Arvid Pedersen

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A stereophotographic method for volumetric determination of the extraoral swelling after mandibular third molar removal is developed. The method error was 1.0 cm3. Compared to the size of the maximal swelling after removal of impacted wisdom teeth, this error is considerable. The technique can, however, be improved and furthermore applied to measurements of(More)
Eighteen patients who had symptomatic spondylolysis or Grade-I spondylolisthesis, and whose symptoms had not been relieved by non-operative treatment, were operated on using the Buck method for bone-grafting and internal fixation of the defect of the pars interarticularis with screws. There were six male and twelve female patients and the average age was(More)
A 77-year-old man fell and sustained a fracture-dislocation of the atlantoaxial complex with 20 mm of posterior displacement. Initial and repeat examinations failed to diagnose the fracture-dislocation, which was first diagnosed by a magnetic resonance imaging study 16 weeks after the injury and after the patient had developed a profound myelopathy. The(More)
Wolffish (Anarhichos lupus) larvae were first fed in a low water-level raceway system, with two new types of formulated dry feed diets. Water level in the rearing tank was 1.5 cm. The fish showed a high preference for feeding from the surface. During the first week the fish experienced a drop in dry weights. The highest SGR of 5.8% was obtained between day(More)
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