National Research Centre

Medical Research Ethics Committee

MREC Reviewer Comment

Protocol Title

Assessment of Physical Properties and push out bond strength of New Experimental Nano-MTA

Completely satisfied and informative data

Needs Explanation

Comments to the applicant

Several points need to be clarified

Comment to the Committee

1. It has not been clarified how the experimental Nano MTA is prepared, which chemical components will be involved in its composition, and is it safe or dangerous to health?

2. Despite the large amount of work needed including preparing the new nanocomposite and conducting biotests on the teeth, the researcher only needs one month to do all previous work ?

3. At the question: Mention the source of identifiable biospecimen.. She did not mention the name of the clinic? Or its place?

Informed consent form:

Needs Modification

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