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Nedelcu Robert G RG Former Resident, Associate Researcher, Department of Dental Medicine, Karolinska Institute, Huddinge, Sweden. Electronic address: - - 2014
Intraoral scanners may use proprietary acquisition and manufacturing processes. However, limited information is available regarding their accuracy, their precision, and the influence that refraction or coating may have on their output. The purpose of the study was to evaluate the scanning accuracy and precision of 4 intraoral scanners and to assess ...
Mao Haojie H Department of Biomedical Engineering, Wayne State University, Detroit, MI, - - 2014
The objective of this study was to create a computer-aided design (CAD) geometric dataset of a 10-year-old (10 YO) child. The study includes two phases of efforts. At Phase One, the 10 YO whole body CAD was developed from component computed tomography and magnetic resonance imaging scans of 12 pediatric subjects. Geometrical ...
Cruciani Gabriele - - 2014
FMO enzymes (FMOs) play a key role in the processes of detoxification and/or bio-activation of specific pharmaceuticals and xenobiotics bearing nucleophilic centers. The N-oxide and S-oxide metabolites produced by FMOs are often active metabolites. The FMOs are more active than cytochromes in the brain, and work in tandem with CYP3A4 ...
Zhao Qian Q The Chinese University of Hong Kong, Shatin, Hong Kong; Johns Hopkins University (JHU), Baltimore, MD 21218, USA. Electronic address: - - 2014
We present a general framework for analysis of wireless capsule endoscopy (CE) studies. The current available workstations provide a time-consuming and labor-intense work-flow for clinicians which requires the inspection of the full-length video. The development of a computer-aided diagnosis (CAD) CE workstation will have a great potential to reduce the ...
Shqaidef Abedalrahman A Orthodontic Postgraduate Student, Glasgow Dental School, School of Medicine, College of Medical, Veterinary and Life Sciences, University of Glasgow, - - 2014
Computer packages have been introduced to simulate the movements of the jaw in three dimensions to facilitate planning of treatment. After final 3-dimensional virtual planning, a rapid prototype wafer can be manufactured and used in theatre. Our aim was to assess the accuracy of rapid prototyping of virtual wafers derived ...
Seo Yong-Joon YJ Department of Prosthodontics, Seoul National University School of Dentistry, Seoul, Republic of - - 2014
The purpose of this study was to evaluate the intra-rater reliability and inter-rater reliability of three different methods using a drawing protractor, a digital protractor after tracing, and a CAD system. Twenty-four artificial abutments that had been prepared by dental students were used in this study. Three dental students measured ...
Huhdanpaa Hannu T HT Department of Radiology, University of Southern California, 1500 San Pablo Street, Second Floor Imaging, Los Angeles, CA, 90033, USA, - - 2014
There are distinct morphologic features of cirrhosis on CT examinations; however, such impressions may be subtle or subjective. The purpose of this study is to build a computer-aided diagnosis (CAD) method to help radiologists with this diagnosis. One hundred sixty-seven abdominal CT examinations were randomly divided into training (n = 88) and ...
Quinn G D GD Volpe Research Center, American Dental Association Foundation, Stop 854-6, NIST, Gaithersburg, MD 29899, United States. Electronic address: - - 2014
The edge chipping resistances of six CAD/CAM dental restoration materials are analyzed and correlated to other mechanical properties. A new quadratic relationship that is based on a phenomenological model is presented. The purpose of this study was to further analyze the edge chipping resistance of the brittle materials evaluated in ...
Kim Tae-Joon TJ KAIST (Korea Advanced Institute of Science and Technology), - - 2014
We propose several interactive global illumination techniques for a diverse set of massive models. We integrate these techniques within a progressive rendering framework that aims to achieve both a high rendering throughput and an interactive responsiveness. To achieve a high rendering throughput, we utilize heterogeneous computing resources consisting of CPU ...
Keul Christine C Department of Prosthodontics, Dental School, Ludwig-Maximilians University Munich, Goethestrasse 70, 80336 Munich, Germany. Electronic address: - - 2014
To analyse the marginal fit of 4-unit fixed dental prostheses (FDPs) and the accuracy of three-dimensional cast-datasets using both approaches to Computer Aided Design (CAD)/Computer Aided Manufacturing (CAM): direct and indirect digitalization. A titanium model of a 4-unit FDP was digitized by an intraoral scanning device (iTero, Align Technology, Carlstadt, ...
Lee Wan-Sun WS Department of Health Science, Graduate School, Korea University, Seoul, Republic of - - 2014
This study aimed to investigate the potential clinical application of digitized silicone rubber impressions by comparing the accuracy of zirconia 3-unit fixed partial dentures (FPDs) fabricated from 2 types of data (working model and impression) obtained from a laser scanner. Ten working models and impressions were prepared with epoxy resin ...
Dorafshar Amir H AH Assistant Professor, Division of Plastic and Reconstructive Surgery, R Adams Cowley Shock Trauma Center, University of Maryland Medical Center, Baltimore, MD. Electronic address: - - 2014
Full facial osteomyocutaneous transplantation requires correct 3-dimensional (3D) alignment of donor osseous structures to a new cranial base with minimal reference points and 6 degrees of potential movement. We investigated whether computer-assisted design and manufacturing (CAD/CAM) could enable accurate placement of the facial skeleton. A prospective single-cohort study of Le ...
Bukontaite Rasa - - 2014
Aciliini presently includes 69 species of medium-sized water beetles distributed on all continents except Antarctica. The pattern of distribution with several genera confined to different continents of the Southern Hemisphere raises the yet untested hypothesis of a Gondwana vicariance origin. The monophyly of Aciliini has been questioned with regard to ...
Okumura Eiichiro E Department of Medical Radiological Technology, Kagoshima Medical Technology College, 5417-1, Hirakawa, Kagoshima, 891-0133, Japan, - - 2014
We have been developing a computer-aided detection (CAD) scheme for pneumoconiosis based on a rule-based plus artificial neural network (ANN) analysis of power spectra. In this study, we have developed three enhancement methods for the abnormal patterns to reduce false-positive and false-negative values. The image database consisted of 2 normal ...
Kwon Soon-Yong SY Department of Orthodontics, School of Dentistry, Kyung Hee University, No. 1 Hoegi-dong, Dongdaemun-gu, Seoul 130-701, Republic of - - 2014
The availability of 3D dental model scanning technology, combined with the ability to register CBCT data with digital models, has enabled the fabrication of orthognathic surgical CAD/CAM designed splints, customized brackets, and indirect bonding systems. In this study, custom lingual orthodontic appliances were virtually designed by merging 3D model images ...
Gálvez Akemi A Department of Applied Mathematics and Computational Sciences, E.T.S.I. Caminos, Canales y Puertos, University of Cantabria, Avenida de los Castros s/n, 39005 Santander, - - 2014
The problem of data fitting is very important in many theoretical and applied fields. In this paper, we consider the problem of optimizing a weighted Bayesian energy functional for data fitting by using global-support approximating curves. By global-support curves we mean curves expressed as a linear combination of basis functions ...
Cao Peng P College of Information Science and Engineering, Northeastern University, Shenyang, China; Key Laboratory of Medical Image Computing of Ministry of Education, Northeastern University, Shenyang, China; Computing Science, University of Alberta, Edmonton, Alberta, Canada. Electronic address: - - 2013
Classification plays a critical role in false positive reduction (FPR) in lung nodule computer aided detection (CAD). The difficulty of FPR lies in the variation of the appearances of the nodules, and the imbalance distribution between the nodule and non-nodule class. Moreover, the presence of inherent complex structures in data ...
Cullati Stéphane S Swiss National Center of Competence for Research LIVES - Overcoming Vulnerability: Life Course Perspectives, Institute of Demographic and Life Course Studies, University of Geneva, Switzerland. Electronic address: - - 2014
In Western societies, self-rated health (SRH) inequalities have increased over the past decades. Longitudinal studies suggest that the SRH trajectories of disadvantaged populations are declining at a faster rate than those of advantaged populations, resulting in an accumulation of (dis)advantages over the life course, as postulated by the Cumulative Advantage/Disadvantage ...
Huotilainen Eero - - 2013
The process of fabricating physical medical skull models requires many steps, each of which is a potential source of geometric error. The aim of this study was to demonstrate inaccuracies and differences caused by DICOM to STL conversion in additively manufactured medical skull models. Three different institutes were requested to ...
Sćepanović Miodrag M Clinic for Dental Prosthetics, Faculty of Dental Medicine, University of Belgrade, Belgrade, Serbia. - - 2013
Retentive force of removable partial denture (RPD) directly depends on elastic force of stretched retentive clasp arms (RCAs). During deflection RCA must have even stress distribution. Safety factor is the concept which can be applied in estimating durability and functionality of RCAs. This study was based on analyzing properties of ...
Marron Mendes V - - 2013
Facial palsy is often characterised by a severe dysfunction of the eyelids, leading to corneal ulceration and even blindness. A precise evaluation of the exposed ocular surface is very important in order to estimate the risks of these ocular symptoms. In the literature, most authors use a comparison between the ...
Holberg Christof - - 2013
In the present study, lithium-disilicate ceramic inlays should be analyzed biomechanically according to their thickness and dimension, and it should be clarified as to whether there is a significant relationship between the inlay volume and the induced tensile stress level. Using a new parametric CAD modeling procedure, 27 lithium-disilicate ceramic ...
Lorenzen Nina Dyrberg - - 2013
The stability of implants is vital to ensure a long-term survival. RSA determines micro-motions of implants as a predictor of early implant failure. RSA can be performed as a marker- or model-based analysis. So far, CAD and RE model-based RSA have not been validated for use in hip resurfacing arthroplasty ...
Laxhammar Rikard - - 2013
Detection of anomalous trajectories is an important problem in the surveillance domain. Various algorithms based on learning of normal trajectory patterns have been proposed for this problem. Yet, these algorithms typically suffer from one or more limitations: They are not designed for sequential analysis of incomplete trajectories or online learning ...
Najafi Mahdi - - 2013
The World Health Organization Quality of Life Questionnaire (WHOQOL)-BREF is one of the most known general questionnaires for assessment of quality of life (QOL) in both healthy populations and in various diseases subgroups. The aim of the present study was to examine the construct validity of this questionnaire in patients ...
Kiuchi Takahiro - - 2013
We have developed a new database system for forensic autopsies, called the Legal Medicine Information System, using the Clinical Data Interchange Standards Consortium (CDISC) Operational Data Model (ODM). This system comprises two subsystems, namely the Institutional Database System (IDS) located in each institute and containing personal information, and the Central ...
Tan Maxine - - 2013
In the field of computer-aided detection (CAD) systems for lung nodules in computed tomography (CT) scans, many image features are presented and many artificial neural network (ANN) classifiers with various structural topologies are analyzed; frequently, the classifier topologies are selected by trial-and-error experiments. To avoid these trial and error approaches, ...
Kim Tae-Joon - - 2013
We propose several interactive global illumination techniques for a diverse set of massive models. We integrate these techniques within a progressive rendering framework that aims to achieve both a high rendering throughput and an interactive responsiveness. In order to achieve a high rendering throughput, we utilize heterogeneous computing resources consisting ...
Gu Ming - - 2013
This paper presents a computer aided design (CAD) framework for verification and reliability analysis of protein-silicon hybrid circuits used in biosensors. It is envisioned that similar to integrated circuit (IC) CAD design tools, the proposed framework will be useful for system level optimization of biosensors and for discovery of new ...
Cao Peng - - 2013
The class imbalance issue occurs when training a computer-aided detection (CAD) system for nodules. This imbalance causes poor prediction performance for true nodules. Moreover, the misclassification costs are different between two classes and high sensitivity of true nodules is essential in the detection. In order to eliminate or reduce the ...
Song Bowen - - 2013
   Computer-aided detection and diagnosis (CAD) of colonic polyps always faces the challenge of classifying imbalanced data. In this paper, three new operating point selection strategies based on receiver operating characteristic curve are proposed to address the problem.    Classification on imbalanced data performs inferiorly because of a major reason that the ...
Schrank Elisa - - 2013
Passive-dynamic ankle-foot orthosis (PD-AFO) bending stiffness is a key functional characteristic for achieving enhanced gait function. We previously developed a rapid customization and direct digital manufacturing framework that uses a virtual functional prototyping (VFP) process to achieve function customization of PD-AFOs. VFP is a novel method that harnesses computer aided ...
Meiklejohn Kelly A - - 2013
Currently there are ∼3,000 known species of Sarcophagidae (Diptera), which are classified into 173 genera in three subfamilies. Almost 25% of sarcophagids belong to the genus Sarcophaga (sensu lato) however little is known about the validity of, and relationships between the ∼150 (or more) subgenera of Sarcophaga s.l. In this ...
King-Shier K M - - 2013
BACKGROUND: It is challenging to assist people to attend to risk factors for coronary artery disease (CAD). There is potential for cultural elements associated with place of residence (i.e., urban- or rural-living) to have an effect on peoples' decision-making about managing CAD risk. AIM: To better understand patient's decision-making processes ...
Alizadehsani Roohallah - - 2013
Cardiovascular diseases are very common and are one of the main reasons of death. Being among the major types of these diseases, correct and in-time diagnosis of coronary artery disease (CAD) is very important. Angiography is the most accurate CAD diagnosis method; however, it has many side effects and is ...
Meskin N - - 2013
Recent advances in high-throughput technologies for biological data acquisition have spurred a broad interest in the construction of mathematical models for biological phenomena.The development of such mathematical models relies on the estimation of unknown parameters of the system using the time-course profiles of different metabolites in the system. One of ...
Meskin N - - 2013
Recent advances in high-throughput technologies for biological data acquisition have spurred a broad interest in the construction of mathematical models for biological phenomena. The development of such mathematical models relies on the estimation of unknown parameters of the system using the time-course profiles of different metabolites in the system. One ...
Cho Sung Won - - 2013
BACKGROUND: No anatomical study has been conducted over Asian population to design humeral head prosthesis for the population concerned. This study was done to evaluate the accuracy of commercially available humeral head prosthetic designs, in replicating the humeral head anatomy. METHODS: CT scan data of 48 patients were taken and ...
Stoiber Martin - - 2013
Aim: Transparent hollow models are needed to visualize and quantify flow in various applications. To obtain the final transparent model, an intermediate molding of the fluid space with an easily removable material is required. Currently used materials to produce this intermediate molding have limitations: toxicity, cost, and a tendency to ...
Mazzotta Laura - - 2013
Objectives. To build a 3D parametric model to detect shape and volume of dental roots, from a panoramic radiograph (PAN) of the patient. Materials and Methods. A PAN and a cone beam computed tomography (CBCT) of a patient were acquired. For each tooth, various parameters were considered (coronal and root ...
Reitemeier Bernd - - 2013
Background: The study describes the development and implementation of a digital nose database in order to provide patients with nasal prostheses following rhinectomy. Mirrored data for computer-aided design (CAD) cannot be used due to the unpaired structure of the nose. Materials and Methods: The faces of 202 people were digitized ...
Sanchez-Lite Alberto - - 2013
Musculoskeletal disorders (MSDs) that result from poor ergonomic design are one of the occupational disorders of greatest concern in the industrial sector. A key advantage in the primary design phase is to focus on a method of assessment that detects and evaluates the potential risks experienced by the operative when ...
Kung Woon-Man - - 2013
Difficulty exists in scalp adaptation for cranioplasty with customized computer-assisted design/manufacturing (CAD/CAM) implant in situations of excessive wound tension and sub-cranioplasty dead space. To solve this clinical problem, the CAD/CAM technique should include algorithms to reconstruct a depressed contour to cover the skull defect. Satisfactory CAM-derived alloplastic implants are based ...
Gálvez Akemi A Department of Applied Mathematics and Computational Sciences, E.T.S.I. Caminos, Canales y Puertos, University of Cantabria, Avenida de los Castros s/n, 39005 Santander, - - 2013
Fitting spline curves to data points is a very important issue in many applied fields. It is also challenging, because these curves typically depend on many continuous variables in a highly interrelated nonlinear way. In general, it is not possible to compute these parameters analytically, so the problem is formulated ...
Vangala Rajani Kanth RK Department of Tata Proteomics and Coagulation, Thrombosis Research Institute, Narayana Hrudayalaya Hospital, Bangalore, Karnataka, India ; Elizabeth and Emmanuel Kaye Bioinformatics and Biostatistics Department, Thrombosis Research Institute, Narayana Hrudayalaya Hospital, Bangalore, Karnataka, - - 2013
Multi-marker approaches for risk prediction in coronary artery disease (CAD) have been inconsistent due to biased selection of specific know biomarkers. We have assessed the global proteome of CAD-affected and unaffected subjects, and developed a pathway network model for elucidating the mechanism and risk prediction for CAD. A total of ...
Plant Jon D - - 2012
Background -  The third iteration of the Canine Atopic Dermatitis Extent and Severity Index (CADESI-03) is the only tool rigorously validated for canine atopic dermatitis (CAD) lesion scoring. The CADESI-03 requires 248 evaluations, limiting its widespread use. Hypothesis/Objectives -  The goal of the study was to develop and validate a ...
Narayanan C M - - 2012
Alhough thermal sterilisation is a widely employed industrial process, little work is reported in the available literature including patents on the mathematical analysis and simulation of these processes. In the present work,  software packages have been developed for computer aided optimum design of thermal sterilisation processes. Systems involving steam sparging, ...
Martorelli Massimo - - 2012
OBJECTIVES: Aim of the research is to compare the orthodontic appliances fabricated by using rapid prototyping (RP) systems, in particular 3D printers, with those manufactured by using computer numerical control (CNC) milling machines. 3D printing is today a well-accepted technology to fabricate orthodontic aligners by using the thermoforming process, instead ...
Salles Andre S - - 2012
Abstract The aim of the study was to evaluate the short and medium term use of personalised insoles, produced by combining additive manufacturing (AM) with three-dimensional (3-D) foot scanning and computer aided design (CAD) systems. For that, 38 runners (19 pairings) were recruited. The experimental conditions were: personalised and control. ...
Desbiens-Blais Frederique - - 2012
BACKGROUND: A numerical based brace design platform, including biomechanical simulation, Computer Aided Design and Computer Aided Manufacturing (CAD/CAM) was developed to rationalize braces for the treatment of adolescent idiopathic scoliosis. The objective of this study was to test the feasibility of the approach and assess the effectiveness of braces issued ...
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