Document 3JpGqQgGNkryXo9KyRyEykmO3

Common External Marks of Occupation or Occupational Diseases or Other Diseases (continued) Mark or "S" Probable cause Significance Comment "Beefy4' tongi :< Herpes (labialI.--"cold sores." Occupational fungal around moulth! . Discolored gui is. Burton line (liead line). Acute multiple dental caries. Dental erosions. "Mulberrv=molars " lips, Mouth, Teeth, Tongue, Neck, continued Vitamin B deficiency. One manifestation of vitamin B lack. R. M. I. Action of a virus, allergy. Condition limited to Mediter ranean countries. Involves chiefly quail force-feeders. > Various metal or mineral deposits, tobacco stain, etc. Bright purple line at gum margin. Common after exposure to lead. Specific form attributed to work with citric acid, chiefly bakers and oonfectioners. Erosion from chemicals, such as from acids or mechanical erof sion such as from glass blowers* pipes; numerous variations; specific variations for many trades, such as battery makers from acid, sewers from thread biting, wind instrument playf ere, "tack spittera," brush makers who tnm bristles by - biting,.pencil chewere in offices; Gong^italsyphilis. | Virus probably always present but only becomes active under unfavorable conditions such as infection. Organism transferred by quail pecking feeders' faces. The purple gum line of lead ab sorption, the similar line from bismuth, the blue line follow ing trinitrotoluene exposure or poisoning, purple line from copper, bluish line from mer cury or zinc, purple gums from scurvy. R. M. I. Not diagnostic of lead poisoning. Well recognized in European countries. Uncommon in exag gerated form in United States. Profoundly eroded teeth of acid workers seldom decayed and are not painful. Domershaped, stunted first mo- Enlarged tongue, roughened, ru gose and red; somewhat re sembles raw beef. Not to be confused with labial chancre. Condition not known in United States. Lines or discoloration of gums are not conclusive proof of any oc cupational disease. Not readily visible as a sign of abnormality. R. M. I. All sugars as used in bakeries and confectionaries may produce some excess of dental caries. Apart from dental erosion consti tuting a sign of occupational damage in many trades, the premature Idas of teeth may possibly be related to work as a contributory cause. Various other dental defects sug',- gestwCongenita! syphilis. : Cn O to oowo