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.Management Sciences
Category: Oral Histology
Which of the following structures is not of ectodermal origin_______________?
A. Hunter schreger bands
B. Enamel spindles
C. Enamel tufts
D. Enamel lamellae
The key hole, pattern appearance in the cross section is feature of______________?
A. Aprismatic enamel
B. Prismatic enamel
C. Intertubular dentin
D. Intratubular dentin
Dendritic cell located in the stratified squamous keratinizing epithelium of the oral cavity include_____________?
A. Keratinocytes
B. Mast cells
C. Melanocytes
D. Myoepithelila cells
All factors govering dentine permeability EXCEPT_______________?
A. Smear layer
B. Fluid convection
C. Length of dentinal tubules
D. Diffusion coefficient
Excess deposition of calcium in the dentinal tubules is referred to as______________?
A. Sclerotic dentin
B. Mantal dentin
C. Interglobular dentin
D. Intertubular dentin
Periodontal ligament has predominantly_________?
A. Type II collagen fibres
B. Oxytalan fibres
C. Elastic fibres
D. Type I collagen fibres
The disturbances occurred during Calcification stage of tooth development is seen in_____________?
A. Peg laterals
B. Microdontia
C. Supernumerary tooth
D. Interglobular dentin
Periodontal fibres joining cemental surface of one tooth, to cemental surface of adjacent tooth are called____________?
A. Gingivodental
B. Cemental fibres
C. Horizontal fibres
D. Transseptal fibres
Elongated rete pegs are seen in______________?
A. Alveolar mucosa
B. Floor of the mouth
C. Attached gingiva
D. Buccal mucosa
The thinnest epithelium of oral cavity is found in the____________?
A. Buccal gingiva
B. Lingual gingiva
C. Oral surface of lip
D. Sublingual mucosa (floor of mouth)
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