Search results for "testing."

The effect of dentine pre-treatment using bioglass and/or polyacrylic acid on the interfacial characteristics of resin-modified glass ionomer cements.

2018

Objective To evaluate the effect of load-cycle aging and/or 6 months artificial saliva (AS) storage on bond durability and interfacial ultramorphology of resin-modified glass ionomer cement (RMGIC) applied to dentine air-abraded using Bioglass 45S5 (BAG) with/without polyacrylic acid (PAA) conditioning.Methods RMGIC (Ionolux, VOCO) was applied onto human dentine specimens prepared with silicon-carbide abrasive paper or air-abraded with BAG with or without the use of PAA conditioning. Half of bonded-teeth were submitted to load cycling (150,000 cycles) and half immersed in deionised water for 24 h. They were cut into matchsticks and submitted immediately to microtensile bond strength (μTBS) …

Validity of Brief Scales for Assessing Transdiagnostic Cognitive Emotion Regulation Strategies in Primary Care Patients With Emotional Disorders

2021

Abstract. Cognitive emotion regulation strategies have been proposed as an explanation for transdiagnostic vulnerability to emotional disorders, which are highly prevalent in the primary care setting. The use of brief psychological instruments to detect cognitive-emotional factors – such as worry, rumination, interpretative and attentional distortions, and metacognitions – could provide valuable clinical data to better guide treatment in primary care. The aim of the present study was to evaluate the psychometric properties of four brief scales derived from the full versions of four assessment instruments (PSWQ, RRS, IACTA, and MCQ-30). The brief scales were completed by 1,250 primary care …

Comparison between different surface treatment methods on shear bond strength of zirconia (in vitro study)

2020

Background To compare the effect of Er:YAG Laser and Air particle abrasion (APA) surface treatments on shear bond strength of Y-TZP to composite resin cuboids in the presence and absence of primer application and salivary contamination. Material and methods Seventy-two cuboidal shaped specimens 7x7x3 were prepared from Y-TZP using CADCAM, cleaned and sintered. Specimens were divided into 2 main groups (n=36) according to surface treatment method; Air particle abrasion (A) and laser (L). Each group was subdivided into 2 subgroups (N = 18) according to surface modification using primer; each subgroup was further divided into 2 subdivisions (N=9) according to the presence of salivary contamina…

High efficiency and clinical relevance of exome sequencing in the daily practice of neurogenetics

2021

ObjectiveTo assess the efficiency and relevance of clinical exome sequencing (cES) as a first-tier or second-tier test for the diagnosis of progressive neurological disorders in the daily practice of Neurology and Genetic Departments.MethodsSixty-seven probands with various progressive neurological disorders (cerebellar ataxias, neuromuscular disorders, spastic paraplegias, movement disorders and individuals with complex phenotypes labelled ‘other’) were recruited over a 4-year period regardless of their age, gender, familial history and clinical framework. Individuals could have had prior genetic tests as long as it was not cES. cES was performed in a proband-only (60/67) or trio (7/67) st…

A measurement scale for product innovation performance

2006

PurposeThe purpose of this paper is to report the results of a study aimed at conceptualising and developing valid measurements for two key dimensions of product innovation performance‐efficacy and efficiency – in the context of firm competition.Design/methodology/approachData were collected from French biotechnology firms. Using structural equations modeling, the constructs’ measurement models were tested and the scale was validated.FindingsThe results of the study indicate that the operational measures developed here satisfy the criteria for unidimensionality, reliability, and validity.Research limitations/implicationsThis study contributes to innovation management research by providing a…

Programmatūras testēšana un trasējamība

2005

Cytotoxicity and induction of DNA double-strand breaks by components leached from dental composites in primary human gingival fibroblasts

2012

Abstract Introduction The public interest steadily increases in the biological adverse effects caused by components released from resin-based dental restorations. Objective In this study, the cytotoxicity and the genotoxicity were investigated of following released components from dental resin restorations in human gingival fibroblasts (HGF): tetraethyleneglycol dimethacrylate (TEEGDMA), neopentylglycol dimethacrylate (Neopen), diphenyliodoniumchloride (DPIC), triphenyl-stibane (TPSB) and triphenylphosphane (TPP). Methods XTT based cell viability assay was used for cytotoxicity screening of substances. γ-H2AX assay was used for genotoxicity screening. In the γ-H2AX assay, HGFs were exposed …

Quantum Algorithm for Distribution-Free Junta Testing

2019

Inspired by a recent classical distribution-free junta tester by Chen, Liu, Serverdio, Sheng, and Xie (STOC’18), we construct a quantum tester for the same problem with complexity \(O(k/\varepsilon )\), which constitutes a quadratic improvement.

Quantum Dual Adversary for Hidden Subgroups and Beyond

2019

An explicit quantum dual adversary for the S-isomorphism problem is constructed. As a consequence, this gives an alternative proof that the query complexity of the dihedral hidden subgroup problem is polynomial.

Quantum Property Testing for Bounded-Degree Graphs

2011

We study quantum algorithms for testing bipartiteness and expansion of bounded-degree graphs. We give quantum algorithms that solve these problems in time O(N^(1/3)), beating the Omega(sqrt(N)) classical lower bound. For testing expansion, we also prove an Omega(N^(1/4)) quantum query lower bound, thus ruling out the possibility of an exponential quantum speedup. Our quantum algorithms follow from a combination of classical property testing techniques due to Goldreich and Ron, derandomization, and the quantum algorithm for element distinctness. The quantum lower bound is obtained by the polynomial method, using novel algebraic techniques and combinatorial analysis to accommodate the graph s…