Which cells are decreased in chronic periodontitis? 1) B lymphocytes 2) T lymphocytes 3) Mast cells 4) Plasma cells
PeriodonticsAnswer: 2
In which of the following conditions is permanent dentition not affected 1. Papillon-Leferve syndrome and Down"s syndrome 2. Hypophosphatasia and prepubertal periodontitis 3. Prepubertal and juvenile periodontitis 4. All of the above
PeriodonticsAnswer: 2
Best home care for a patient with a infrabony pocket of 7-8 mm is provided 1) Toothbrush 2) Proxa brush 3) Dental floss 4) None of the above
PeriodonticsAnswer: 4
HIV periodontitis is 1. Diagnostic of HIV infection 2. Characterized by remission and exacerbations 3. Characterized by necrosis and periodontal destruction 4. Periodontitis is not seen in HIV infection
PeriodonticsAnswer: 3
When a tooth is migrating, the periodontal ligament fibres will be
1. thin towards the direction of migration
2. thin away from the direction of migration
3. similar on both sides
4. none of the above
PeriodonticsAnswer: 1
The carbohydrates not associated with dental plaque is 1) Dextrose 2) Levans 3) Glucose 4) Rhamnose
PeriodonticsAnswer: 4
Hard deposits found on tooth and appliances in an uncleaned mouth is called 1) Plaque 2) Calculus 3) Matrial alba 4) None
PeriodonticsAnswer: 2
The periodontal ligament 1) Has a slow rate of turnover 2) Contains epithelial cells of Malassez 3) Comprises primarily type 2 collagen 4) None of the above
