Evaluation and comparison two types of prefabricated zirconia crowns in mixed and primary dentition: A randomized clinical trial

by Louay Hanafi, Mohamed Altinawi, John C. Comisi
Published 2021-02-01

The effect of retrograde material type and surgical techniques on the success rate of surgical endodontic retreatment: systematic review of prospective randomized clinical trials

by Ashraf Abou ElReash, Hamdi Hamama, John C. Comisi, Ahmed Zaeneldin, Xie Xiaoli
Published 2021-07-01