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Questions and Answers
What is the primary source of retention for passive posts?
What is the primary source of retention for passive posts?
- The threaded design of the post
- The luting cement used for cementation (correct)
- The frictional resistance between the post and the root canal
- The mechanical adaptation of the post to the dentin walls
What is the potential risk of screwing a post into the root canal?
What is the potential risk of screwing a post into the root canal?
- Dentin hypersensitivity
- Inadequate cementation
- Vertical root fracture (correct)
- Insufficient retention of the post
What is the advantage of quartz fiber posts in terms of root fracture potential?
What is the advantage of quartz fiber posts in terms of root fracture potential?
- They are more flexible than traditional metal posts
- They appear to be advantageous with regard to root fracture potential (correct)
- They produce less stress concentration at the coronal portion of the root
- They are more resistant to corrosion
What is the primary disadvantage of tapered posts?
What is the primary disadvantage of tapered posts?
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What is the purpose of removing more root dentin during the preparation of the post space?
What is the purpose of removing more root dentin during the preparation of the post space?
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What is the primary advantage of parallel posts?
What is the primary advantage of parallel posts?
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What type of posts are made of reinforcing fibers embedded in a resin polymerized matrix?
What type of posts are made of reinforcing fibers embedded in a resin polymerized matrix?
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What is the primary disadvantage of removing more root dentin during post space preparation?
What is the primary disadvantage of removing more root dentin during post space preparation?
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What type of monomers are typically used to form the resin matrix in fiber posts?
What type of monomers are typically used to form the resin matrix in fiber posts?
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What is the primary advantage of using passive posts?
What is the primary advantage of using passive posts?
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