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.Management Sciences
Category: Oral Histology
Bone at forming stage has_________________?
A. Osteoclasts, osteoblasts, osteoid
B. Odontoblasts & megakaryocyte
C. Megakaryocytes, osteoblasts, osteoclasts
D. None of the above
The neutralization of saliva is due to______________?
A. Mucin
B. Ammonia
C. Amino acids
D. Bicarbonates
Movement of tooth to close the intermaxillary gap during eruption is due to____________?
A. Physiological tooth migration
B. Active eruption
C. Passive eruption
D. None of the above
The average width of enamel rods is______________?
A. 10mm
B. 5mm
C. 2mm
D. 0.5mm
Enamel pearls are found in_____________?
A. Occlusal surface of premolars
B. Furcation areas of permanent molars
C. On the incisal edges of incisors
D. None of the above
The main function of horizontal fibres of P.D ligament is____________?
A. Prevent extrusion
B. Prevent rotation
C. Maintains the mesiodistal width
D. All of the above
Masticatory mucosa is____________?
A. Para keratinised
B. Ortho keratinised
C. Non keratinised
D. Sub keratinised
The enamel of the posterior teeth is thickest at____________?
A. Cervical third of buccal surface
B. Middle third of buccal surface
C. Middle third of lingual surface
D. Occlusal surface
The zone of dentin most recently formed and uncalcified is known as____________?
A. Mantle dentin
B. Circumpulpal dentin
C. Predentin
D. Secondary dentin
Enamel rods at the cervical area at the occlusal edge and incisal lip in permanent teeth are______________?
A. Straight
B. Shallow
C. Bent
D. Curved
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