Question: All of the following are true about functions of dental pulp except______________?
- 1. Formation of dentin
- 2. Nerve supply to dentin
- 3. Sends impulses to CNS
- 4. Nerve supply to enamel through fibres
Question: Which of the following structures is not found in a living pulp ?
- 1. Collagen fibres
- 2. Haversian fibres
- 3. Non-myelinated nerve fibres
- 4. Reticulum
Question: Which of the following statement is false______________?
- 1. Resorption of roots of deciduous incisors and canines begins on their lingual surfaces
- 2. Resorption of roots of deciduous molars begins on their inner surfaces
- 3. Shedding of deciduous teeth is delayed in the absence of their successor teeth
- 4. None of the above
Question: Osteoblasts appear basic gram staining due to______________?
- 1. Increased ribonucleic acid
- 2. Acidic ground substance
- 3. Increased mitochondria
- 4. Presence of basic ground substance
Question: The maximum rate of eruption, as the tooth cusps reach the surface epithelium is around ________ μm/day?
- 1. 100
- 2. 75
- 3. 50
- 4. 25
Question: Calcified tissue is absent in______________?
- 1. Enamel
- 2. Dentin
- 3. Cementum
- 4. Pulp
Question: Which of the following factors are primarily contributory to the shedding of deciduous tooth ?
- 1. Hydrostatic
- 2. Vascular pressure
- 3. Oncotic pressure
- 4. Masticatory pressure
Question: The apical foramen of a fully developed permanent tooth is usually lined by_____________?
- 1. Dentin
- 2. Cementum
- 3. Epithelial rest cells
- 4. The Epithelial diaphragm
Question: Specific stain for fat cells is___________?
- 1. Eosin & haematoxylin
- 2. Carbol fuschin
- 3. Sudan III
- 4. Cresyl violet
Question: Extracted teeth should be preserved in_____________?
- 1. Saline
- 2. Xylene
- 3. 10% Formalin
- 4. 10% alcohol