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NEET MDS Quiz - Practice Test

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Public Health Dentistry - 3 Questions

1
Public Health Dentistry
Daily fluoride (0.05%) mouth rinse has concentration?

1) 225 ppm  
2) 900 ppm
3) 1000 ppm
4) 1100 ppm

📠Explanation:

Daily fluoride mouth rinse containing 0.05% sodium fluoride has a concentration of about 225 ppm fluoride ions

0.05% sodium fluoride solution = 225 ppm fluoride

0.2% sodium fluoride solution = 900 ppm fluoride

The daily rinse (0.05%) is recommended for children aged 6–12 years.

The weekly rinse (0.2%) is recommended for older children and adults at higher risk of caries.

2
Public Health Dentistry
IN HEALTH EDUCATION PROGRAMME a group of 10 ppl r planning to speak on a topic of common interest. Which is the best ed. Approach

1.panel discussion
2.symposium
3.group discussion
4.workshop

📠Explanation:

Group discussion because participants get chances to express thier views Idea panel discussion : 4-8 people talk abt a topic in front of large group. symposium:series of speeches on a selected subject, no discussion. group discussion :considered a very effective method of health edu if the group consists of not less than 6 and not more than 20 persons. workshop:usually lasts for few days wher people get together and work in different groups and discuss problem of concern it can be called a problem solving method.

3
Public Health Dentistry
The occurrence of dental caries in a population at a given point of time may be termed as:

1. Incidence.
2. Point Prevalence.
3. Period Prevalence.
4. None of the above.

📠Explanation:

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.

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