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Which of the following is necessary for collagen formation?
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Odontoblast nuclei displacement into adjacent dentinal tubuli is thought to be
1. a reversible pathologic condition.
2. due to increased intrapulpal tissue pressure.
3. due to contraction of collagen fibres.
4. more frequent following the use of air coolant rather than water coolant.
5. one of the first histological changes following operative trauma
All of the above
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The coronal collagen fibres of the periodontium are
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The most common type of collagen found in the gingival connective tissue, periodontal ligament, and cementum is composed primarily of
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Histopathologic alterations associated with the pathogenesis of periodontal disease include
1. inflammatory exudate that can involve neutrophils, lymphocytes and plasma cells.
2. proliferative and degenerative changes of the junctional epithelium.
3. collagen destruction subjacent to the junctional epithelium.
4. deepening of the gingival sulcus.
All of the above
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In a healthy periodontium, attached gingiva
1. is bound firmly by the periosteum to the alveolar bone.
2. is attached by collagen fibres to the cementum.
3. displays varying degrees of stippling.
4. has a keratinized surface.
All of the above
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The coronal collagen fibres of the periodontium are
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Which of the following is necessary for collagen formation?
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The collagen fibres of the periodontal ligament that insert into bone are called
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