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It is a very thin, black-blue line visible along the margin of the gums, at the base of the teeth. [1] [2] It is caused by the reaction between circulating lead and sulphur ions produced by oral bacteria, forming deposits of lead sulfide in the gums. [3] The sign was described in 1840 by Henry Burton: [4]
Of North American children, 7% have blood lead levels above 10 μg/dL, whereas among Central and South American children, the percentage is 33–34%. [219] About one fifth of the world's disease burden from lead poisoning occurs in the Western Pacific, and another fifth is in Southeast Asia. [219]
This category reflects the organization of International Statistical Classification of Diseases and Related Health Problems, 10th Revision. Generally, diseases outlined within the ICD-10 codes T36-T50 within Chapter XIX: Injury, poisoning and certain other consequences of external causes should be included in this category.
ICD-10 is the 10th revision of the International Classification of Diseases (ICD), a medical classification list by the World Health Organization (WHO). It contains codes for diseases, signs and symptoms, abnormal findings, complaints, social circumstances, and external causes of injury or diseases. [ 1 ]
Rather than a single disease entity, periodontal disease is a combination of multiple disease processes that share a common clinical manifestation. The cause includes both local and systemic factors. The disease consists of a chronic inflammation associated with loss of alveolar bone. Advanced disease features include pus and exudates.
Symptoms of lead poisoning. According to Mayo Clinic, these are the most common symptoms of lead poisoning in adults: High blood pressure. Joint and muscle pain. Memory and concentration trouble ...
Lead poisoning activist Tamara Rubin, aka Lead Safe Mama, first brought attention to the presence of lead in Stanley tumblers in March 2023. Rubin earns a commission on the products she recommends ...
Lead poisoning epidemics refer to specific instances of mass lead poisoning. These events often occur without the knowledge of the communities they affect. Common causes of lead poisoning epidemics include mining, lead recycling, and food/water contamination. [1] These events also cause disproportionate childhood fatalities as children are more ...