This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Dental
Which of the following is an  adhesive perforation repair material: 
Select and explain. 
A. Calcium sulphate., B. Amalgam., C. ZOE., D. Geristone.
D: Geristone.
Answer: D: Geristone. 
Explanation: Geristore (Rapid setting resin-glass ionomer hybrids)-

Has good capacity of bonding with the tooth structure

Recommended for:-

Root-end filling material
Restoring subgingival surface defects
Root surface caries
External root resorption lesions
Iatrogenic root perforations
Subgingival oblique fractured roots