bluuebunny/crossref_metadata_2025_split huggingface dataset:
The Use of Different Photoinitiator Systems in Photopolymerizing Resin Cements Through Ceramic Veneers
Authors: Delgado AJ , Castellanos EM , Sinhoreti MAC , Oliveira DC , Abdulhameed N , Geraldeli S , Sulaiman TA , Roulet J-F 
Published: December 2018

SUMMARY

Objective:
To evaluate the effect of different photoinitiator systems on photopolymerizing resin cements through ceramic veneers with different thickness on microshear bond strength (μSBS), flexural strength (FS), and ultimate tensile strength (UTS) and verify the light attenuation through these ceramic veneers.

Methods and Materials:
Four photopolymerizing experimental resin cements were produced with the same resin matrix and associated with four different photoinitiator systems: camphorquinone (CQ), diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide (TPO), Ivocerin, and TPO + Ivocerin. Eighty disc-shaped ceramic veneers (IPS Empress Esthetic, Ivoclar Vivadent) were fabricated (10-mm diameter) in two different thicknesses: 0.7 and 1.5 mm. A previously characterized multiwave LED (Bluephase G2, Ivoclar Vivadent) was standardized for 40 seconds of photoactivation. Light transmittance through each ceramic veneer thickness (n=5) was measured using a spectrometer (USB 2000, Ocean Optics). The μSBS of each resin cement (n=15) to the ceramic veneer was evaluated using 0.5-mm cylinders with 0.7-mm diameters photoactivated through the different ceramic veneer thicknesses. Samples for FS and UTS tests were made either with or without ceramics veneers (0.7 and 1.5 mm) fixed to the light-curing tip. Data were submitted to two-way analysis of variance and the Tukey test (α=0.05).

Results:
The multiwave LED emitted higher irradiance into the blue wavelength spectra than into the violet wavelength spectra (p=0.0001). Light transmittance through the ceramic veneers was reduced in a systematic manner based on thickness regardless of the wavelength spectra emitted from the multiwave LED (p=0.00037). The μSBS was reduced in a systematic manner based on thickness regardless of the photoinitiator system (p&lt;0.05). However, resin cements with CQ and Ivocerin showed higher bond strength values in comparison to the resin cement with TPO regardless of the ceramic veneer thickness (p&lt;0.05). The FS and UTS means decreased (p&lt;0.05) with the interposition of 0.7- and 1.5-mm ceramic veneers for all resin cements. The resin cement containing only TPO showed the lowest FS and UTS means (p&lt;0.05) for all ceramic veneers.

Conclusions:
The thickness of the ceramic veneers reduced the irradiance of the multiwave LED in all wavelength spectra. Ivocerin alone or associated with TPO showed to be an effective alternative photoinitiator to substitute for CQ. The resin cement containing only TPO had lower bond strength values in comparison to resin cements with CQ, Ivocerin, and Ivocerin + TPO.
Potassium Iodide Reversal of Silver Diamine Fluoride Staining: A Case Report
Authors: Garg S , Sadr A , Chan DCN 
Published: December 2018

SUMMARYThis article describes the clinical protocol of using potassium iodide (KI) to reverse staining caused by silver diamine fluoride (SDF). SDF contains silver, fluoride, and ammonia. It has been used to arrest dental caries mainly in pediatric applications. The major drawback of SDF application is the dark staining of both teeth and restorative materials. Hence, its use on adult dentition is limited. Improving the esthetic outcome by stain reduction would greatly enhance the opportunity for SDF's universal use. This case demonstrates how KI can effectively reverse the staining.
Evaluation of the Microshear Bond Strength of MDP-containing and Non–MDP-containing Self-adhesive Resin Cement on Zirconia Restoration
Authors: Go EJ , Shin Y , Park JW 
Published: December 2018

SUMMARY

Objectives:
The purpose of this study was to measure the microshear bond strength (μSBS) of four different self-adhesive resin cements with/without 10-methacryloyloxydecyl dihydrogen phosphate (MDP)-containing primer to zirconium ceramics and to evaluate the effect of zirconia primers on these self-adhesive resin cements (SARCs).

Methods and Materials:
Zirconia blocks (20 × 20 × 8 mm3) were prepared and divided into eight groups (n=20). They were sandblasted (50 μm Al2O3) and treated as follows: no primer or primer (Z-Primer Plus). Four self-adhesive resin cements (MDP-containing: Permacem 2.0 [PC], Clearfil SA luting [CS]; non–MDP-containing: Rely-X U200 [RU], Maxcem Elite [ME]) were bonded to the zirconia surface. After thermocycling, a μSBS test was performed. The failure mode was analyzed using light microscopy. Statistical analysis of μSBS was performed using one-way analysis of variance and two-sample t-test with post hoc Tukey test. The loss rate was evaluated using the Fisher's exact test and χ2 test with post hoc Tukey test (p&lt;0.05).

Results:
Within the no primer groups, the PC and CS groups showed higher bond strength than the RU and ME groups. Comparing the μSBS of the no primer and primer groups in the same SARCs, the RU/P group was higher than the RU group, and the ME/P group was higher than the ME group. No significant difference was observed between the PC and PC/P groups and between the CS and CS/P groups.

Conclusions:
Non–MDP-containing SARC showed the increased bonding value with MDP-containing primer to zirconia ceramics. The bond strength of MDP-containing SARCs was not affected significantly by the use of zirconia primer.
Living Lab services promoting health in the community through participation
Authors: Holopainen Arto , Kämäräinen Pauliina , Kaunisto Merita , Kekäläinen Heli , Metsävainio Kirsimarja 
Published: December 2018

In the time of urban growth, people should be at the heart of development, too often they are forgotten. However, growth poses also a great possibility. Cities can transform into open innovation Living Labs, places to experiment and co-create with creative ideas to improve people’s health and wellbeing.
Open innovation Living Lab is one-step for city towards smart and healthy society. This requires bold political choices, strategic level approach, open-minded governance and new operational models. The City of Kuopio has taken this opportunity into action together with Kuopio University Hospital.
Living Lab operates as an authentic co-creation environment to enable collaboration between citizens, industry, academia and public sector (Quadruple Helix Open Innovation model). This was implemented through primary health care services bringing together community and citizens´ homes for co-creation of new solutions, which helps people, live longer in their homes and increase the quality of life.
The elderly and their close relatives have been enthusiastically involved in the services. Participation opportunities and the feeling of social cohesion have increased. Critical success factors are support from strategic level, well-coordinated services, governance, a broad customer base and solutions made from the genuine need.
Collaboration between all stakeholders has made it possible to provide better products and services that can improve health and wellbeing of the community in all sectors of life. At the same time, it promotes citizens’ participation and supports co-creation of new ideas arising from the community and the growth of healthy city.
Evaluation of sutureless scrotal castration for pediatric and juvenile dogs
Authors: Miller Kirk P. , Rekers Wendi L. , DeTar Lena G. , Blanchette Jacqueline M. , Milovancev Milan 
Published: December 2018

Abstract
OBJECTIVE To determine complication rates associated with sutureless scrotal castration (SLSC) performed in a large number of pediatric and juvenile dogs and investigate whether procedure duration differed from that of traditional prescrotal castration (TPSC).
DESIGN Prospective case series and clinical trial.
ANIMALS 400 shelter-owned dogs that underwent SLSC and 18 shelter-owned dogs that underwent TPSC between 2 and 5 months of age.
PROCEDURES In the first phase of the study, SLSC was performed for 400 dogs, which were monitored for ≥ 24 hours after surgery to identify surgery-related complications such as hemorrhage, signs of pain, self-trauma, swelling, and dermatitis at the incision site. In the second phase, the durations of 18 SLSC and 18 TPSC procedures were measured and compared.
RESULTS No hemorrhage-related complications were identified in any dog during SLSC in the first phase. Complications were all minor and self-limiting and included peri-incisional dermatitis (9/400 [2.3%]), skin bruising (4/400 [1.0%]), and swelling (1/400 [0.3%]). No self-trauma was observed for any dog, nor did any dog require additional analgesic treatment after surgery. Procedure duration was significantly briefer for SLSC (mean ± SD, 1.0 ± 0.2 minutes) than for TPSC (3.5 ± 0.4 minutes).
CONCLUSIONS AND CLINICAL RELEVANCE Results suggested that SLSC as evaluated was safe and significantly faster than TPSC when performed in healthy 2- to 5-month-old dogs. The SLSC technique has the potential to improve morbidity and mortality rates as well as financial costs associated with castration, particularly in high-quality, high-volume spay and neuter programs.
Long-term outcome following surgical and radiation treatment of vertebral angiomatosis in a cat
Authors: Hans Eric C. , Dudley Robert M. , Watson Adam T. , Chalkley Mark , Foss Kari D. , Bancroft Ann , Prescott Deborah M. 
Published: December 2018

Abstract
CASE DESCRIPTION A 2-year-old 5.2-kg (11.4-lb) neutered male domestic shorthair cat was referred because of a 6-week history of progressive paraparesis.
CLINICAL FINDINGS Neurologic examination revealed moderate ambulatory paraparesis with marked spinal hyperesthesia at the thoracolumbar junction. The lesion was localized to the T3-L3 spinal cord segment. Clinicopathologic testing, thoracic radiography, and abdominal ultrasonography revealed no abnormalities to explain the observed clinical signs. Advanced spinal imaging with MRI revealed an extradural right-lateralized mass originating from the L2 vertebral pedicle and causing severe spinal cord compression.
TREATMENT AND OUTCOME Surgical decompression was achieved by performance of a right-sided hemilaminectomy at L2. Histologic examination of biopsy samples obtained from the mass revealed an ill-defined zone of mature vascular proliferation extending through the preexisting vertebral bone, consistent with vertebral angiomatosis. After surgical recovery, adjuvant radiation therapy was initiated with a total dose of 48 Gy administered in 16 fractions of 3 Gy each over a 3-week period. Neurologic function rapidly improved to full ambulation with only minimal monoparesis of the right pelvic limb. Results of neurologic and MRI examination performed 26 months after surgery indicated no change in neurologic status or evidence of recurrence.
CLINICAL RELEVANCE To the authors' knowledge, this report was the first to describe the long-term outcome for vertebral angiomatosis in a cat. Surgical decompression and radiation therapy provided an excellent outcome in this case. Vertebral angiomatosis should be considered as a differential diagnosis for any young cat with thoracolumbar myelopathy secondary to a mass associated with the vertebral pedicle.
Solutions for the automation of operational monitoring activities for agricultural and forestry tasks
Authors: Gallo Raimondo , Carabin Giovanni , Vidoni Renato , Sacco Pasqualina , Mazzetto Fabrizio 
Published: December 2018

Summary
An innovative approach for the automation of operational monitoring activities in agricultural and forestry tasks is described and discussed in this article. This approach can be considered as a solution for Precision Agriculture and Precision Forestry applications and can be used as an information and communication technology (ICT) tool for the management aims by a variety of agricultural and forestry companies. The aim of the proposed concept is to develop a system, composed of both hardware and software units, with the ability to collect and manage operative raw data and then to translate them into operational information that will be used in decision-making processes. All the procedures will be carried out automatically, in order to ensure an objective compilation of the field activity register. Thus, the entrepreneur will have all the operative information automatically updated in a dedicated database system. All the obtained documents can then be used for certification and traceability processes, if required by the procedural guideline, as well as to satisfy any other management tasks, including the estimation of the actual operative costs of the farm.
Occurrence of chemicals with known or suspected endocrine disrupting activity in drinking water, groundwater and surface water, Austria 2017/2018
Authors: Brueller Werner , Inreiter Norbert , Boegl Thomas , Rubasch Martin , Saner Samim , Humer Franko , Moche Wolfgang , Schuhmann Andrea , Hartl Werner , Brezinka Christoph , Wildt Ludwig , Allerberger Franz 
Published: December 2018

Summary
Endocrine disrupting chemicals (EDCs) can cause adverse effects in individuals and their offspring. In 2017 and 2018, we performed a survey on representative samples of Austrian drinking water (n = 20), groundwater (n = 22), and surface water (n = 12), the latter including bathing water (n = 5) and rivers (n = 7). We analyzed 54 samples for 28 parameters, including estrogens, polybrominated diphenylethers (PBDEs), phthalates, perfluoroalkyl substances, alkylphenols, bisphenol A and triclosan, correlating to 1512 measurements. In 39 of the 54 samples (72.2%), at least one endocrine disrupting or potentially disrupting chemical was found at or above the limit of quantification. None of the samples yielded estrogens or triclosan in detectable levels. Bisphenol A (BPA) was detected in 4 (20.0%) samples of drinking water, in 1 (4.5%) groundwater sample, and in 1 (20%) bathing water sample, with a maximum concentration of 0.021 μg/l found in one drinking water. Two drinking water samples yielded BPA in concentrations above the limit value of 0.01 μg/l, recently proposed by the European Commission for drinking water. Therefore, the ultimate public health goal must be to further reduce and restrict the production of EDCs and therewith decrease and eventually eliminate the contamination of drinking water resources.
Heat rectification in He II counterflow in radial geometries
Authors: Saluto Lidia , Jou David , Mongiovì Maria Stella 
Published: December 2018

Abstract
We consider heat rectification in radial flows of turbulent helium II, where heat flux is not described by Fourier's law, but by a more general law. This is different from previous analyses of heat rectification, based on such law. In our simplified analysis we show that the coupling between heat flux and the gradient of vortex line density plays a decisive role in such rectification. Such rectification will be low at low and high values of the heat rate, but it may exhibit a very high value at an intermediate value of the heat rate. In particular, for a given range of values for the incoming heat ow, the outgoing heat flow corresponding to the exchange of internal and external temperatures would be very small. This would imply difficulties in heat removal in a given range of temperature gradients.
Numerical Study of Flow-Induced Vibrations of Multiple Flexibly-Mounted Cylinders in Triangular Array
Authors: Upnere S. 
Published: December 2018

Abstract
The paper presents the numerical study of vibrating multiple flexibly-mounted cylinders in a triangular rod bundle. Behavioural trends of six different clusters of oscillating rods have been analysed. The influence of neighbour cylinders on the central cylinder oscillation characteristics is analysed. Finite volume solver of open source computational fluid dynamics is used to calculate the fluid flow in the channel with the cylinder array. Built-in six degree-of-freedoms solver is utilised to simulate cylinder movement. Oscillating cylinders have two degrees-of-freedom. The obtained results are compared with numerical results available in the literature.
Full-scale Test of an Unreinforced Concrete Dome Plug for the Spent Nuclear Fuel Repository
Authors: Malm Richard 
Published: December 2018

Abstract
In the planned Swedish repository for spent nuclear fuel, plugs are designed to close the deposition tunnels. The outer part of these plugs consists of a concrete dome made with self-compacting-concrete, designed to have low pH to reduce negative effects on the bentonite clay buffer. A full-scale test has been performed to evaluate the performance of the plug, to test the installation and to verify underlying design assumptions. In this paper, the behaviour of the concrete dome is evaluated based on measurements, from casting the concrete until it was subjected to 4 MPa hydrostatic water pressure.
Dynamic Measurements for Determining Poisson’s Ratio of Young Concrete
Authors: Ahmed Lamis 
Published: December 2018

Abstract
Knowledge of the elastic properties of concrete at early age is often a pre-requisite for numerical calculations. This paper discusses the use of a laboratory technique for determining Poisson’s ratio at early concrete age. A non-destructive test set-up using the impact resonance method has been tested and evaluated. With the method, it has been possible to obtain results already at 7 hours of concrete age. Poisson’s ratio is found to decrease sharply during the first 24 hours to reach a value of 0.08 and then increase to approximately 0.15 after seven days.
Filler and Water Reducer Effects on Sedimentation, Bleeding and Zeta-Potential of Cement Paste
Authors: Peng Ya , Pedersen Bård , Ng Serina , de Weerdt Klaartje , Jacobsen Stefan 
Published: December 2018

Abstract
Bleeding and sedimentation quantify the stability of fresh cement paste, whereas the addition of fillers and water reducers affect the stability. The effect of various types of fillers and water reducers was investigated by measuring bleeding, hydrostatic pressure and electroacoustic zeta-potential. Depending on their characteristics and use, fillers can improve stability by reducing sedimentation rate and bleeding. The combined effects of fillers and water reducers on the sedimentation rates, quantified as time-dependent hydrostatic pressure changes (dp/dt) in fresh matrix, correspond to their effects on zeta-potentials. The influence of the water reducers on sedimentation and bleeding exceed that of filler type.
Continuous Preventive Bridge Maintenance of Swedish Municipalities – A Survey on Common Practice
Authors: Andersson Louise , Silfwerbrand Johan , Selander Anders , Trägårdh Jan 
Published: December 2018

Abstract
As part of a report [1] on continuous preventive bridge maintenance, a survey was conducted with Swedish municipalities. The survey’s focus was on bridges and preventive maintenance, as well as the demands and performance control stated by the municipalities. The preventive maintenance the survey focused on was the annual maintenance concerning washing, cleaning of drainage system and removal of vegetation. The survey showed both similarities and differences within the municipalities but also in comparison with Swedish Transport Agency (STA).
Student Apprenticeships of Course-of-Study and Diploma-Related Types as an Element Used for Raising the Professional Competences of Engineers Educated for the Needs of Maritime and Inland Shipping Industry
Authors: Wolnowska Anna E. , Szabrońska Aleksandra , Matuszak Zbigniew , Stopka Ondrej 
Published: December 2018

Abstract
The purpose of the underlying paper is to highlight the significance of specialist and diploma-related apprenticeships at the bachelor degree studies provided by the technical university. The evaluation of the quality of apprenticeships was conducted among the students of the Economy, Engineering and Transport Faculty of the Maritime University of Szczecin (Poland), for the study directions Production Management and Engineering (Polish: ZiP), Logistics (L) and Transport (T). The research methodology was based on questionnaire form, statistical analysis of results reliability and the analysis of literature. The results of the conducted research unequivocally indicated a need to introduce changes to the organisation of the apprenticeships, as this area determines the quality of engineers practical education and influences their professional competences.
Selected Problems of Ship Safety in the Process of Docking
Authors: Kaup Magdalena , Łozowicka Dorota , Blatnický Miroslav 
Published: December 2018

Abstract
This article concerns safety during ship docking operations. It presents its specificity for this type of operation, describes selected problems that may occur during its operation and identifies the main factors initiating extraordinary situations. The article presents 4 examples of accidents during docking operations in recent years. Cause and effect analysis was carried out and presented graphically. This analysis illustrated the occurring errors in the safety system during the docking operation.
Dimensioning of Danger Zones Emerging as a Domino Effect of An Lng Explosion for Industrial Plants Located in the Vicinity of Inland Transport Fairways
Authors: Kalbarczyk-Jedynak Agnieszka , Ślączka Wojciech 
Published: December 2018

Abstract
The development of new technologies, the use and transport of LNG increases the number of investments that may mutually affect their safety on account of a domino effect. It means that a breakdown caused by one of the business entities may contribute to the escalation of a problem through thermal energy emission in another entity. The energy absorbed in an adjacent technological process line may cause irreparable damage despite the security measures employed. When planning an investment of a pioneering nature, one ought to consider not only the modern technologies used in a newly designed installation, but one must also pay attention to the direct neighbourhood of other industrial plants and the planned infrastructure, e.g. for gas transport or transhipment. Such a synergistic approach guarantees the safety of undertaken activities and ensures a stable, breakdown-free operation of all the business entities located in a given area. This paper discusses the issue of mutual influence exerted by two independent entities located within a small distance of one another, i.e. salt processing plant and a vessel transporting an LNG mixture. The authors considered a situation in which a breakdown occurs in an industrial plant and in which the released energy causes damage to a tank shell of an LNG carrying vessel on an inland fairway. In the examined situation the types of risks arising from LNG tank shell damage on-board an inland vessel were defined and the dimensions of the resulting danger zones were determined in a function of concentration of individual LNG components as well as the pressure and temperature generated inside the tank. The shape of the tank was also taken into consideration, since it affects fractioning in the course of the release of the substance accumulated in it. The analysis was conducted on the basis of DNV Phast 7.11 software.