[Detection of the irritative effect of industrial substances (author's transl)].
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Biomedical subjects
Publications and source records attributed to E Zschunke.
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Certain dental measures, e. g., the application of a turbine, an ultra-sonic hand-piece or a spray, produce aqueous, polydisperse aerosols which escape from the patient's oral cavity during treatment and contaminate the room air with micro-organisms from the oral microbial flora. An aerobacteriometric model study at a stomatological work place showed that the germ content of the air was significantly higher on days when the turbine was used than on days when it was not used.
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Acceleration of technical development results in growing difficulties to trace allergens. In this respect rare allergens as well as hidden sources of well-known allergens not infrequently cause persistence of allergic dermatitis. Examples are presented for di-ethyl-ester of maleic acid, hydroxylammoniumhydrochloride, N-methyl-p-aminophenol, 2-hydroxy-3-naphtoic acid o-aniside and N-acetoacetyl-benzylamide.
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It is reported on a case of porphyria cutanea tarda. With the exception of a low risk lead exposure during work no etiological factor could be revealed. Body deposits of lead were established by means of Ca-EDTA provocation. After cessation of exposure which was suggested to be the cause the state of health markedly improved. Thus, compensation due to occupational disease was recommended to workers insurance.
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