Cell mediated immunity in periodontal diseases is demonstrated by 1. Presence of antibodies in crevicular fluid 2. Release of histamine from mast cells 3. Sensitivity of T-lymphocytes to bacterial antigen 4. Phagocytic activity of macrophages
PeriodonticsAnswer: 3
Type of periodontitis which does not respond to therapy is 1. Refractory periodontitis 2. Juvenile periodontitis 3. Rapidly progressive periodontitis 4. Chronic adult periodontitis
PeriodonticsAnswer: 1
Mouth mirror commonly used by a dentist is a 1) Plane mirror 2) Concave mirror 3) Convex mirror 4) Convex lens
PeriodonticsAnswer: 2
Gingival recession occurs at the expense of 1) Cementum 2) Periodontal ligament 3) Gingiva 4) Alveolar bone
PeriodonticsAnswer: 2
Which of the following is not influenced by systemic disease 1) Periodontitis 2) Destructive periodontitis 3) Hereditary fibromatosis gingivitis 4) Chronic gingivitis
PeriodonticsAnswer: 4
Which of the following methods for correction of occlusal supracontacts result in restoration of buccolingual width that is increased due to flattering of occlusal surface? 1) Grooving 2) Spheroiding 3) Contacting 4) Pointing
PeriodonticsAnswer: 2
In which of the following areas free gingival graft is least likely to be appropriate form of therapy 1) Facial of mandibular third molar 2) Facial of mandibular premolars 3) Labial of upper central incisor 4) Labial of upper canines
PeriodonticsAnswer: 1
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
