Question 117 (part 2) · LDEK · Pulp protection and liner materials
Choose true statements regarding preparations based on calcium dioxide:
- A. non-hardening: in indirect capping – stimulation of odontoblasts to forming physiologic secondary dentin.
- B. hardening: in direct capping - stimulation of odontoblasts to forming pathologic secondary dentin.
- C. non-hardening: in pulpotomy - stimulation of odontoblasts to forming reparative dentin.
- D. hardening possess less alkaline pH, resulting in dentine bridge formation, which provide very tight closing, impermeable to bacteria.
- E. non-hardening in contact with injured pulp result in surface three-layer necrosis (from dressing to odontoblasts): contact, clotting, necrolytic.
Hint
Compare the type of dentin formed after indirect capping with that formed on an amputated pulp, and the quality of calcium hydroxide bridges.
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