A patient with Letterer-Siwe’s disease is not likely to consult a dentist because
1. the lesions are very similar to those seen in Hand-Schuller-Christian disease
2. there are no signs and symptoms of disease
3. the condition rarely occurs after 2 years of age
4. there are no oral manifestations
Oral PathologyAnswer: 3
Presence of pain is a characteristic feature of
1. acute apical abscess
2. pulp polyp
3. periapical cyst
4. apical granuloma
Oral PathologyAnswer: 1
Streptococcus mutans is considered to be a principal aetiological agent of caries because it produces organic acids and it 1. Forms a gelatinous matrix 2. Metabolizes substrate from saliva 3. Derives energy from enamel constituents 4. Lives symbiotically with Lactobacillus
Oral PathologyAnswer: 1
Most common site of oral leukoplakia is 1. Angle of mouth 2. Cheek mucosa 3. Soft palate 4. Gingiva
Oral PathologyAnswer: 2
Osteomyelitis begins as an inflammation of 1. Cartical bone 2. Periosteum 3. Medullary bone 4. Periosteum and inner cortex
Oral PathologyAnswer: 3
Ground sections of early dental caries of enamel exhibit 1. Accentuated bands of Retzius and cross striations of enamel rods 2. Zones of fatty degeneration and sclerosis of enamel rods 3. Accentuated Owen"s lines of contour and marked interglobular areas 4. Zones of fatty degeneration and interglobular enamel
Oral PathologyAnswer: 4
Which of the following is most malignant? Or Neurogenic sarcoma is most common in patients with 1. Neurilemmoma 2. Neurofibroma 3. Neurogenic fibroma 4. Traumatic neuroma
Oral PathologyAnswer: 2
A patient complains of parasthesia and numbness of the lower lip, there is no history of tooth extraction. The condition is to be related to 1) Infection 2) Metastatic neoplasm 3) Dental manipulation 4) Disease of central nervous system
