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FOISONING FROM DIAL PAINTING Frederick B. Flinn, Ph.D. Ass't Prof. Physiology in Industrial Hygiene College of Physicians and Surgeons Columbia University, N.Y.C. Seven girls employed at one time in painting dials with a luminous mater- ial have died with pathologic conditions that require some explanation as to the cause and an examination of the exposure to whioh they were subjected. The path ologio condition referred to consisted of a necrosis of the jaw whi oh has been observed genorally to follow the removal of a tooth or dental intervention in the form of treatment of some kind. Severe anemia sets in terminat ing in death. This holds true for six of the cases. The seventh case did not develop necrosis of the jaw, but showed the anemic condition. It is commonly reported by her associates that she had enten sea food the Sunday before her death which had rendered her ill. Besides the cases which have resulted in death there have beon several cases of jaw necrosis among the girls that have been successfully treated. The necrosis of the jaw in these cases is said to differ from phosphorus poisoning or ordinary necrosis or typical osteomyletis only in the number of areas involved in the first place, and the remote location of the areas from one another. After operative procedure these cases usually tale on a very rapid form of neoro- sis whio necessitates oporative procedures at woekly periods in order to out down the sepsis. In the later stages of the disease those necrotio areas present a liquidfaction which resembles more or less of a gelatinous character rathor than a bony disintegration. One dentist speaics of a case which he has successfully treated as alow grade infection of the mandible. This necrotic condition diffors in his opinion from the ordinary necrosis found in the jaw principally in the fact that it persisted over such a long period of time and showed a tendeney to recur unless free drainage was at all times maintained, meaning by this that if the wound

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    "ocrText": "FOISONING FROM DIAL PAINTING\nFrederick B. Flinn, Ph.D.\nAss't Prof. Physiology in Industrial Hygiene\nCollege of Physicians and Surgeons\nColumbia University, N.Y.C.\nSeven girls employed at one time in painting dials with a luminous mater-\nial have died with pathologic conditions that require some explanation as to the\ncause and an examination of the exposure to whioh they were subjected. The path\nologio condition referred to consisted of a necrosis of the jaw whi oh has been\nobserved genorally to follow the removal of a tooth or dental intervention in the\nform of treatment of some kind. Severe anemia sets in terminat ing in death. This\nholds true for six of the cases. The seventh case did not develop necrosis of the\njaw, but showed the anemic condition. It is commonly reported by her associates\nthat she had enten sea food the Sunday before her death which had rendered her ill.\nBesides the cases which have resulted in death there have beon several cases of\njaw necrosis among the girls that have been successfully treated.\nThe necrosis of the jaw in these cases is said to differ from phosphorus\npoisoning or ordinary necrosis or typical osteomyletis only in the number of areas\ninvolved in the first place, and the remote location of the areas from one another.\nAfter operative procedure these cases usually tale on a very rapid form of neoro-\nsis whio necessitates oporative procedures at woekly periods in order to out down\nthe sepsis. In the later stages of the disease those necrotio areas present a\nliquidfaction which resembles more or less of a gelatinous character rathor than a\nbony disintegration. One dentist speaics of a case which he has successfully treated\nas alow grade infection of the mandible. This necrotic condition diffors in his\nopinion from the ordinary necrosis found in the jaw principally in the fact that\nit persisted over such a long period of time and showed a tendeney to recur unless\nfree drainage was at all times maintained, meaning by this that if the wound"
}