Medical MCQs

5099 MCQs  (Page 273 of 510)

Teeth with out antagonist if erupt is called____________?
A. Stable
B. Over erupted
C. Supra erupted
D. Submerged
The most accepted theory of tooth eruption is____________?
A. Hydrodynamic theory
B. Clone theory
C. Periodontal ligament traction theory
D. Vascular theory
Hammock ligament is present_______________?
A. Between temporal and sphenoid bone
B. Between hamular notch and mandible
C. In apical area of a tooth
D. As a part of deep cervical fascia
Which enzyme is associated with the mineralization_____________?
A. Acid phosphatase
B. Alkaline phosphatase
C. Adenosine triphosphate
D. Amino peptidase
Oral tissue for microscopic examination is prepared by_______________?
A. embedded in paraffin and sectioned
B. embedded in paradion and sectioned
C. frozen and sectioned
D. specimens ground into thin sections
Gubernacular canal and gubernacular cord are seen in relation to____________?
A. Permanent teeth
B. Deciduous teeth
C. Succedaneous teeth
D. None of the above
The deciduous teeth can be differentiated from permanent teeth by_____________?
A. Enamel prismatic arrangement
B. Dentinal tubule arrangement
C. Primary and secondary dentin
D. Mineral content
The first sign of future deciduous teeth as a thickening of oral ectoderm appears at about_____________?
A. 25th day of intra uterine life
B. 34th day of intra uterine life
C. 56th day of intra uterine life
D. 20 wks of intra uterine life
Epithelial attachment is derived from____________?
A. Reduced enamel epithelium
B. Dental papilla
C. Inner enamel epithelium
D. Dental sac