Turner tooth is seen in
1. Enamel hypoplasia due to hypocalcaemia
2. Enamel hypoplasia due to birth injuries
3. Enamel hypoplasia due to congenital syphilis
4. Enamel hypoplasia due to local infection or local trauma
Oral PathologyAnswer: 4
Resorption of teeth is caused by 1) Cysts 2) Benign tumours 3) Malignant tumours 4) All of the above
Oral PathologyAnswer: 3
The usual radiographic appearance of an osteosarcoma is a 1. Discrete radiolucency with regular borders 2. Multicystic radiolucency with a soap-bubble appearance 3. Cotton wool appearance with an irregular peripheral border 4. Sunburst pattern with radiopaque strands extending from the cortical plates
Oral PathologyAnswer: 4
Developing ameloblasts are affected by the ingestion of high fluoride content water resulting in
1. Turner tooth
2. Hutchinson teeth
3. Mottled enamel
4. Moon molars
Oral PathologyAnswer: 3
Phycomycosis is also called 1) Botryomycosis 2) Coccidiomycosis 3) Phytomycosis 4) Mucormycosis
Oral PathologyAnswer: 4
In a middle-aged man the radiograph shows "cotton-wool" appearance and blood investigation reveals an elevated alkaline phosphatase level. The tentative diagnosis is 1. Paget"s disease 2. Cherubism 3. Fibrous dysplasia 4. Osteogenesis imperfecta
Oral PathologyAnswer: 1
The presence of Heberden"s nodes is a characteristic feature of 1) Coronary artery disease 2) Osteoporosis 3) Osteoarthritis 4) Raynaud"s disease
Oral PathologyAnswer: 3
The virus which causes herpes zoster also causes
1. rabies
2. poliomyelitis
3. common cold
4. chicken pox
