Sealing efficacy of mineral trioxide aggregate with and without nanosilver for root end filling: An bacterial leakage study.

Background: Various materials have been added to mineral trioxide aggregate to enhance its properties. This study was aimed to compare the sealing efficacy of MTA with and without nanosilver using bacterial leakage approach.

Material And Methods: Seventy canine teeth were prepared and obturated.

Antibacterial efficacy of polymer containing nanoparticles in comparison with sodium hypochlorite in infected root canals.

Aim: The aim of the present study was to compare the antibacterial properties of PLGA polymer containing ZnO, Ag and ZnO/Ag nanoparticles with those of 2.5% NaOCl in root canals contaminated with Enterococcus faecalis.

Methods: A total of 100 maxillary central incisors were selected.

Evaluation of gram negative bacterial contamination in dental unit water supplies in a university clinic in tabriz, iran.

Background And Aims: Bacterial contamination of dental unit water supplies (DUWS) has attracted a lot of attention in recent years due to the emergence of serious infectionsin susceptible dental patients. The aim of the present study was to evaluate the presence of gram-negative bacterial contamination in DUWS at Tabriz University of Medical Sciences Faculty of Dentistry.

Materials And Methods: This descriptive study was carried out on 51 active dental units in different departments.

Influence of the display monitor on observer performance in detection of dental caries.

Background And Aims: Digital imaging continues to gain acceptance in dentistry and video display used for this becomes important. The aim of this study was to assess the influence of the display monitor on observer performance on caries detection.

Materials And Methods: Artificial enamel lesions were created in 40 extracted teeth at random using 1/4 and 1/2 round burs.

The Effect of 0.2% Sodium Fluoride Mouthwash in Prevention of Dental Caries According to the DMFT Index.

Background And Aims: Dental caries still remains a major problem in the field of oral and dental health and its prevention is more important than its treatment. Fluoride plays a significant role in prevention of caries, and improving oral and dental health. One of the common ways of fluoride use is the use of a fluoride-containing mouthwash, the most important of which in use is 0.