Temporary hardness of water is due to the presence of following salts of calcium and magnesium 1) Bicarbonates 2) Sulphates 3) Chlorides 4) Nitrates
Community DentistryAnswer: 1
Main disadvantage of cavity varnishes is 1) Etching of porcelain restorations 2) Staining of sillicate restorations 3) Nephrotoxicity 4) Restriction of diet
Community DentistryAnswer: 4
Blind is the term used in 1) Analytical studies 2) Experimental studies 3) Non-analytical studies 4) All of the above
Community DentistryAnswer: 4
Calculus formation can be effectively retarded by 1) Systemic fluoridation 2) Daily plaque removal 3) Chemical oral mouth rinses 4) Topical fluoride application
Community DentistryAnswer: 2
Sensitivity of a test is its ability to identify 1) True negative 2) False positive 3) False negative 4) True positive
Community DentistryAnswer: 4
Which of the following conditions must exist before a person will take action to preserve his health 1) Feeling of susceptibilty to a disease 2) A feeling that the disease or condition is severe if it occured 3) Feeling that there is an action taken to reduce severity of condition 4) All of the above
Community DentistryAnswer: 4
Which of the following can be considered as the most racial clue in dentition 1) Taurodontism 2) Cusp of Carabelli 3) Shovel shaped incisors 4) Peg laterals
Community DentistryAnswer: 3
The colourless or transparent pit and fissure sealants are usually 1) Indicated only in case of rampant caries 2) Accepted even though retention is limited 3) Limited to buccal pits 4) Indicated only before six years of age
