A. Enamel cuticle
B. Interprismatic substance
C. Organic matrix
D. Enamel lamellae
Related Mcqs:
- The following lesion is a doubtful premalignant lesion for oral malignancy________________?
A. Leukoplakia
B. Chronic hyperplastic candidiasis
C. Erythroplakia
D. Oral lichen planus - Earliest lesion in atherosclerosis is_____________?
A. Atheroma
B. Fatty streak
C. Fibrous plaque
D. None of the above - In a patient with reduced salivary flow the carious incidence is_______________?
A. More than the patient with normal salivary flow
B. less than the patient with normal salivary flow
C. unaffected
D. None of the above - Which of the following organisms is found in deep carious lesions rather than in incipient lesions ?
A. Streptococci
B. Lactobacilli
C. Veillonella
D. Bateroides - Early invading bacteria in carious lesions are called___________?
A. Microcosm
B. Pioneer bacteria
C. Advancing bacteria
D. Anaerobic bacteria - Turbid dentin in carious tooth is all EXCEPT_____________?
A. Zone of bacterial invasion
B. Zone which can not be remineralized
C. Zone in which collagen is irreversibly denatured
D. Zone that need not be removed before restoration - Hypovolemic shock develops after loss of______________?
A. 10% blood
B. 20% blood
C. 30% blood
D. 40% blood - Large open wounds that are characterized by tissue loss and repaired by formation of granulation tissue in the floor of the wound is characteristic of______________?
A. Secondary healing
B. Primary healing
C. Cicatrisation
D. Regeneration - On stretching the cheek the lesion disappears in___________?
A. Leukoplakia
B. Focal hyperkeratosis
C. Leukoedema
D. Typhoid - Which of the following diseases of the bone characteristically exhibits (in contrast to the other three conditions) a single lesion in a single bone ?
A. Central giant cell granuloma
B. Osteopetrosis
C. Paget’s disease of the bone
D. Polyostotic fibrous dysplasia
