CPITN is used in 1) Biggest population 2) Small population 3) Diagnostic tool 4) Screening purposes
Community DentistryAnswer: 4
Intensity of caries by snyder test is determined by 1) Rapidity at which medium turns greenish blue to red 2) Rapidity at which medium turns yellow to greenish blue 3) Rapidity at which medium turns greenish blue to yellow 4) Rapidity at which medium turns greenish blue to colourless
Community DentistryAnswer: 3
What is the sensitivity of diagnostic test for the above data? 1) 45 2) 20 3) 80 4) 90
Community DentistryAnswer: 4
According to WHO, minimum amount of fluoride that should be present in salt for effective anticaries activity is 1) 3 mg of F/5 g of salt 2) 1.5 mg of F/5 g of salt 3) 10 mg of F/5 g of salt 4) 100 mg of F/5 g of salt
Community DentistryAnswer: 2
Who is the father of biostatistics 1) LH Rheen 2) John Graunt 3) Leone willians 4) Deane H Trendly
Community DentistryAnswer: 2
The word "statistically significant" is a result of study indicating 1) Results have not occured by chance 2) Without practical significance, it has little meaning 3) It may no have clinical significance 4) All of the above
Community DentistryAnswer: 4
The number of new cases of a specific disease occurring is a defined population during a specified period of time is known as 1) Incidence 2) Point prevalence 3) Distribution 4) Prevalence
Community DentistryAnswer: 1
Who for the first time and in which year coined the term "oral hygiene" 1) ML Rein in the year 1884 2) J Leon William in the year 1886 3) GV Black in the year 1908 4) Dr R Ahmed in the year 1920
