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Most Latest Tooth Eruption, Shedding And Miscellaneous ( Oral Histology ) MCQs – New Medical MCQs
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Latest Medical MCQs
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Latest Tooth Eruption, Shedding And Miscellaneous ( Oral Histology ) Mcqs
The most occurred mcqs of Tooth Eruption, Shedding And Miscellaneous ( Oral Histology ) in past papers. Past papers of Tooth Eruption, Shedding And Miscellaneous ( Oral Histology ) Mcqs. Past papers of Tooth Eruption, Shedding And Miscellaneous ( Oral Histology ) Mcqs . Mcqs are the necessary part of any competitive / job related exams. The Mcqs having specific numbers in any written test. It is therefore everyone have to learn / remember the related Tooth Eruption, Shedding And Miscellaneous ( Oral Histology ) Mcqs. The Important series of Tooth Eruption, Shedding And Miscellaneous ( Oral Histology ) Mcqs are given below:
Which of the following statement is false______________?
A. Shedding of deciduous teeth is delayed in the absence of their successor teeth
B. Resorption of roots of deciduous molars begins on their inner surfaces
C. Resorption of roots of deciduous incisors and canines begins on their lingual surfaces
D. None of the above
Osteoblasts appear basic gram staining due to______________?
A. Increased ribonucleic acid
B. Increased mitochondria
C. Acidic ground substance
D. Presence of basic ground substance
The maximum rate of eruption, as the tooth cusps reach the surface epithelium is around ________ μm/day?
A. 50
B. 75
C. 100
D. 25
Calcified tissue is absent in______________?
A. Dentin
B. Enamel
C. Cementum
D. Pulp
Which of the following factors are primarily contributory to the shedding of deciduous tooth ?
A. Vascular pressure
B. Hydrostatic
C. Oncotic pressure
D. Masticatory pressure
The apical foramen of a fully developed permanent tooth is usually lined by_____________?
A. Epithelial rest cells
B. Cementum
C. Dentin
D. The Epithelial diaphragm
Specific stain for fat cells is___________?
A. Carbol fuschin
B. Eosin & haematoxylin
C. Sudan III
D. Cresyl violet
Extracted teeth should be preserved in_____________?
A. Xylene
B. Saline
C. 10% Formalin
D. 10% alcohol
Development And Growth Of Teeth
Oral tissue for microscopic examination is prepared by_______________?
A. Embedded in paradion and sectioned
B. Embedded in paraffin and sectioned
C. Frozen and sectioned
D. Specimens ground into thin sections
E. All of the above
Which enzyme is associated with the mineralization_____________?
A. Adenosine triphosphate
B. Alkaline phosphatase
C. Acid phosphatase
D. Amino peptidase
Hammock ligament is present_______________?
A. Between hamular notch and mandible
B. Between temporal and sphenoid bone
C. In apical area of a tooth
D. As a part of deep cervical fascia
The most accepted theory of tooth eruption is____________?
A. Clone theory
B. Hydrodynamic theory
C. Periodontal ligament traction theory
D. Vascular theory
Teeth with out antagonist if erupt is called____________?
A. Over erupted
B. Stable
C. Supra erupted
D. Submerged
Movement of tooth to close the intermaxillary gap during eruption is due to____________?
A. Passive eruption
B. Active eruption
C. Physiological tooth migration
D. None of the above
In mineralization which one of the following is known as Epitaxy ?
A. Alkaline Phosphatase theory
B. Seeding theory
C. Booster Mechanism
D. Cartier/s Adenosine Triphosphate theory
The first sign of future deciduous teeth as a thickening of oral ectoderm appears at about_____________?
A. 34th day of Intra uterine life
B. 25th 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_____________?
A. Enamel prismatic arrangement
B. Primary and secondary dentin
C. Dentinal tubule arrangement
D. Mineral content
Which type of collagen fibers demonstrates Chicken wire configuration ?
A. Type II
B. Type I
C. Type III
D. Type IV
Cementum MCQs
Accentuated incremental lines in dentin are______________?
A. Incremental lines of von Ebner
B. Incremental lines of retzius
C. Contour lines lines of owen
D. None of the above
Gubernacular canal and gubernacular cord are seen in relation to____________?
A. Deciduous teeth
B. Permanent teeth
C. Succedaneous teeth
D. None of the above
The cells, which are responsible for removal of bone matrix in bone resorption, are_____________?
A. Osteoblast
B. Polymorphs
C. Fibrocytes
D. Osteoclasts
Frozen sections can be used for the demonstration of_____________?
A. Fat
B. Cartilage
C. Mucin
D. Iron
Dehydration of specimen is carried out by____________?
A. By using liquid or solid Co2
B. By using 10% formalin
C. By using increasing percentages of alcohol
D. By using 5% nitric acid
A suitable fixative for a routine biopsy specimen is_____________?
A. 10% formalin
B. 20% formalin
C. 40% formalin
D. 10% alcohol
Epithelial attachment is derived from____________?
A. Reduced enamel epithelium
B. Inner enamel epithelium
C. Dental papilla
D. Dental sac
Tooth buds of permanent mandibular incisors are situated_____________?
A. Inferior to primary teeth
B. Lingual to primary teeth
C. Labial to primary teeth
D. A and B
Gubernacular canal guides the eruption of_____________?
A. Primary teeth
B. Permanent teeth
C. Both of the above
D. None of the above
Resorption of dental tissue is caused by_____________?
A. Osteoblasts
B. Osteoclasts
C. Odontoclasts
D. Odontoblasts
Tooth eruption is due to______________?
A. Exforliation of primary tooth
B. Proliferation of cells at crypt
C. Osteoclastic activity
D. Eruptive force
In resorption of roots of the primary teeth, the dental pulp_____________?
A. Plays a passive role
B. Initiates resorption from the inner surface of roots
C. Becomes a fibrotic non-vital mass
D. Aids in formation of secondary dentin slowing down resorption