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Community Dentistry - 3 Questions
The CPITN (Community Periodontal Index of Treatment Needs) probe has a ball-ended periodontal probe with a diameter of 0.5 mm. The markings at 3.5, 5.5, 8.5, and 11 mm are used to assess the depth of the periodontal pockets in the gingival sulcus. This probe is designed to evaluate the periodontal health and treatment needs of a community and is commonly used in epidemiological studies.
In epidemiology, incidence refers to the number of new cases of a disease or condition that occur within a specific time frame in a defined population. Dental caries, also known as tooth decay, is a common chronic condition where bacteria in the mouth produce acids that destroy the tooth enamel and underlying dentin, leading to cavities. The incidence of dental caries would be the number of new cases of tooth decay diagnosed within a given period, say a year or another time interval. Point prevalence, on the other hand, is the proportion of a population that has a specific condition at a particular point in time. It is a measure of the prevalence of dental caries at a single moment, which does not account for new cases or recoveries. Period prevalence is the proportion of the population that has had a particular condition during a specific period of time, such as a year or a month. This measure includes both new cases and cases that have persisted from before the start of the period in question.
WHO classifies operating dental auxiliaries as dental hygienists, school dental nurses, and therapists. Denturists are not included in this classification.
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