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This study aimed to quantify oxidative metabolism in masseter muscle using near-infrared spectroscopy, in particular for denture wearers. Fourteen normal dentate subjects without malocclusion (ND group, 25–50 years) participated in the quantification of oxidative metabolism. Eleven partially edentulous patients without occlusal stops (PD group, 64–80 years)(More)
The aim of this study is to clarify the normal relationship between jaw elevator muscle activity and occlusal contact in lateral positions in order to assess the appropriate anterior guidance of lateral jaw movements for occlusal reconstruction and treatment. The EMG-activity of the right and left masseter, anterior temporal, and posterior temporal muscles(More)
The aim of this study was to investigate the bite force and its distribution over the maxillary dentition in completely dentate subjects. Twenty-three dental students (14 Danish, 9 Japanese) with complete dentitions, but without occlusal contact on the third molars participated and their maximal bite forces were measured using the Dental Prescale System(More)
14 natural dentitioned subjects with no signs of TMJ disorders, aged 19-58, were used in this study. They were divided into three groups according to their occlusal guidance. One is canine guidance group (CG group), the other is group function group (GF group), and the last is group having non-working side contacts (FB group). All subjects were asked to(More)
This study compares a new technique (Dental Prescale System) using pressure-sensitive foils for recording of maximal jaw closing force with a conventional clinical measurement using a miniature force transducer in 17 students. For assessment of load distribution the "pressure" image was superimposed on digitiZed images of dental casts and compared with(More)
The aim of the study was to investigate the effect of ethnicity, gender and age on the degree of clenching force and distribution of the load over the dentition. The maximal clenching force was measured in 12 young Danish females, 12 young Japanese females, 12 young Japanese males and 10 senior Japanese males using the Dental Prescale System. The occlusal(More)
PURPOSE The aim of this study was to compare the masticatory performance, maximum occlusal force, and occlusal contact area of subjects with bilaterally missing molars, treated either with the shortened dental arch (SDA) concept or with distal extension removable partial dentures (RPDs), during a 1-year follow-up. MATERIALS AND METHODS This study included(More)
We have reported that the analysis of the maximal bite force distribution over dentition was available for objective evaluation of prosthodontic treatment. The purpose of this study was to investigate the reproducibility of occlusal force distribution in maximal voluntary clenching. The maximal bite forces of 10 normal subjects with complete dentition were(More)
This study describes a new method to apply bite force measurement as an objective evaluation prosthodontic treatment. The occlusal load centre, i.e. the centre of balance of distributed occlusal force on the dentition is used as an index of bite force. The digitised image of the occlusal load centre was superimposed on the digitised image of a standardised(More)
This study aimed to assess the level of restored occlusal support by removable partial dentures with free-end saddles. The maximal clenching force of 61 subjects was measured using pressure sensitive film with and without their dentures. The restored level of occlusal support was estimated from the shift of the occlusal load centre. In comparison with(More)