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Effect of Streptococcus mutans on the flexural strength of resin-based restorative materials
Haleh Valizadeh Haghi1, Hadi Peeri-Dogaheh2, Sheida Fazlalizadeh3, Malek Abazari4, Reza Mohammadhosseini1
doi : 10.4103/1735-3327.328758
Year : 2021 | Volume : 18 | Issue : 1 | Page : 90
There are a limited number of studies about the effects of microbial aging on the mechanical properties of restorative materials. Therefore, this study aimed to evaluate the effect of simulated aging with Streptococcus mutans on the flexural strength of different resin-based materials.
Evaluation of microleakage in Class II composite restorations: Bonded-base and bulk-fill techniques
Atiyeh Feiz1, Marzieh Sajedi1, Niloufar Jafari2, Edward J. Swift3
doi : 10.4103/1735-3327.328757
Year : 2021 | Volume : 18 | Issue : 1 | Page : 89
This study compared microleakage of Class II cavities restored using bonded-base and bulk-fill techniques with different bases.
Screening of oral squamous cell carcinoma by serum changes: A systematic review and meta-analysis
Forooz Keshani1, Saeedeh Khalesi2, Alireza Aghaz3, Mohammadreza Farhang4, Nabiollah Akbari4
doi : 10.4103/1735-3327.328756
Year : 2021 | Volume : 18 | Issue : 1 | Page : 88
Oral squamous cell carcinoma (OSCC) is the sixth common cancer in the world and 90% of oral malignant tumors. The aim of this study was the investigation of changes in some metabolic elements of OSCC patients' serum.
The effect of silane-containing universal adhesives on the immediate and delayed bond strength of repaired composite restorations
Razieh Hoseinifar1, Niloofar Shadman1, Farnaz Mirrashidi2, Sajad Gholami2
doi : 10.4103/1735-3327.328755
Year : 2021 | Volume : 18 | Issue : 1 | Page : 87
The repair of composite restorations is considered as a conservative treatment for avoiding the risk of pulp injury, the enlargement of cavity preparation, and excess removal of sound dental structure. The aim of this study was to evaluate the effect of silane-containing adhesives on immediate and delayed shear bond strength (SBS) of repaired composite restorations.
Regeneration of dentin-pulp complex by using dental pulp stem cells in dog
Fatemeh Dehghani Nazhvani1, Setareh Kazempour2, Seyed-Mojtaba Hosseini3, Ali Dehghani Nazhvani4, Pardis Haddadi5
doi : 10.4103/1735-3327.328754
Year : 2021 | Volume : 18 | Issue : 1 | Page : 86
Although missing tooth is not life-threatening, it affects the quality of daily life. Stem cells have emerged as an important player in the generation and maintenance of many tissues. The role of scaffolds has changed from a passive carrier to a bioactive matrix, which can be used to induce cellular behavior. The aim of this study was to determine the possibility of regeneration of dentin-pulp complex with dental pulp stem cells (DPSCs) in an animal model.
Comparison of full rotation and reciprocating movements in regaining apical patency during endodontic retreatment
Hadi Nouri, Kamal Amini, Maryam Zare Jahromi
doi : 10.4103/1735-3327.328753
Year : 2021 | Volume : 18 | Issue : 1 | Page : 85
This study aimed to compare the continuous rotation and reciprocating movements of rotary files in achieving apical patency in root canal retreatment.
In vitro comparison of the accuracy (precision and trueness) of eight dental scanners for dental bridge scanning
Fariborz Vafaee1, Mahsa Mohajeri2, Naser Mohammad Gholi Mezerji3, Marouf Ebrahim Zadeh4
doi : 10.4103/1735-3327.328752
Year : 2021 | Volume : 18 | Issue : 1 | Page : 84
Dental scanners play a critical role in computer-aided design/computer-aided manufacturing technology. This study aimed to compare the accuracy (precision and trueness) of eight dental scanners for dental bridge scanning.
Knowledge, attitude, and expertise of nurses in intensive care unit regarding oral and dental care in hospitalized patients.
Abbas Haghighat1, Iman Mohammadi1, Bahareh Tahani2, Farshad Teimoori3
doi : 10.4103/1735-3327.328751
Year : 2021 | Volume : 18 | Issue : 1 | Page : 83
The purpose of this study was conducted to evaluate the knowledge, attitude, and practice of intensive care unit (ICU) nurses about oral and dental care in hospitalized patients.
Evaluation and comparison number of gingival fibroblast and osteosarcoma cell (MG-63 cell line) adhesive to mocugraft, alloderm, and collagen membrane with or without advanced platelet-rich fibrin
Bentol Hoda Reisie, Shirin Zahra Farhad, Shirin Amini Sadeh
doi : 10.4103/1735-3327.328750
Year : 2021 | Volume : 18 | Issue : 1 | Page : 82
The tissue engineering has recently shown a significant progress in the fields of membranes and biosynthetic materials. Advanced platelet-rich fibrin (A-PRF) contains functional molecules that have newly shown great interest in regenerative therapies. The purpose of this study was to evaluate the effect of A-PRF on the adhesion of gingival fibroblast cells and osteosarcoma cells to different membranes.
Effects of a ceramic active self-ligating bracket on retraction/tipping/rotation of canine, premolar mesialization, and transverse arch dimensions: A preliminary single-blind split-mouth randomized clinical trial
Mehrnaz Moradinejad1, Nasim Ghorani2, Majid Heidarpour3, Meysam Noori4, Vahid Rakhshan5
doi : 10.4103/1735-3327.328749
Year : 2021 | Volume : 18 | Issue : 1 | Page : 81
There is no clinical study on ceramic self-ligating brackets (SLBs). Therefore, this preliminary study was conducted for the first time to address its effects.
