 5 sec static applications under different settings...
November 25, 2016: Journal of Periodontology
https://www.readbyqxmd.com/read/27884532/morphometric-analysis-of-the-folliculostellate-cells-and-luteinizing-hormone-gonadotropic-cells-of-the-anterior-pituitary-of-the-men-during-the-aging-process
#3
Jovana Čukuranović Kokoris, Ivan Jovanović, Vukica Pantović, Miljan Krstić, Milica Stanojković, Verica Milošević, Slađana Ugrenović, Vesna Stojanović
The aim of this research was to quantify the changes in the morphology and density of the anterior pituitary folliculostellate (FS) and luteinizing hormone (LH) cells. Material was tissue of the pituitary gland of the 14 male cadavers. Tissue slices were immunohistochemically stained with monoclonal anti-LH antibody and polyclonal anti-S100 antibody for the detection of LH and FS cells, respectively. Digital images of the stained slices were afterwards morphometrically analyzed by ImageJ. Results of the morphometric analysis showed significant increase of the FS cells volume density in cases older than 70 years...
November 17, 2016: Tissue & Cell
https://www.readbyqxmd.com/read/27882311/retrospective-clinical-study-of-an-implant-with-a-sandblasted-large-grit-acid-etched-surface-and-internal-connection-analysis-of-short-term-success-rate-and-marginal-bone-loss
#4
Jae-Wang Lee, Jun Hyeong An, Sang-Hoon Park, Jong-Hyon Chong, Gwang-Seok Kim, JeongJoon Han, Seunggon Jung, Min-Suk Kook, Hee-Kyun Oh, Sun-Youl Ryu, Hong-Ju Park
BACKGROUND: The purpose of this retrospective study was to evaluate the clinical utility of an implant with a sandblasted, large-grit, acid-etched (SLA) surface and internal connection. METHODS: Six patients who received dental implants in the Department of Oral and Maxillofacial Surgery, Chonnam National University Dental Hospital, were analyzed by factors influencing the success rate and marginal bone loss. Factors included patient's age, sex, implant installation site, whether bone graft was done, type of bone graft materials, approaching method if sinus lift was done, and the size of the fixture...
December 2016: Maxillofacial Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/27881639/enhancement-of-osseointegration-by-direct-coating-of-rhbmp-2-on-target-ion-induced-plasma-sputtering-treated-sla-surface-for-dental-application
#5
Sungwon Kim, Cheonil Park, Byeong-Seok Moon, Hyoun-Ee Kim, Tae-Sik Jang
Owing to the excellent bioactive properties of recombinant human bone morphogenetic proteins (rhBMPs), dentistry considers them as a fascinating adjuvant alternative for enhancing bone regeneration and bone-to-implant junction in the early implantation stages. However, stable loading and delivery efficiency of rhBMPs on the implant surfaces involve major concerns because of the harsh wearing condition under load during implantation. In this study, to achieve successful rhBMP-2 delivery, a nanoporous surface structure is introduced on the sandblasting with large grit and acid-etching (SLA)-treated titanium (Ti) surface via the tantalum (Ta) target-ion induced plasma sputtering (TIPS) technique...
November 23, 2016: Journal of Biomaterials Applications
https://www.readbyqxmd.com/read/27859101/can-trait-patterns-along-gradients-predict-plant-community-responses-to-climate-change
#6
John Guittar, Deborah Goldberg, Kari Klanderud, Richard J Telford, Vigdis Vandvik
Plant functional traits vary consistently along climate gradients and are therefore potential predictors of plant community response to climate change. We test this space-for-time assumption by combining a spatial gradient study with whole-community turf transplantation along temperature and precipitation gradients in a network of 12 grassland sites in Southern Norway. Using data on eight traits for 169 species and annual vegetation censuses of 235 turfs over 5 yr, we quantify trait-based responses to climate change by comparing observed community dynamics in transplanted turfs to field-parameterized null model simulations...
October 2016: Ecology
https://www.readbyqxmd.com/read/27853463/timing-effects-of-heat-stress-on-plant-ecophysiological-characteristics-and-growth
#7
Dan Wang, Scott A Heckathorn, Kumar Mainali, Rajan Tripathee
Heat-waves with higher intensity and frequency and longer durations are expected in the future due to global warming, which could have dramatic impacts in agriculture, economy and ecology. This field study examined how plant responded to heat-stress (HS) treatment at different timing in naturally occurring vegetation. HS treatment (5 days at 40.5°C) were applied to 12 1 m(2) plots in restored prairie vegetation dominated by a warm-season C4 grass, Andropogon gerardii, and a warm-season C3 forb, Solidago canadensis, at different growing stages...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27847575/microsurgical-foraminotomy-via-wiltse-paraspinal-approach-for-foraminal-or-extraforaminal-stenosis-at-l5-s1-level-risk-factor-analysis-for-poor-outcome
#8
Sung-Ik Cho, Chung-Kee Chough, Shu-Chung Choi, Jin-Young Chun
OBJECTIVE: The purpose of this study was to present the outcome of the microsurgical foraminotomy via Wiltse paraspinal approach for foraminal or extraforaminal (FEF) stenosis at L5-S1 level. We investigated risk factors associated with poor outcome of microsurgical foraminotomy at L5-S1 level. METHODS: We analyzed 21 patients who underwent the microsurgical foraminotomy for FEF stenosis at L5-S1 level. To investigate risk factors associated with poor outcome, patients were classified into two groups (success and failure in foraminotomy)...
November 2016: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/27845489/leishmaniasis-and-ifn-%C3%AE-dependent-chemokines
#9
P Fallahi, G Elia, A Bonatti
Leishmaniasis is a disease caused by Leishmania and spread by the bite of certain types of sandflies. Leishmaniasis affects as many as 12 million people worldwide, with 2 million new cases each year. Leishmania infection, and Leishmaniasis, following occupational exposure has been also reported. Three forms of Leishmaniasis are known: a- Cutaneous Leishmaniasis (CL); b-Mucocutaneous Leishmaniasis; c- Visceral Leishmaniasis (VL). The visceral form of Leishmaniasis has an estimated incidence of 500,000 new cases...
September 2016: La Clinica Terapeutica
https://www.readbyqxmd.com/read/27830879/a-comparative-approach-to-the-cad-model-of-a-dog-femur
#10
Ozan Turamanlar, Ozgur Verim, Abdurrahman Karabulut
Computer assisted technologies offers new opportunities in medical imaging and rapid prototyping in biomechanical engineering. Three dimensional modelling of soft tissues and bones are becoming more important. The accuracy of the analysis in modelling processes depends on the outline of the tissues derived from medical images. The aim of this study is the evaluation of the accuracy of three dimensional (3D) models of a dog femur derived from computed tomography (CT) data by using point cloud method (PCM) and boundary line method (BLM) on several modeling software...
November 10, 2016: Folia Morphologica (Warsz)
https://www.readbyqxmd.com/read/27825675/adhesion-of-porphyromonas-gingivalis-and-tannerella-forsythia-to-dentin-and-titanium-with-sandblasted-and-acid-etched-surface-coated-with-serum-and-serum-proteins-an-in-vitro-study
#11
Sigrun Eick, Christian Kindblom, Danuta Mizgalska, Anna Magdoń, Karolina Jurczyk, Anton Sculean, Andreas Stavropoulos
OBJECTIVE: To evaluate the adhesion of selected bacterial strains incl. expression of important virulence factors at dentin and titanium SLA surfaces coated with layers of serum proteins. METHODS: Dentin- and moderately rough SLA titanium-discs were coated overnight with human serum, or IgG, or human serum albumin (HSA). Thereafter, Porphyromonas gingivalis, Tannerella forsythia, or a six-species mixture were added for 4h and 24h. The number of adhered bacteria (colony forming units; CFU) was determined...
November 2, 2016: Archives of Oral Biology
https://www.readbyqxmd.com/read/27812113/immunity-to-lutzomyia-whitmani-saliva-protects-against-experimental-leishmania-braziliensis-infection
#12
Regis Gomes, Katrine Cavalcanti, Clarissa Teixeira, Augusto M Carvalho, Paulo S Mattos, Juqueline R Cristal, Aline C Muniz, José Carlos Miranda, Camila I de Oliveira, Aldina Barral
BACKGROUND: Previous works showed that immunization with saliva from Lutzomyia intermedia, a vector of Leishmania braziliensis, does not protect against experimental infection. However, L. braziliensis is also transmitted by Lutzomyia whitmani, a sand fly species closely related to Lu. intermedia. Herein we describe the immune response following immunization with Lu. whitmani saliva and the outcome of this response after L. braziliensis infection. METHODS AND FINDINGS: BALB/c mice immunized with Lu...
November 2016: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/27790157/influence-of-time-of-day-on-maximal-exercise-capacity-is-related-to-daily-thermal-balance-but-not-to-induced-neuronal-activity-in-rats
#13
Frederico S M Machado, Daniela R C Fóscolo, Maristela O Poletini, Cândido C Coimbra
In the present study, we investigated whether the daily fluctuations of internal body temperature (Tb) and spontaneous locomotor activity (SLA) interact with the thermal and neuronal adjustments induced by high-intensity aerobic exercise until fatigue. The body temperature and SLA of adult Wistar rats (n = 23) were continuously recorded by telemetry for 48 h. Then, the rats were subjected to a protocol of graded exercise until fatigue or rest on the treadmill during light and dark-phases. Tb, tail skin temperature and ambient temperature during each experimental session were recorded...
2016: Frontiers in Physiology
https://www.readbyqxmd.com/read/27784134/bacterial-and-mammalian-cells-adhesion-to-tantalum-decorated-micro-nano-structured-titanium
#14
Yu Zhu, Yingxin Gu, Shichong Qiao, Linyi Zhou, Junyu Shi, Hongchang Lai
Microorganisms are frequently introduced to dental implants during surgery and start the race for the surface with host cells before osseointegration occurs. The aim of the study was to endow implant surfaces with biological functions that reliably select cells over microbes. Nano-structured tantalum (Ta) has exhibited excellent compatibility. Thus, nano-structured Ta films were deposited on the sand-blasted, large grit, and acid-etched (SLA) titanium by the magnetron sputtering method, thus forming hierarchical micro-/nano-structured surfaces...
October 26, 2016: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/27760184/production-of-a-locus-and-allele-specific-monoclonal-antibody-for-the-characterization-of-sla-1-0401-mrna-and-protein-expression-levels-in-mhc-defined-microminipigs
#15
Yoshie Kametani, Shino Ohshima, Asuka Miyamoto, Atsuko Shigenari, Masaki Takasu, Noriaki Imaeda, Tatsuya Matsubara, Masafumi Tanaka, Takashi Shiina, Hiroshi Kamiguchi, Ryuji Suzuki, Hitoshi Kitagawa, Jerzy K Kulski, Noriaki Hirayama, Hidetoshi Inoko, Asako Ando
The class I major histocompatibility complex (MHC) presents self-developed peptides to specific T cells to induce cytotoxity against infection. The MHC proteins are encoded by multiple loci that express numerous alleles to preserve the variability of the antigen-presenting ability in each species. The mechanism regulating MHC mRNA and protein expression at each locus is difficult to analyze because of the structural and sequence similarities between alleles. In this study, we examined the correlation between the mRNA and surface protein expression of swine leukocyte antigen (SLA)-1*0401 after the stimulation of peripheral blood mononuclear cells (PBMCs) by Staphylococcus aureus superantigen toxic shock syndrome toxin-1 (TSST-1)...
2016: PloS One
https://www.readbyqxmd.com/read/27756111/effects-of-the-micro-nano-surface-topography-of-titanium-alloy-on-the-biological-responses-of-osteoblast
#16
Chengcheng Yin, Yanjing Zhang, Qing Cai, Baosheng Li, Hua Yang, Heling Wang, Hua Qi, Yanmin Zhou, Weiyan Meng
In clinical applications, osseointegration is essential for the long-term stability of dental implants. Inspired by the hierarchical structure of natural bone, we applied the electrochemical etching (EC) technique to form a micro-nano structure on a titanium alloy (Ti6Al4V) substrate, called EC surface. Sand blasting and acid etching (SLA) and machined (M) methods were employed to generate micro and smooth textures, respectively, as the control groups. The surface topographies of the three substrates were characterized using scanning electron microscopy (SEM)...
October 18, 2016: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/27747702/a-randomized-12-month-controlled-trial-to-evaluate-non-inferiority-of-early-compared-to-conventional-loading-of-modsla-implants-in-single-tooth-gaps
#17
Michel Dard, Makoto Shiota, Minoru Sanda, Yasutomo Yajima, Hideshi Sekine, Shohei Kasugai
BACKGROUND: The aim of the study was to evaluate whether early loading of implants with a chemically modified sandblasted, large-grit, acid-etched (SLA) (SLActive®) surface was non-inferior to conventional loading in terms of change in crestal bone level. METHODS: This was a randomized, controlled, multicenter study. Patients requiring single-tooth rehabilitation in the posterior maxilla or mandible received implants and were randomized to receive a provisional restoration in occlusal load after 25 ± 3 days (early loading) or after 13 ± 1 weeks (conventional loading)...
December 2016: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/27747627/genomic-analyses-of-early-peri-implant-bone-healing-in-humans-a-systematic-review
#18
Siddharth Shanbhag, Vivek Shanbhag, Andreas Stavropoulos
OBJECTIVE: The objective of the study was to systematically review the literature for studies reporting gene expression analyses (GEA) of the biological processes involved in early human peri-implant bone healing. METHODS: Electronic databases (MEDLINE, EMBASE) were searched in duplicate. Controlled and uncontrolled studies reporting GEA of human peri-implant tissues - including ≥5 patients and ≥2 time points - during the first 4 weeks of healing were eligible for inclusion...
December 2015: Int J Implant Dent
https://www.readbyqxmd.com/read/27720547/hyperspectral-leaf-reflectance-of-carpinus-betulus-l-saplings-for-urban-air-quality-estimation
#19
Melanka Brackx, Shari Van Wittenberghe, Jolien Verhelst, Paul Scheunders, Roeland Samson
In urban areas, the demand for local assessment of air quality is high. The existing monitoring stations cannot fulfill the needs. This study assesses the potential of hyperspectral tree leaf reflectance for monitoring traffic related air pollution. Hereto, 29 Carpinus betulus saplings were exposed to an environment with either high or low traffic intensity. The local air quality was estimated by leaf saturation isothermal remanent magnetization (SIRM). The VIS-NIR leaf reflectance spectrum (350-2500 nm) was measured using a handheld AgriSpec spectroradiometer (ASD Inc...
January 2017: Environmental Pollution
https://www.readbyqxmd.com/read/27717024/plants-are-less-negatively-affected-by-flooding-when-growing-in-species-rich-plant-communities
#20
Alexandra J Wright, Hans de Kroon, Eric J W Visser, Tina Buchmann, Anne Ebeling, Nico Eisenhauer, Christine Fischer, Anke Hildebrandt, Janneke Ravenek, Christiane Roscher, Alexandra Weigelt, Wolfgang Weisser, Laurentius A C J Voesenek, Liesje Mommer
Flooding is expected to increase in frequency and severity in the future. The ecological consequences of flooding are the combined result of species-specific plant traits and ecological context. However, the majority of past flooding research has focused on individual model species under highly controlled conditions. An early summer flooding event in a grassland biodiversity experiment in Jena, Germany, provided the opportunity to assess flooding responses of 60 grassland species in monocultures and 16-species mixtures...
September 15, 2016: New Phytologist
keyword
keyword
56634
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"