Which of the following is not true 1. Periodontal cyst always develops from dentigerous cyst 2. In periodontal cyst, tooth may be vital 3. Both A and B are true 4. None of the above true
PeriodonticsAnswer: 1
After curettage, reeptheliazation of sulcus occurs in 1. 2-7 days 2. 1-2 weeks 3. 2-3 weeks 4. 4-5 weeks
PeriodonticsAnswer: 1
The best bone graft which can be utilized for reconstruction is 1) Costochondral graft 2) Calvarial graft 3) Iliac crest graft 4) Metatarsal bone graft
PeriodonticsAnswer: 3
Which of the following mesial root surfaces cannot be thoroughly cleaned by floss 1) Mandibular first molars 2) Maxillary first premolar 3) Maxillary canines 4) Mandibular second premolar
PeriodonticsAnswer: 2
An enzyme present in saliva which causes cell wall lysis is 1) Lysozyme 2) Peroxidase 3) Lactoferin 4) Hyaluronidase
PeriodonticsAnswer: 1
Which of the following has high degree of correlation of PI of Russell"s 1) OHI-S 2) PMA index 3) Loe and Sillness 4) Sillness and Loe
PeriodonticsAnswer: 1
At 6-years-age interdental papillary necrosis, ulceration, pain, bleeding and pseudomembrane formation is seen in 1) Herpetic gingivostomatitis 2) ANUG 3) Erythema multiforme 4) Streptococcal gingivostomatitis
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