Which of the following is the most common malignant mesenchymal tumor of the oral cavity
1 Osteogenic sarcoma
2. Fibrosarcoma
3. Chondromyxoma
4. Squamous cell carcinoma
Oral PathologyAnswer: 4
Which of the following lesions is the most frequent cause of resorption at the root apex 1) Cementoma 2) Fibrous dysplasia 3) Primordial cyst 4) Periapical granuloma
Oral PathologyAnswer: 4
Rushton bodies are present in 1) Odontogenic keratocyst 2) Periodontal cyst 3) Periapical cyst 4) Primordial cyst
Oral PathologyAnswer: 3
Neurological symptoms and premature graying of hair is associated with 1) Folic acid deficiency 2) Pernicious anaemia 3) Plummer-Vinson syndrome 4) Paterson-Kelly syndrome
Oral PathologyAnswer: 2
Which of the following diseases of the bone characteristically exhibits (in contrast to the other three conditions) a single lesion in a single bone? 1) Central giant cell granuloma 2) Osteopetrosis 3) Paget"s disease of the bone 4) Polyostotic fibrous dysplasia
Oral PathologyAnswer: 1
Oral lesions consisting of large numbers of broad-based papillary projections, with tiny abscesses developing in an area of intense erythema, is most likely to be 1) Pyogenic granuloma 2) Gangrenous stomatitis 3) Tularemia 4) Pyostomatitis vegetans
Oral PathologyAnswer: 4
Which of the following oral carcinomas has least malignant potential and is relatively non aggressive? Or Which of the following conditions may be histologically misdiagnosed as begin lesion 1. Squamous cell carcinoma 2. Verrucuous carcinoma 3. Spindle cell carcinoma 4. Malignant melanoma
Oral PathologyAnswer: 2
When compared to secondary dentin, reparative dentin
1. is more calcified
2. is more generalized in distribution
3. has poorly organized dentinal tubules
4. has more dentinal tubules