Biomedical subjects
Publications and source records attributed to I V Wagner.
The concept of a decision-support oriented, interactive, multimedia technique-based dental workstation is presented from the viewpoint of improved quality assurance. Special emphasis is given to the modules for handling and interpretation of radiographs.
Information concerning initial pellicle forming (dental cuticle) are possible via contact-angle determination. Not only the type of the restorative material but also its surface processing (structure) influence the initial forming of the pellicle. The higher the surface energy of a material, the more complete and quicker the masking of the surface by the initial pellicle.
Work analyses in dental practices have revealed a need for improvements especially in regard to patient dental record, decision support for diagnosis and therapy and patient recall. An adequate decision support for diagnosis, therapy and prevention requires the use of the most advanced methods of informatics and computer bases interactive multimedia technology as well as of advanced human-computer interface techniques.
Selected material properties of hot and cold polymerized denture basic materials (polymethylmethacrylate) were investigated after different methods of isolation: alginate, tin foil and silicone. Both tin foil and silicone isolation the handling of which is much easier result in a decreased portion of porosities and an increased microhardness in the PMMA.
In the present paper hot and cold polymerized denture basic materials were investigated after isolation by means of alginate, tin foil and silicone. Measurements of roughness and internal stresses after polymerization show that the advantages of a silicone isolation correspond to those of a tin foil isolation, where the clinically important smoothing effect of a silicone isolation is convincing using simple laboratory handling.
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Due to differences in the aetiology, diagnosis, therapy, and prognosis, it is necessary to delimitate the clinic picture of stomatitis prothetica against the syndromes of glossalgia and stomatodynia.
As the conventional diagnostic methods are largely dependent upon the subjective power of judgment, despite the good recognizability of the mucosa which lines the oral cavity, the present day possibilities of extended diagnostics are discussed and commented upon. Neither the ultrasonic diagnostic methods for determining the thickness of the mucosa, nor the cytologic and histologic methods may be considered practice-relevant. But it is of interest that the specialized, lining and masticatory mucosae show specific reactions. The masticatory mucosa which comprises also the rests of the gingiva propria, is as well individually determined, which explains the different responses to mechanical, chemical and bacterial-toxic stimuli. A choice of clinical examples serves to demonstrate that such empirical values may be useful in clinical diagnostics and, thus, that they are of great importance in preparation of prosthetic-therapeutic measures.