Tooth Eruption, Shedding And Miscellaneous MCQs

Option A: Resorption of roots of deciduous incisors and canines begins on their lingual surfaces

Option B: Resorption of roots of deciduous molars begins on their inner surfaces

Option C: Shedding of deciduous teeth is delayed in the absence of their successor teeth

Option D: None of the above

Correct Answer: None of the above ✔

Option A: Increased ribonucleic acid

Option B: Acidic ground substance

Option C: Increased mitochondria

Option D: Presence of basic ground substance

Correct Answer: Increased ribonucleic acid ✔

Option A: 100

Option B: 75

Option C: 50

Option D: 25

Correct Answer: 75 ✔

Option A: Enamel

Option B: Dentin

Option C: Cementum

Option D: Pulp

Correct Answer: Pulp ✔

Option A: Hydrostatic

Option B: Vascular pressure

Option C: Oncotic pressure

Option D: Masticatory pressure

Correct Answer: Masticatory pressure ✔

Option A: Dentin

Option B: Cementum

Option C: Epithelial rest cells

Option D: The Epithelial diaphragm

Correct Answer: Cementum ✔

Option A: Eosin & haematoxylin

Option B: Carbol fuschin

Option C: Sudan III

Option D: Cresyl violet

Correct Answer: Sudan III ✔

Option A: Saline

Option B: Xylene

Option C: 10% Formalin

Option D: 10% alcohol

Correct Answer: 10% Formalin ✔

Option A: Embedded in paraffin and sectioned

Option B: Embedded in paradion and sectioned

Option C: Frozen and sectioned

Option D: Specimens ground into thin sections

Correct Answer: All of the above ✔

Option A: Acid phosphatase

Option B: Alkaline phosphatase

Option C: Adenosine triphosphate

Option D: Amino peptidase

Correct Answer: Alkaline phosphatase ✔

Option A: Between temporal and sphenoid bone

Option B: Between hamular notch and mandible

Option C: In apical area of a tooth

Option D: As a part of deep cervical fascia

Correct Answer: As a part of deep cervical fascia ✔

Option A: Hydrodynamic theory

Option B: Clone theory

Option C: Periodontal ligament traction theory

Option D: Vascular theory

Correct Answer: Periodontal ligament traction theory ✔

Option A: Stable

Option B: Over erupted

Option C: Supra erupted

Option D: Submerged

Correct Answer: Supra erupted ✔

Option A: Physiological tooth migration

Option B: Active eruption

Option C: Passive eruption

Option D: None of the above

Correct Answer: Active eruption ✔

Option A: Booster Mechanism

Option B: Seeding theory

Option C: Alkaline Phosphatase theory

Option D: Cartier/s Adenosine Triphosphate theory

Correct Answer: Seeding theory ✔

Option A: 25th day of Intra uterine life

Option B: 34th day of Intra uterine life

Option C: 56th day of Intra uterine life

Option D: 20 wks of Intra uterine life

Correct Answer: 56th day of Intra uterine life ✔

Option A: Enamel prismatic arrangement

Option B: Dentinal tubule arrangement

Option C: Primary and secondary dentin

Option D: Mineral content

Correct Answer: Enamel prismatic arrangement ✔

Option A: Type I

Option B: Type II

Option C: Type III

Option D: Type IV

Correct Answer: Type I ✔

Option A: Incremental lines of retzius

Option B: Incremental lines of von Ebner

Option C: Contour lines lines of owen

Option D: None of the above

Correct Answer: Contour lines lines of owen ✔

Option A: Permanent teeth

Option B: Deciduous teeth

Option C: Succedaneous teeth

Option D: None of the above

Correct Answer: Succedaneous teeth ✔

Option A: Osteoblast

Option B: Fibrocytes

Option C: Polymorphs

Option D: Osteoclasts

Correct Answer: Osteoclasts ✔

Option A: Fat

Option B: Mucin

Option C: Cartilage

Option D: Iron

Correct Answer: Fat ✔

Option A: By using 10% formalin

Option B: By using liquid or solid Co2

Option C: By using increasing percentages of alcohol

Option D: By using 5% nitric acid

Correct Answer: By using increasing percentages of alcohol ✔

Option A: 10% formalin

Option B: 40% formalin

Option C: 20% formalin

Option D: 10% alcohol

Correct Answer: 10% formalin ✔

Option A: Reduced enamel epithelium

Option B: Dental papilla

Option C: Inner enamel epithelium

Option D: Dental sac

Correct Answer: Reduced enamel epithelium ✔

Option A: Lingual to primary teeth

Option B: Inferior to primary teeth

Option C: Labial to primary teeth

Option D: A and B

Correct Answer: A and B ✔

Option A: Primary teeth

Option B: Permanent teeth

Option C: Both A and B

Option D: None of the above

Correct Answer: Permanent teeth ✔

Option A: Osteoclasts

Option B: Osteoblasts

Option C: Odontoclasts

Option D: Odontoblasts

Correct Answer: Odontoclasts ✔

Option A: Osteoclastic activity

Option B: Proliferation of cells at crypt

Option C: Exforliation of primary tooth

Option D: Eruptive force

Correct Answer: Eruptive force ✔

Option A: Plays a passive role

Option B: Becomes a fibrotic non-vital mass

Option C: Initiates resorption from the inner surface of roots

Option D: Aids in formation of secondary dentin slowing down resorption

Correct Answer: Plays a passive role ✔