The prevalence of dental caries in a community in the year 2000 and 2003 was 18 % and 38 % respectively. The incidence of caries for the same population in three years would be 1) 38 % 2) 20 % 3) 10 % 4) 56 %
Community DentistryAnswer: 1
Sensitivity of a test is 1) TP/(TP+FN) 2) TN/(FP+TN) 3) FN/(TN+TP) 4) None of the above
Community DentistryAnswer: 1
The prevention of emergence or development of risk factors in countries where they have not appeared is what type of prevention? 1) Primary 2) Secondary 3) Tertiary 4) Primordial
Community DentistryAnswer: 4
Oral Health Unit of WHO was established in the year 1) 1948 2) 1952 3) 1956 4) 1960
Community DentistryAnswer: 3
First histopathological changes in enamel caries 1) Loss of interprismatic substance 2) Disintegration of enamel prisms 3) Accentuation of incremental line of Retzius 4) Chalky white areas of decalcification
Community DentistryAnswer: 1
Age group in which NaF applied in Knutson technique 1) 2, 5, 10, 12 2) 4, 6, 10, 12 3) 3, 7, 11, 13 4) No specific age interval
Community DentistryAnswer: 3
The following is abrasive in dentrifice 1) Sodium lauryl sulfate 2) Calcium carbonate 3) Agar-agar 4) Cellulose
Community DentistryAnswer: 2
Under which legal concept can dental surgeons be held liable for the activities of members of his or her office staff 1) Prima facia 2) Res judicata 3) Res ipsa loquitur 4) Respondent superior
