studies

Question 1

which type of study is the tristan a cunha study?

Answer 1

• observational study

Question 2

what was the conclusion from the tristan da cunha study?

Answer 2

before the volcanic eruption in 1962 islanders lived on basic diet giving them low caries incidence but on return to the island in 1966 occupants had an equal caries level as the english - diet plays an important role in caries risk

Question 3

what did the WWII studies show?

Answer 3

diet plays important role as during war sugar was rationed and caries levels lower than after war

Question 4

what type of study is the hopewood house study and where was is carried out?

Answer 4

observational study carried out in rural new south wales Australia

Question 5

who were the subjects in the hopewood house study?

Answer 5

80 children from low socio-economic background raised from birth - age 12 on a lactovegetarian diet (sugar and flour intake was low)

Question 6

what % of the hopewood house children were caries free? what % of state school children were caries free?

Answer 6

46% of hopewood house 12 year olds

1% of state school 12 year olds

Question 7

what happened after the children left hopewood house aged 13?

Answer 7

their caries rate became equal to the state school children as they were not on strict diet

Question 8

what preventative measures for caries was carried out in the hopewood house children?

Answer 8

• low fluoride intake

- no OH measures

Question 9

what type of study is the vipeholm study? where was it carried out? by who? when?

Answer 9

a human interventional study

carried out in Sweden on mentally deficient patients at vipeholm hospital