In DMFS index the total number of surfaces measured excluding third molar is 1) 128 2) 132 3) 142 4) 148
Community DentistryAnswer: 1
Fluoride supplement for a 3-year-old child living in an area with fluoride content of 0.25 ppm is 1) 0.25 mg 2) 0.5 mg 3) 0.75 mg 4) 1 mg
Community DentistryAnswer: 2
The point at which the chlorine demand of water is met is termed 1) Break point 2) Back wash 3) Loss of head 4) Chlorine demand
Community DentistryAnswer: 1
Repetition of a study in a given group is 1) Panel study 2) Cohort study 3) Group study 4) High risk
Community DentistryAnswer: 1
After examining a patient for periodontal problem using Russel"s index you have a mean score of 3. It indicates 1) Established periodontal disease which is reversible 2) Established periodontal disease that is reversible 3) Beginning of periodontal disease 4) Terminal periodontal disease
Community DentistryAnswer: 2
When the black band of a CPITN probe is completely visible while in gingival sulcus, it means 1) The individual has advanced periodontal disease 2) The individual has pockets between 4 and 5 mm 3) The individual needs comprehensive periodontal surgery 4) The individual has calculus and needs scalling and oral hygiene instructions
Community DentistryAnswer: 4
Best measure for central tendency in a highly skewed distribution is 1) Median 2) Mean 3) Mode 4) Range
Community DentistryAnswer: 1
Host factors in effecting caries are 1) Genetics 2) Diet 3) Oral hygiene 4) All of the above
