Dentinogenesis imperfecta differs from amelogenesis imperfecta in that, the former is 1) A hereditary disturbance 2) The result of excessive fluoride ingestion 3) The result of faulty enamel matrix formation 4) Characterized by obliteration of pulp chambers and the root canals of the teeth
Oral PathologyAnswer: 4
Candida infection is not seen in 1) Median rhomboid glossitis 2) Geographic tongue 3) Oral thrush 4) Denture stomatitis
Oral PathologyAnswer: 2
Sarcoma of the soft tissues spreads by 1. Blood vessels 2. Lymphatics 3. Direct extension 4. Local invasion
Oral PathologyAnswer: 1
Kaposi"s sarcoma is tumour of 1) Blood vessels 2) Reticuloendothelial system 3) Striated muscles 4) Smooth muscles
Oral PathologyAnswer: 1
Taurodontism is characterized by
1. Hypercementosis
2. Wide pulp canals and short roots
3. Obliterated pulp chambers with secondary dentine deposition
4. Rootless teeth with thin shell of enamel
Oral PathologyAnswer: 2
Attrition is 1) The loss by wear of tooth substance resulting from tooth brushing 2) The loss by wear of tooth substance resulting from mastication and bruxism 3) Both of the above 4) None of the above
Oral PathologyAnswer: 2
Pierre Robin syndrome is associated with 1) Micrognathia 2) Cleft of the lip and palate 3) Tetralogy of Fallot 4) Syndactly
Oral PathologyAnswer: 1
Lactobacilli are numerous in carious lesions because they 1) Are the main causative agent 2) Can produce insoluble extracellular polysaccharides 3) Can attach to smooth enamel surfaces 4) Are secondary invaders