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
Question: Intermediate cementum is___________?
- 1. Between enamel and cementum
- 2. Found at dentinocemental junction
- 3. Apical third
- 4. Coronal third
Question: Which of the following is correct?
- 1. Cementum is more resistant to resorption than bone
- 2. Bone is more resistant to resorption than cementum
- 3. Both are equally resorbable
- 4. None of the above
Question: Chronic periapical inflammation is usually associated with____________?
- 1. Ankylosis
- 2. Resorption of cementum
- 3. Hypertrophy of cementum
- 4. Hyperplasia of cementum
Question: If cementum is not formed______________?
- 1. Ankylosis may occur
- 2. Exforliation of teeth occur
- 3. Delayed eruption
- 4. No change occurs
Question: Which of the following is true______________?
- 1. The uncalcified matrix of cementum is called cementoid
- 2. Cementum contain type I collagen predominantly
- 3. Cementodentinal junction is sometimes scallopes in deciduous teeth and smooth in permanent teeth
- 4. All of the above
Question: Acellular cementum is typically found in_____________?
- 1. Coronal half of root
- 2. Apical half of root
- 3. Apex of root
- 4. Entire root
Question: At the cemento enamel junction, which of the following occurs_____________?
- 1. Cementum meets enamel
- 2. Cementum overlaps enamel
- 3. Cementum does not meet enamel
- 4. All of the above
Question: Inorganic content of cementum is_____________?
- 1. Less than bone
- 2. More than bone
- 3. Equal to that of bone
- 4. More than that of enamel