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community dentistry - 3 Questions
WHO classifies operating dental auxiliaries as dental hygienists, school dental nurses, and therapists. Denturists are not included in this classification.
1) Yellow: This is often used for isolation wastes, such as those from patients with a communicable disease or from the isolation ward. It may also be used for trace chemotherapy waste. 2) Black: Typically used for non-infectious waste that is not recyclable, such as general waste from hospital areas not directly involved in patient care. 3) Green: This is commonly used for anatomical waste, which includes human tissues, organs, body parts, and animal carcasses used in research or treatment. 4) Red: As mentioned, is used for infectious or biohazardous waste that poses a risk of infection or disease transmission.
Fluoride is absorbed in the gastrointestinal tract and is distributed throughout the body. A significant portion of ingested fluoride is excreted through urine. However, fluoride also accumulates in skeletal tissues, including bones and teeth, where it can contribute to the mineralization process and enhance resistance to dental caries. The skeletal system retains fluoride, which can be beneficial in small amounts but may lead to toxicity if excessive.
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