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
PeriodonticsAnswer: 2
Severe alveolar bone loss, as observed in juvenile periodontitis, is associated with 1. Cyclic neutropenia 2. Lysis of neutrophils 3. Increased phagocytosis 4. Neutrophil chemotactic defects
PeriodonticsAnswer: 4
The ultrasonic scaler dislodges only calculus that 1) Has been formed recently 2) Is already loose 3) Is in direct contact with the tip 4) Is located on the interproximal surfaces
PeriodonticsAnswer: 3
Gingival sulcus is deeper 1) Lingually 2) Facially 3) Interproximally 4) Equally on all surfaces
PeriodonticsAnswer: 3
The reshaping process of gingiva in the absence of periodontal pocket is 1) Curettage 2) Gingivoplasty 3) Gingivectomy 4) Flap operation
PeriodonticsAnswer: 2
Maintenance of oral health is best achieved by 1) Hard bristle tooth brush 2) Mouth washes 3) A sort bristle brush and tooth paste 4) A soft bristle brush and dental floss
PeriodonticsAnswer: 4
Transformation of plaque into calculus results from 1) Local rise of degree of saturation of calcium and phosphate 2) Lowering of Ca-p precipitation constant 3) Increased alkalinity 4) All of the above
PeriodonticsAnswer: 4
Which of the following is untrue of periodontal fibres 1) Apical fibres resist rotation movements 2) Oblique fibres resist apical movements 3) Alveolar crest fibres resist occlusal displacement 4) Horizontal fibres resist rotation movements
