Roelof Jonkman

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To assist in the design and understanding of future global networks, this paper describes the practical and simulation experiences gained from a TCP/IP on ATM network over a high speed satellite link and presents performance comparison studies of such networks with the same host/traffic configurations over local area (LAN) and wide area (WAN) networks. It(More)
In a randomized controlled clinical trial, 74 patients who required immediate dentures were randomly treated with immediate overdentures on two lower canines or with immediate complete dentures. Mandibular bone reduction was measured by use of oblique lateral cephalometric radiographs made at baseline and the results compared with those of one year and two(More)
Practical experiments in a wide-area ATM network environment are essential to gain a better understanding of the factors affecting ATM performance. This article summarizes the main lessons learned through the authors' practical experiences with ATM and how these can be applied to performance tuning. In order to achieve maximum performance from an ATM WAN,(More)
The aim of this study was to test the accuracy of a setup for measuring alveolar ridge reduction of totally edentulous mandibles and of mandibles with abutment teeth for overdentures, on oblique lateral cephalometric radiographs. For that purpose, a cephalostat was modified so that the patient's head--in particular the mandible--could be fixed in a(More)
The aim of this study was to evaluate denture satisfaction over a 1 year period after extraction of the last teeth. Seventy-four patients who required immediate denture therapy in the mandible were randomly treated, (1) with complete immediate dentures (22); (2) with immediate overdentures on two lower canines without attachments (26); or (3) with immediate(More)
Simulation and practical experiments in a satellite network environment assist in the design and understanding of future global networks. This paper describes the practical and simulation experiences gained from a TCP/IP on ATM network over a high speed satellite link and presents performance comparison studies of such networks with the same host/tra c con(More)
OBJECTIVES The purpose of the study was to investigate denture satisfaction related to treatment modality, age, gender, denture quality, chewing ability, denture experience and patients' attitude towards denture wearing. METHODS In a randomized controlled clinical trial 74 patients who required immediate denture therapy were treated either with complete(More)
Experiments in Asynchronous Transfer Mode (ATM) wide area network (WAN) environments are discussed in this work. The lessons learned through practical experiences with ATM systems and how these can be applied to improving performance are presented. Factors ranging from the transport protocol to the equipment used and the network conditions are considered.(More)
In a randomized controlled clinical trial 74 patients who required immediate dentures were randomly treated with immediate overdentures on 2 lower canines or immediate complete dentures. Mandibular bone reduction was measured using oblique lateral cephalometric radiographs made at base-line and the results compared with those of one year and two years after(More)
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