Extracted teeth should be preserved in_____________?
A. Saline
B. Xylene
C. 10% Formalin
D. 10% alcohol
Medical Mcqs
Oral tissue for microscopic examination is prepared by_______________?
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
E. All of the above
Which enzyme is associated with the mineralization_____________?
Which enzyme is associated with the mineralization_____________?
A. Acid phosphatase
B. Alkaline phosphatase
C. Adenosine triphosphate
D. Amino peptidase
Hammock ligament is present_______________?
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
The most accepted theory of tooth eruption is____________?
The most accepted theory of tooth eruption is____________?
A. Hydrodynamic theory
B. Clone theory
C. Periodontal ligament traction theory
D. Vascular theory
Teeth with out antagonist if erupt is called____________?
Teeth with out antagonist if erupt is called____________?
A. Stable
B. Over erupted
C. Supra erupted
D. Submerged
Movement of tooth to close the intermaxillary gap during eruption is due to____________?
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
In mineralization which one of the following is known as Epitaxy ?
In mineralization which one of the following is known as Epitaxy ?
A. Booster Mechanism
B. Seeding theory
C. Alkaline Phosphatase theory
D. Cartier/s Adenosine Triphosphate theory
The first sign of future deciduous teeth as a thickening of oral ectoderm appears at about_____________?
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
The deciduous teeth can be differentiated from permanent teeth by_____________?
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