Zobrazeno 1 - 10
of 97
pro vyhledávání: '"Mehrdad Lotfi"'
Autor:
Mehrdad Lotfi Choobbari, Jennifer Ferguson, Niko Van den Brande, Tim Smith, Tatevik Chalyan, Wendy Meulebroeck, Heidi Ottevaere
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-8 (2023)
Abstract The combination of different polymers in the form of blended plastics has been used in the plastic industry for a long time. Nevertheless, analyses of microplastics (MPs) have been mainly limited to the study of particles made of single-type
Externí odkaz:
https://doaj.org/article/cd6d45eba58c4ed9acad05116b3ff9f5
Autor:
Ahmad Nouroloyouni, Mehrdad Lotfi, Shahriar Shahi, Saeed Rahimi, Sara Noorolouny, Amin Salem Milani
Publikováno v:
Dental Research Journal, Vol 20, Iss 1, Pp 83-83 (2023)
Background: This study compared postoperative pain after endodontic treatment of mandibular molars with asymptomatic irreversible pulpitis with the RaCe rotary system and the crown-down versus the step-down technique. Materials and Methods: In this r
Externí odkaz:
https://doaj.org/article/7b7e69fd26bb42eca413495c40174cc8
Autor:
Ahmad Pirzadeh-Ashraf, Mehrdad Lotfi, Ali Zarandi, Ebrahim Yazdani, Aysan Mozafari, Alireza Pornasrollah
Publikováno v:
Dental Research Journal, Vol 15, Iss 2, Pp 146-149 (2018)
Background: Mineral trioxide aggregate (MTA) has a high biocompatibility and its physical properties could be improved by adding the containing silica fume an amorphous silicon dioxide (condensed silica fume [CSF]). The aim of this study was to evalu
Externí odkaz:
https://doaj.org/article/562120582dc843e79daf49184260bf11
Publikováno v:
Journal of Dentistry, Vol 22, Iss 3, Pp 225-225 (2021)
Proper knowledge of the anatomic structure of the root canal system is a vital prerequisite for successful root canal therapy. This report presents the endodontic management a two-rooted lower first premolar with five root canals. A similar case has
Externí odkaz:
https://doaj.org/article/a8c9ee70e81747dab86fdb5458fba29a
Autor:
Amir Ahmad Ajami, Elmira Jafari Navimipour, Siavash Savadi Oskoee, Mehdi Abed Kahnamoui, Mehrdad Lotfi, Mehdi Daneshpooy
Publikováno v:
Journal of Dental Research, Dental Clinics, Dental Prospects, Vol 7, Iss 3, Pp 164-168 (2013)
Background and aims. Present study was designed to compare the bonding strength of resin-modified glass ionomer (RMGI) and composite resin to mineral trioxide aggregate (MTA), MTA mixed with Na2HPO4 (NAMTA), and calciumenriched mixture (CEM). Mate
Externí odkaz:
https://doaj.org/article/60fa5ab5677f43c58d069ba9edf46143
Autor:
Mehrdad Lotfi, Negin Ghasemi, Saeed Rahim, Sepideh Vosoughhosseini, Mohammad Ali Saghiri, Atabak Shahidi
Publikováno v:
Journal of Dental Research, Dental Clinics, Dental Prospects, Vol 7, Iss 3, Pp 119-131 (2013)
Bonding to dentin is a promising property, which can prevent leakage and improve the sealing ability of endodontic filling materials. Resilon was developed and recommended initially because the existing root canal filling materials did not bond to
Externí odkaz:
https://doaj.org/article/f95954e51cb14b9eb222d092aa1ee798
Autor:
Mohammad Ali Saghiri, Nader Tanideh, Franklin Garcia-Godoy, Mehrdad Lotfi, Kasra Karamifar, Dariush Amanat
Publikováno v:
Journal of Dental Research, Dental Clinics, Dental Prospects, Vol 7, Iss 1, Pp 15-21 (2013)
Background and aims. Biocompatibility of root-end filling materials is a matter of debate. The aim of this study was to compare the biocompatibility of a variety of commercial ProRoot WMTA cements and a resin-based cement (Geristore®) with differe
Externí odkaz:
https://doaj.org/article/7fb742cf1c0c4da0b9db2006b49827f4
Autor:
Mehrdad Lotfi, Sepideh Vosoughhosseini, Mohammad Ali Saghiri, Saeed Rahimi, Vahid Zand, Mohammad Forough Reyhani, Mohammad Samiei, Negin Ghasemi, Payman Mehrvarzfar, Shahram Azimi, Noushin Shokohinejad
Publikováno v:
Sultan Qaboos University Medical Journal, Vol 12, Iss 3, Pp 323-329 (2012)
Objectives: The success of endodontic surgery has been shown to depend partly on the apical seal. Grey mineral trioxide aggregate (GMTA) produces hydroxyapatite twice as often as white mineral trioxide aggregate (WMTA) when suspended in a phosphate b
Externí odkaz:
https://doaj.org/article/4541fb5c1d4b4a22b4ba5364862cce9d
Publikováno v:
Journal of Dental Research, Dental Clinics, Dental Prospects, Vol 6, Iss 3, Pp 79-84 (2012)
Background and aims. The aim of the present study was to compare 1.3% sodium hypochlorite (NaOCl) in MTAD (mixture of tetracycline isomer, acid, and detergent) for the removal of the smear layer and induction of canal erosion. Materials and methods
Externí odkaz:
https://doaj.org/article/f79fa89495fa48269514b5dd71dc9e43
Autor:
Mohammad Ali Saghiri, Abbas Delvarani, Payman Mehrvarzfar, Mohsen Nikoo, Mehrdad Lotfi, Kasra Karamifar, Kamal Asgar, Sahar Dadvand
Publikováno v:
Saudi Dental Journal, Vol 23, Iss 3, Pp 149-152 (2011)
Aim: Cytotoxicity of root canal irrigants is important due to their close contact with host tissues. This study was to assess the possible impact of pH on cytotoxic effects of MTAD, 17% EDTA, and 2.6% NaOCl on the human gingival fibroblasts using MTT
Externí odkaz:
https://doaj.org/article/5e8b948ba5e04005af644e6abe307979