Geraets, WG, Verheij, JGC, Van Der Stelt, PF, Horner, K, Lindh, C, Nicopoulou-Karayianni, K, ...
OBJECTIVES: A previous study showed that the trabecular pattern on dental radiographs correlates with femoral and spinal bone mineral density (BMD). The objective of this study was to determine if...
Lindh, C, Horner, K, Jonasson, G, Olsson, P, Rohlin, M, Jacobs, R, ...
OBJECTIVE: The objective of this study was to investigate the diagnostic accuracy of visual assessment of the trabecular pattern in intraoral periapical radiographs to identify female subjects at...
Osteoporosis detection using intraoral densitometry (2008)
Nackaerts, O, Jacobs, R, Devlin, H, Pavitt, S, Bleyen, E, Yan, B, ...
OBJECTIVES: To determine the diagnostic accuracy of mandibular and maxillary bone density in detecting osteoporosis using receiver operating characteristic (ROC) analysis. METHODS: 671 women between...
The role of the dental surgeon in detecting osteoporosis: the OSTEODENT study. (2008)
Devlin, H, Allen, P, Graham, J, Jacobs, R, Nicopoulou-Karayianni, K, Lindh, C, ...
OBJECTIVE: To determine if thinning (
A. Freedy, J. Mcdonough, R. Jacobs, E. Freedy, S. Thayer, G. Weltman, ...
Military forces of the future will use mixed manned and unmanned forces for a broad variety of functions. Measurement of overall effectiveness in these mixed initiative systems will be essential in...
Lindh, C., Horner, K., Jonasson, G., Olsson, P., Rohlin, M., Jacobs, R., ...
Objective The objective of this study was to investigate the diagnostic accuracy of visual assessment of the trabecular pattern in intraoral periapical radiographs to identify female subjects at risk...
Osteoporosis detection using intraoral densitometry (2008)
Nackaerts, O., Jacobs, R., Devlin, H., Pavitt, S., Bleyen, E., Yan, B., ...
Objectives: To determine the diagnostic accuracy of mandibular and maxillary bone density in detecting osteoporosis using receiver operating characteristic (ROC) analysis. Methods: 671 women between...
Loubele, M., Maes, F., Jacobs, R., Van Steenberghe, D., White, S. C., Suetens, P.
The image quality of four cone-beam computed tomography (CBCT) scanners dedicated for dentomaxillofacial imaging and one multi-slice computed tomgoraphy (MSCT) scanner was compared. For the MSCT...
Geraets, W.G.M., Verheij, J.G.C., Horner, K., Lindh, C., Nicopoulou-Karayianni, K., ...
Objectives: A previous study showed that the trabecular pattern on dental radiographs correlates with femoral and spinal bone mineral density (BMD). The objective of this study was to determine if...
The role of the dental surgeon in detecting osteoporosis: the OSTEODENT study (2008)
Devlin, H., Allen, P., Graham, J., Jacobs, R., Nicopoulou-Karayianni, K., Lindh, C., ...
Objective: To determine if thinning (
Diagnosing osteoporosis by using dental panoramic radiographs: the OSTEODENT project. (2007)
Lindh, C, Devlin, H, Karayianni, K, Mitsea, A, Jacobs, R, ...
School of Dentistry, University of Manchester, Manchester, England. hugh.devlin@manchester.ac.uk OBJECTIVES: Measurement of cortical thickness and subjective assessment of cortical porosity on...
Lindh, C, Geraets, WG, Verheij, JG, Van Der Stelt, PF, Horner, K, Nicopoulou-Karayianni, K, ...
Department of Oral and Maxillofacial Radiology, Academic Centre for Dentistry Amsterdam, Amsterdam, The Netherlands. w.geraets@acta.nl OBJECTIVES: Dental radiographs are relatively inexpensive and...
A. Swinnen, S. Vanhuffel, K. Van Loven, R. Jacobs
Abstract—The very weak and noisy trigeminal somatosensory evoked potentials (TSEPs) are considered, which are evoked by electrical stimulation of an endosseous oral implant. The aim is to make the...
Lindh, C, Allen, PD, Graham, J, Farnell, DJ, Harrison, EJ, Jacobs, R, ...
Division of Imaging Science and Biomedical Engineering, University of Manchester, Manchester M13 9PL, UK. philip.allen@manchester.ac.uk We describe a novel method of estimating reduced bone mineral...
Bone density measurements in intra-oral radiographs. (2007)
Lindh, C, Nackaerts, O, Jacobs, R, Horner, K, Zhao, F, Karayianni, K, ...
Oral Imaging Center, Department of Dentistry, Faculty of Medicine, KU Leuven, Kapucijnenvoer 7, 3000, Leuven, Belgium. Jaw bone density measurements are applicable in many clinical situations to...
Lindh, C, Horner, K, Karayianni, K, Mitsea, A, Berkas, L, Mastoris, M, ...
School of Dentistry, University of Manchester, Manchester, UK. keith.horner@manchester.ac.uk The aim of this study was to measure the accuracy of porosity of the mandibular cortex on dental panoramic...
Prediction of bone mineral density with dental radiographs. (2007)
Lindh, C, Geraets, WG, Verheij, JG, Van Der Stelt, PF, Horner, K, Nicopoulou-Karayianni, K, ...
Academic Centre for Dentistry Amsterdam (ACTA), Department of Oral and Maxillofacial Radiology, Louwesweg 1, 1066 EA Amsterdam, The Netherlands. W.Geraets@acta.nl There is consensus to use the bone...
Automated osteoporosis risk assessment by dentists: a new pathway to diagnosis. (2007)
Lindh, C, Devlin, H, Allen, PD, Graham, J, Jacobs, R, Karayianni, K, ...
School of Dentistry, University Dental Hospital, Higher Cambridge Street, Manchester, M15 6FH, UK. Hugh.Devlin@manchester.ac.uk General dental practitioners use a vast amount of panoramic radiography...
Lindh, C, Karayianni, K, Horner, K, Mitsea, A, Berkas, L, Mastoris, M, ...
Clinical questionnaires and dental radiographic findings have both been suggested as methods of identifying women at risk of having osteoporosis and who might benefit from bone densitometry. The aim...
Al-Rawi, W.T., Jacobs, R., Hassan, B.A., Sanderink, G., Scarfe, W.C.
Objectives: To evaluate the effectiveness of a web-based instruction in the interpretation of anatomy in images acquired with maxillofacial cone beam CT (CBCT). Methods: An interactive web-based...
Automated osteoporosis risk assessment by dentists: A new pathway to diagnosis (2006)
Lindh, C, Devlin, H, Allen, PD, Graham, J, Jacobs, R, Karayianni, K, ...
General dental practitioners use a vast amount of panoramic radiography in their routine clinical work, but valuable information about patients' osteoporotic status is not collected. There are many...
Jacobs, R., Martin, S., Goddard, M., Gravelle, H., Smith, P.
Objectives: A basic tenet of effective performance management is that decision makers should be held responsible only for aspects of performance over which they have control. We examine the degree to...
'Ere be dragons: heartfelt gaming. (2006)
Boyd Davis, Stephen, Jacobs, R., Moar, Magnus, Watkins, M.
This article (Boyd Davis principal author, project director) discusses issues arising from the development of a unique location-aware game using live bio-sensing, funded by Wellcome Trust and...
'Ere be dragons: heartfelt gaming. (2006)
Boyd Davis, Stephen, Jacobs, R., Moar, Magnus, Watkins, M.
This article (Boyd Davis principal author, project director) discusses issues arising from the development of a unique location-aware game using live bio-sensing, funded by Wellcome Trust and...
Accuracy and precision of a densitometric tool for jaw bone (2006)
Lindh, C, Nackaerts, O, Jacobs, R, Pillen, M, Engelen, L, Gijbels, F, ...
OBJECTIVES: To develop a digital densitometric tool for jaw bone to analyse intraoral radiographs. To assess precision and accuracy for this tool and determine the minimal detection threshold for...
Tooth loss and osteoporosis (2006)
Lindh, C, Karayanni, K, Horner, K, Tzoutzoukos, P, Mitsea, A, Karayiannis, A, ...
Objectives: To test the relationship between the number of existing teeth (3rd molars and impacted teeth excluded) and the Bone Mineral Density (BMD). Methods: The study entailed perimenopausal and...
Lindh, C, Graham, J, Allen, P, Horner, K, Jacobs, R, Karayianni, K, ...
Objectives: To develop image analysis software that can robustly and accurately measure the width of the inferior mandibular cortex on dental panoramic radiographs as an indicator of reduced bone...
Trabecular pattern in intraoral radiographs as a sign of osteoporosis: the OSTEODENT study (2006)
Lindh, C, Olsson, P, Rohlin, Madeleine, Jonasson, G, Devlin, H, Jacobs, R, ...
Objectives: The aim of this study was to investigate if the trabecular pattern in intraoral radiographs, assessed by five observers, could serve as an indicator of osteoporosis. Methods: Six hundred...
Lindh, C, Karayianni, K, Horner, K, Mitsea, A, Mastoris, M, Berkas, L, ...
Objectives: To determine the diagnostic validity of the width of the inferior mandibular cortex on dental panoramic radiographs (DPRs), as measured directly by observers, for the diagnosis of...
Mandibular cortical index for osteoporosis diagnosis: the OSTEODENT project (2006)
Lindh, C, Karayianni, K, Horner, K, Tsiklakis, K, Mitsea, A, Mastoris, M, ...
Objectives: to determine the diagnostic validity of the mandibular cortical index (MCI) for the diagnosis of osteoporosis in peri- and post-menopausal women. Methods: Volunteer female subjects in the...
Lindh, C, Nackaerts, O, Jacobs, R, Devlin, H, Karayianni, K, ...
Objectives: To determine the diagnostic validity of mandibular and maxillary bone density, measured between the premolars (mm Aleq) in detecting osteoporosis at the hip or lumbar spine. Methods:...
Lindh, C, Gereats, W, Verheij, JC, Horner, K, Pavitt, S, ...
Objectives: To determine the diagnostic validity of computer aided analysis of the radiographic trabecular pattern as a predictor of BMD-values of peri- and post-menopausal women to support the...
Lindh, C, Devlin, H, Allen, D, Graham, J, Jacobs, R, Karayianni, K, ...
1School of Dentistry and 2Imaging Science and Biomedical Engineering, The University of Manchester, United Kingdom 3School of Dentistry, Oral Pathology and Maxillofacial Surgery, Oral Imaging Centre,...
Lindh, C, Horner, K, Allen, D, Graham, J, Jacobs, R, Karayianni, K, ...
Objectives: To determine the diagnostic validity of the width of the inferior mandibular cortex on dental panoramic radiographs (DPRs), as measured by an Active Shape Model (ASM) method in...
Jacobs, R., Goddard, M., Smith, P.C.
A composite indicator is an aggregated index comprising individual performance indicators. Composite indicators integrate a large amount of information in a format that is easily understood and are...
'Ere be dragons: heart and health. (2006)
Moar, Magnus, Boyd Davis, Stephen, Jacobs, R., Watkins, M.
This full paper describes a project which developed the first pervasive game to successfully integrate gameplay with feedback about the player's heart rate. It was presented at the International...
'Ere be dragons: heart and health. (2006)
Moar, Magnus, Boyd Davis, Stephen, Jacobs, R., Watkins, M.
This full paper describes a project which developed the first pervasive game to successfully integrate gameplay with feedback about the player's heart rate. It was presented at the International...
Lindh, C, Karyanni, K, Graham, J, Horner, K, Devlin, H, Jacobs, R, ...
Objective: Manual measurement of mandibular cortical width has been shown to be significantly correlated with bone mineral density (BMD) at the hip,spine and forearm.These latter sites are...
Loubele, M., Jacobs, R., Maes, F., Schutyser, F., Debaveye, D., Bogaerts, R., ...
The goal of this study was to determine the acquisition parameters for a low-dose multi-slice CT protocol and to compare the effective dose and the image quality of this low-dose protocol with the...
DIGITAL RADIOGRAPHIC EQUIPMENT IN THE BELGIAN DENTAL OFFICE (2006)
Gijbels, F., Debaveye, D., Vanderstappen, M., Jacobs, R.
A survey was performed among Belgian dentists to evaluate the use and management of digital radiographic equipment. The majority of respondents work as general dental practitioners. One out of eight...
How robust are hospital ranks based on composite performance measures? (2005)
Jacobs, R., Goddard, M., Smith, P.C.
BACKGROUND: Composite indices of healthcare performance are an aggregation of underlying individual performance measures. They are increasingly being used to rank healthcare organizations. Although...
The Effect of Budgets on Doctor Behaviour: Evidence from a Natural Experiment (2005)
Dusheikoa, M., Gravellea, H., Jacobs, R., Smith, P.
In many health care systems generalist physicians act as gatekeepers to secondary care. Under the English fundholding scheme from 1991/1992 to 1998/1999 general practices could elect to be given a...
The effect of financial incentives on gatekeeping doctors: evidence from a natural experiment (2005)
Dusheiko, M., Gravelle, H., Jacobs, R., Smith, P.
In many health care systems generalist physicians act as gatekeepers to secondary care. Under the English fundholding scheme from 1991/1992 to 1998/1999 general practices could elect to be given a...
Loubele, M., Jacobs, R., Maes, F., Schutyser, F., Debaveye, D., Bogaerts, R., ...
The goal of this study was to determine the acquisition parameters for a low-dose multi-slice CT protocol and to compare the effective dose and the image quality of this low-dose protocol with the...
Digital radiographic equipment in the Belgian dental office (2005)
Gijbels, F., Debaveye, D., Vanderstappen, M., Jacobs, R.
A survey was performed among Belgian dentists to evaluate the use and management of digital radiographic equipment. The majority of respondents work as general dental practitioners. One out of eight...
Whalley, S.A., Brown, D., Webster, G.J.M., Jacobs, R., Reigna, S., Bertoletti, A., ...
Background & Aims: Acute hepatitis B is a highly dynamic human viral infection during which the hepatitis B virus can generate many genetic variants. Methods: We analyzed the evolution of the...
Whalley, S.A., Brown, D., Webster, G.J.M., Jacobs, R., Reignat, S., Bertoletti, A., ...
Background & Aims: Acute hepatitis B is a highly dynamic human viral infection during which the hepatitis B virus can generate many genetic variants. Methods: We analyzed the evolution of the...
The effect of practice budgets on patient waiting times: allowing for selection bias (2004)
Dusheiko, M., Gravelle, H., Jacobs, R.
Under the UK fundholding scheme, general practices could elect to hold a budget to meet the costs of some types of elective surgery (chargeable admissions) for their patients. It was alleged that...
The effect of practice budgets on patient waiting times: allowing for selection bias (2004)
Dusheiko, M., Gravelle, H., Jacobs, R.
Under the UK fundholding scheme, general practices could elect to hold a budget to meet the costs of some types of elective surgery (chargeable admissions) for their patients. It was alleged that...
Modeling the kinetics of enzymic reactions in mainly solid reaction mixtures (2003)
Halling, P.J., Wilson, S.K., Jacobs, R., McKee, S., Coles, C.W.
There is currently considerable interest in using mainly solid reaction mixtures for enzymic catalysis. In these reactions starting materials dissolve into, and product materials crystalize out of, a...
Modeling the kinetics of enzymic reactions in mainly solid reaction mixtures (2003)
Halling, P.J., Wilson, S.K., Jacobs, R., McKee, S., Coles, C.W.
There is currently considerable interest in using mainly solid reaction mixtures for enzymic catalysis. In these reactions starting materials dissolve into, and product materials crystalize out of, a...
Hospital efficiency targets (2002)
Cost-efficiency targets, used to encourage downward pressure on hospital unit costs, have been employed within the UK NHS for many years. There has been considerable speculation that these targets...
There has been increasing interest in the ability of different methods to rank efficient hospitals over their inefficient counterparts. The UK Department of Health has used three cost indices to...
Jacobs, R., Pawlak, C. R., Mikeska, E., Meyer-Olson, D., Martin, M., Heijnen, C. J., ...
Objective. To study whether patients with rheumatoid arthritis (RA) or systemic lupus erythematosus (SLE) differ from healthy individuals in their immune responses to acute...
R. Jacobs, A. Adriansens, I. Naert, M. Quirynen, R. Hermans, D. Van Steenberghe
ive assessment of the number and sites of implants in the jaws. It is less predictable for the implant size needed and poor for anatomical complications. Keywords: tomography, X-ray computed; dental...
Eersels, L, Smeets, J, Meneve, J, Jacobs, R, ...
Hydrogenated amorphous carbon films were deposited using an r.f. plasma-assisted chemical vapour deposition technique. Plasma parameters such as bias voltage and gas pressure were varied between 50...
Smeets, J., Meneve, J., Jacobs, R., Eersels, L., Dekempeneer, E.
a-Si1-xCx : H films deposited by r.f. plasma-assisted chemical vapour deposition were studied as a function of their composition. The friction and wear properties were investigated with the help of a...
Smeets, J., Meneve, J., Jacobs, R., Eersels, L., Dekempeneer, E.
a-Si1-xCx : H films deposited by r.f. plasma-assisted chemical vapour deposition were studied as a function of their composition. The friction and wear properties were investigated with the help of a...
Jacobs, R., Smeets, J., Meneve, J., Eersels, L., ...
Hydrogenated amorphous diamond-like carbon coatings have been deposited on glass and silicon substrates using an r.f. plasma-assisted chemical vapour deposition process. The mechanical properties of...
Smeets, J., Jacobs, R., Eersels, L., Meneve, J., Dekempeneer, E.
The deposition process of amorphous hydrogenated carbon has been studied using optical emission spectroscopy and self-bias measurements. For a given rf power, a transition between two distinct...
Smeets, J., Jacobs, R., Eersels, L., Meneve, J., Dekempeneer, E.
The deposition process of amorphous hydrogenated carbon has been studied using optical emission spectroscopy and self-bias measurements. For a given rf power, a transition between two distinct...
Dubois, Philippe, Jacobs, R, Jérôme, Robert, Teyssiié, Philippe
Aluminum isopropoxide is an effective initiator for the polymerization of lactides in toluene at 70-degrees-C. The ring-opening polymerization proceeds through a "coordination-insertion" mechanism...
Radiation dose in TMJ-zonography (1991)
COUCKE, M, BOURGOIGNIE, R, Dermaut, Luc, BOURGOIGNIE, K, JACOBS, R
Survey on Natural Radiation in Houses in Belgium (1984)
Uyttenhove, J., Maryns, R., Janssens, A., Vanmarcke, H., Jacobs, R.
The distribution of 100 passive radon alpha track etching detectors and TLD gamma dosemeters in Belgian houses is discussed and the statistics of the inhabitants' answers to a questionnaire are...
Laboratory Measurements of Radon Exhalation and Diffusion (1984)
Poffijn, A., Bourgoignie, R., Marijns, R., Uyttenhove, J., Janssens, A., Jacobs, R.
Results of measurements of the specific activities in a number of building materials used in Belgium and of their radon exhalation rates are presented. The exhalation rates were determined by...
Stereocilia mediate transduction in vertebrate hair cells (1979)
The vertebrate hair cell is a sensory receptor that responds to mechanical stimulation of its hair bundle, which usually consists of numerous large microvilli (stereocilia) and a single true cilium...
LIANG, Xin, Jacobs, R, Martens, W, Hu, Y, ADRIAENSENS, Peter, Quirynen, M, ...
To determine the human anatomic variability of the nasopalatine canal and determine its characteristics using an anatomical, histological and computed tomography (CT) scan evaluation. Materials and...