Organism involved in smooth surface caries is 1. Streptococcus mutans 2. Actinomyces viscosus 3. Lactobacillus 4. Both A and C
Oral PathologyAnswer: 4
Erosive lichen planus resembles which of the following 1. Monilial gingivitis 2. Desquamative gingivitis 3. Herpetic gingivitis 4. Acute ulcerative gingivitis
Oral PathologyAnswer: 2
A 3-year-old patient has extensive vesicles on lip, tongue, oral mucous membrane. After 2-4 days vesicles rupture followed by pseudomembrane formation and also some dermal lesions seen. What will be the diagnosis 1) Herpetic gingivostomatitis 2) EM 3) ANUG 4) Stevens-Johnson syndrome
Oral PathologyAnswer: 2
The most common site of metastasis from the mandibular sarcoma is 1) Lung 2) Liver 3) Spleen 4) Heart
Oral PathologyAnswer: 1
In the earliest stages of carious lesion, there is loss of 1) Enamel cuticle 2) Interprismatic substance 3) Organic matrix 4) Enamel lamellae
Oral PathologyAnswer: 2
Which of the following bone lesions exhibits honeycomb or soap bubble radiographic appearance 1. Aneurysmal bone cyst 2. Central giant cell granuloma 3. Traumatic bone cyst 4. Stafne Cyst
Oral PathologyAnswer: 1
Which of the following parotid malignancies shows parineural spread 1. Pleomorphic adenoma 2. Adenoid cystic carcinoma 3. Warthin"s tumour 4. Ductal papilloma
Oral PathologyAnswer: 2
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
