In the name of common sense: ethics, collegiality, and research attitudes.
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Biomedical subjects
Publications and source records attributed to N Katsikeris.
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This article deals with the microbiological aspects of infections, the principles and role of antibiotic use and the general management of the patient suffering from an odontogenic infection. Clinical aspects of the most common presentations will be addressed to understand the organized management of these challenging patients. (Part one appeared in Oral Health, May, 1995).
Traumatic injuries to the midface are not nearly as common in Canada as they are in the United States, but practitioners must still be prepared for the evaluation and treatment of patients presenting with midface fractures. This case report demonstrates the experience one individual who presented with the clinical signs and symptoms of midfacial trauma. Cases of this nature can be confidently managed by an oral and maxillofacial surgeon. A review provides knowledge regarding anatomic features, classification schemes and the diagnostic and therapeutic decisions encountered with the treatment of zygomatic complex fractures. The forward projection of the zygoma causes it to be frequently injured secondarily to blunt trauma of the midface, at the expense of protecting the orbit.
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Liposarcoma of the head and neck region is extremely rare. An additional case of pleomorphic liposarcoma of the buccal mucosa is reported, representing an even rarer combination. The importance of combined radiation and radical surgical therapy as a means of improving survival is emphasized.
The clinical and histopathological features of 224 new cases of peripheral giant cell granuloma were studied. In addition, the data from 956 previously reported cases in the literature were evaluated and compared with the present series. Females were found to be more commonly affected than males. All age groups were found to be affected with a relative predilection from 40 to 60 years of age. The mandible was more often affected than the maxilla. Clinically, the lesions were red in color, had a smooth surface and were rubbery or with a soft consistency. The most characteristic histologic features included a non-encapsulated highly cellular mass with abundant giant cells, inflammation, interstitial hemorrhage, hemosiderin deposits, mature bone or osteoid.
The first case of osteoblastoma of the mandibular condyle is reported. The clinical, radiographic and histologic features of this benign neoplasm are described and the differential diagnosis is discussed.
This paper presents the results of animal studies on the interface between 6 aluminum, 4 vanadium, titanium alloy and bone. 7 New Zealand white rabbits were anaesthetised and a new design of threaded implant inserted into the tibial metaphysis of each leg. 3 further animals had fine lathe turnings inserted in the same site. The animals were sacrificed 7 weeks later and the implants removed together with the surrounding bone. After suitable processing of the specimens, they were subjected to scanning and transmission electron microscope studies. Compact bone was found in close proximity to the surface of the metal. With higher magnifications, the bone was found to be in intimate contact with the metal. There was no suggestion of the presence of cells or uncalcified collagen fibres between the bone and the implant. At the highest magnification, there was the appearance of a homogenous transition from the bone to the metal, suggesting a biological adhesion.
2 cases of oral submucous fibrosis have been reported. In each case, the diagnosis was confirmed histologically, and the treatment instituted was identical. Excision of buccal fibrotic bands was carried out, with subsequent placement of skin grafts. The patients were followed postoperatively to monitor results and particularly, to screen for malignant changes. The literature concerning oral submucous fibrosis is reviewed.
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