Oral Histology
Question: Cellular cementum is____________?
- 1. First formed cementum
- 2. Less calcified than acellular type
- 3. More calcified than acellular type
- 4. Less irregular
Question: Bundle bone is part of____________?
- 1. Periodontal ligament
- 2. Alveolar bone
- 3. Cementum
- 4. Longbones
Question: Hardness of fully mineralized cementum is_____________?
- 1. Less than dentin
- 2. More than dentin
- 3. Equal dentin
- 4. None of the above
Question: Which of the following is true of cellular cementum ?
- 1. Forms during root formation
- 2. Forms after the eruption of the tooth
- 3. Seen at the coronal portion of the tooth
- 4. Formation is a slow process
Question: The cementuoenamel junction is approximately at the level at which the root canal becomes_____________?
- 1. Twisted
- 2. Curved
- 3. Pulp chamber
- 4. Lateral canal
Question: Intermediate cementum is____________?
- 1. Highly defined cellular zone near cemento – dentinal junction (CDJ)
- 2. Highly defined fibrillar zone near CDJ
- 3. Poorly defined zone near cemento-dentinal junction
- 4. Both a and B
Question: Inorganic content of cementum is______________?
- 1. 45 to 50%
- 2. 50 to 55%
- 3. 55 to 60%
- 4. 60 to 65%
Question: The region in which cementum formation is most rapid is_____________?
- 1. Middle
- 2. Coronal
- 3. Apical
- 4. Interradicular
Question: Which of the following statement is true______________?
- 1. Cementum is thinnest at CEJ (20-50μm)
- 2. Cementum is thickest towards the apex (150-200μm)
- 3. The apical foramen is surrounded by cementum
- 4. All of the above
Question: Reestablishing the former outline of the root surface is_____________?
- 1. Anatomic repair
- 2. Functional repair
- 3. Physiological repair
- 4. Hyperplasia