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Publisher: Medknow Publishers   (Total: 355 journals)

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Showing 1 - 200 of 355 Journals sorted alphabetically
Advanced Arab Academy of Audio-Vestibulogy J.     Open Access  
Advances in Human Biology     Open Access   (Followers: 2)
African J. for Infertility and Assisted Conception     Open Access  
African J. of Business Ethics     Open Access   (Followers: 6)
African J. of Medical and Health Sciences     Open Access   (Followers: 2)
African J. of Paediatric Surgery     Open Access   (Followers: 7, SJR: 0.269, h-index: 10)
African J. of Trauma     Open Access  
Ain-Shams J. of Anaesthesiology     Open Access   (Followers: 3)
Al-Azhar Assiut Medical J.     Open Access  
Al-Basar Intl. J. of Ophthalmology     Open Access   (Followers: 1)
Ancient Science of Life     Open Access   (Followers: 5)
Anesthesia : Essays and Researches     Open Access   (Followers: 9)
Annals of African Medicine     Open Access   (Followers: 1, SJR: 0.331, h-index: 15)
Annals of Bioanthropology     Open Access   (Followers: 4)
Annals of Cardiac Anaesthesia     Open Access   (Followers: 14, SJR: 0.408, h-index: 15)
Annals of Indian Academy of Neurology     Open Access   (Followers: 3, SJR: 0.308, h-index: 14)
Annals of Maxillofacial Surgery     Open Access   (Followers: 6)
Annals of Medical and Health Sciences Research     Open Access   (Followers: 7)
Annals of Nigerian Medicine     Open Access   (Followers: 1)
Annals of Pediatric Cardiology     Open Access   (Followers: 7, SJR: 0.441, h-index: 10)
Annals of Saudi Medicine     Open Access   (SJR: 0.24, h-index: 29)
Annals of Thoracic Medicine     Open Access   (Followers: 5, SJR: 0.388, h-index: 19)
Annals of Tropical Medicine and Public Health     Open Access   (Followers: 12, SJR: 0.148, h-index: 5)
APOS Trends in Orthodontics     Open Access   (Followers: 1)
Arab J. of Interventional Radiology     Open Access  
Archives of Intl. Surgery     Open Access   (Followers: 10)
Archives of Medicine and Health Sciences     Open Access   (Followers: 3)
Archives of Pharmacy Practice     Open Access   (Followers: 6)
Asia Pacific J. of Clinical Trials : Nervous System Diseases     Open Access  
Asia-Pacific J. of Oncology Nursing     Open Access   (Followers: 4)
Asian J. of Andrology     Open Access   (Followers: 1, SJR: 0.879, h-index: 49)
Asian J. of Neurosurgery     Open Access   (Followers: 2)
Asian J. of Oncology     Open Access   (Followers: 1)
Asian J. of Transfusion Science     Open Access   (Followers: 1, SJR: 0.362, h-index: 10)
Astrocyte     Open Access  
Avicenna J. of Medicine     Open Access   (Followers: 1)
AYU : An international quarterly journal of research in Ayurveda     Open Access   (Followers: 6)
Benha Medical J.     Open Access  
BLDE University J. of Health Sciences     Open Access  
Brain Circulation     Open Access  
Bulletin of Faculty of Physical Therapy     Open Access   (Followers: 1)
Cancer Translational Medicine     Open Access   (Followers: 2)
CHRISMED J. of Health and Research     Open Access  
Clinical Dermatology Review     Open Access   (Followers: 2)
Clinical Trials in Degenerative Diseases     Open Access  
Clinical Trials in Orthopedic Disorders     Open Access  
Community Acquired Infection     Open Access  
Conservation and Society     Open Access   (Followers: 10, SJR: 0.82, h-index: 12)
Contemporary Clinical Dentistry     Open Access   (Followers: 4)
Current Medical Issues     Open Access   (Followers: 1)
CytoJ.     Open Access   (Followers: 2, SJR: 0.339, h-index: 19)
Delta J. of Ophthalmology     Open Access  
Dental Hypotheses     Open Access   (Followers: 3, SJR: 0.131, h-index: 4)
Dental Research J.     Open Access   (Followers: 11)
Dentistry and Medical Research     Open Access  
Digital Medicine     Open Access  
Drug Development and Therapeutics     Open Access  
Education for Health     Open Access   (Followers: 6, SJR: 0.205, h-index: 22)
Egyptian J. of Bronchology     Open Access  
Egyptian J. of Cardiothoracic Anesthesia     Open Access  
Egyptian J. of Cataract and Refractive Surgery     Open Access   (Followers: 1)
Egyptian J. of Dermatology and Venerology     Open Access   (Followers: 1)
Egyptian J. of Haematology     Open Access   (Followers: 1)
Egyptian J. of Internal Medicine     Open Access   (Followers: 1)
Egyptian J. of Neurology, Psychiatry and Neurosurgery     Open Access   (Followers: 1, SJR: 0.121, h-index: 3)
Egyptian J. of Obesity, Diabetes and Endocrinology     Open Access  
Egyptian J. of Otolaryngology     Open Access   (Followers: 2)
Egyptian J. of Psychiatry     Open Access   (Followers: 2)
Egyptian J. of Surgery     Open Access   (Followers: 1)
Egyptian Orthopaedic J.     Open Access   (Followers: 1)
Egyptian Pharmaceutical J.     Open Access  
Egyptian Retina J.     Open Access  
Egyptian Rheumatology and Rehabilitation     Open Access  
Endodontology     Open Access  
Endoscopic Ultrasound     Open Access   (SJR: 0.473, h-index: 8)
Environmental Disease     Open Access   (Followers: 2)
European J. of Dentistry     Open Access   (Followers: 2, SJR: 0.496, h-index: 11)
European J. of General Dentistry     Open Access   (Followers: 1)
European J. of Prosthodontics     Open Access   (Followers: 3)
European J. of Psychology and Educational Studies     Open Access   (Followers: 11)
Fertility Science and Research     Open Access  
Formosan J. of Surgery     Open Access   (SJR: 0.107, h-index: 5)
Genome Integrity     Open Access   (Followers: 3, SJR: 1.227, h-index: 12)
Global J. of Transfusion Medicine     Open Access   (Followers: 1)
Heart India     Open Access   (Followers: 1)
Heart Views     Open Access   (Followers: 2)
Hepatitis B Annual     Open Access   (Followers: 3)
IJS Short Reports     Open Access  
Indian Anaesthetists Forum     Open Access  
Indian Dermatology Online J.     Open Access   (Followers: 3)
Indian J. of Allergy, Asthma and Immunology     Open Access   (Followers: 1)
Indian J. of Anaesthesia     Open Access   (Followers: 7, SJR: 0.302, h-index: 13)
Indian J. of Burns     Open Access   (Followers: 1)
Indian J. of Cancer     Open Access   (Followers: 1, SJR: 0.318, h-index: 26)
Indian J. of Cerebral Palsy     Open Access   (Followers: 1)
Indian J. of Community Medicine     Open Access   (Followers: 2, SJR: 0.618, h-index: 16)
Indian J. of Critical Care Medicine     Open Access   (Followers: 2, SJR: 0.307, h-index: 16)
Indian J. of Dental Research     Open Access   (Followers: 4, SJR: 0.243, h-index: 24)
Indian J. of Dental Sciences     Open Access  
Indian J. of Dentistry     Open Access   (Followers: 1)
Indian J. of Dermatology     Open Access   (Followers: 2, SJR: 0.448, h-index: 16)
Indian J. of Dermatology, Venereology and Leprology     Open Access   (Followers: 4, SJR: 0.563, h-index: 29)
Indian J. of Dermatopathology and Diagnostic Dermatology     Open Access  
Indian J. of Drugs in Dermatology     Open Access   (Followers: 1)
Indian J. of Endocrinology and Metabolism     Open Access   (Followers: 4)
Indian J. of Health Sciences     Open Access   (Followers: 2)
Indian J. of Medical and Paediatric Oncology     Open Access   (SJR: 0.292, h-index: 9)
Indian J. of Medical Microbiology     Open Access   (Followers: 1, SJR: 0.53, h-index: 34)
Indian J. of Medical Research     Open Access   (Followers: 4, SJR: 0.716, h-index: 60)
Indian J. of Medical Sciences     Open Access   (Followers: 2, SJR: 0.207, h-index: 31)
Indian J. of Multidisciplinary Dentistry     Open Access   (Followers: 1)
Indian J. of Nephrology     Open Access   (Followers: 2, SJR: 0.233, h-index: 12)
Indian J. of Nuclear Medicine     Open Access   (Followers: 2, SJR: 0.213, h-index: 5)
Indian J. of Occupational and Environmental Medicine     Open Access   (Followers: 3, SJR: 0.203, h-index: 13)
Indian J. of Ophthalmology     Open Access   (Followers: 5, SJR: 0.536, h-index: 34)
Indian J. of Oral Health and Research     Open Access  
Indian J. of Oral Sciences     Open Access   (Followers: 1)
Indian J. of Orthopaedics     Open Access   (Followers: 8, SJR: 0.393, h-index: 15)
Indian J. of Otology     Open Access   (Followers: 1, SJR: 0.218, h-index: 5)
Indian J. of Paediatric Dermatology     Open Access   (Followers: 2)
Indian J. of Pain     Open Access   (Followers: 1)
Indian J. of Palliative Care     Open Access   (Followers: 5, SJR: 0.35, h-index: 12)
Indian J. of Pathology and Microbiology     Open Access   (Followers: 2, SJR: 0.285, h-index: 22)
Indian J. of Pharmacology     Open Access   (SJR: 0.347, h-index: 44)
Indian J. of Plastic Surgery     Open Access   (Followers: 12, SJR: 0.303, h-index: 13)
Indian J. of Psychiatry     Open Access   (Followers: 3, SJR: 0.496, h-index: 15)
Indian J. of Psychological Medicine     Open Access   (SJR: 0.344, h-index: 9)
Indian J. of Public Health     Open Access   (Followers: 1, SJR: 0.444, h-index: 17)
Indian J. of Radiology and Imaging     Open Access   (Followers: 4, SJR: 0.253, h-index: 14)
Indian J. of Research in Homoeopathy     Open Access  
Indian J. of Rheumatology     Open Access   (SJR: 0.169, h-index: 7)
Indian J. of Sexually Transmitted Diseases and AIDS     Open Access   (Followers: 2, SJR: 0.313, h-index: 9)
Indian J. of Social Psychiatry     Open Access   (Followers: 2)
Indian J. of Urology     Open Access   (Followers: 3, SJR: 0.366, h-index: 16)
Indian J. of Vascular and Endovascular Surgery     Open Access   (Followers: 2)
Industrial Psychiatry J.     Open Access   (Followers: 2)
Intl. J. of Academic Medicine     Open Access  
Intl. J. of Advanced Medical and Health Research     Open Access  
Intl. J. of Applied and Basic Medical Research     Open Access  
Intl. J. of Clinical and Experimental Physiology     Open Access   (Followers: 1)
Intl. J. of Critical Illness and Injury Science     Open Access   (Followers: 1)
Intl. J. of Educational and Psychological Researches     Open Access   (Followers: 4)
Intl. J. of Environmental Health Engineering     Open Access   (Followers: 1)
Intl. J. of Forensic Odontology     Open Access   (Followers: 1)
Intl. J. of Green Pharmacy     Open Access   (Followers: 3, SJR: 0.229, h-index: 13)
Intl. J. of Health & Allied Sciences     Open Access   (Followers: 3)
Intl. J. of Health System and Disaster Management     Open Access   (Followers: 3)
Intl. J. of Heart Rhythm     Open Access  
Intl. J. of Medicine and Public Health     Open Access   (Followers: 6)
Intl. J. of Mycobacteriology     Open Access   (SJR: 0.239, h-index: 4)
Intl. J. of Noncommunicable Diseases     Open Access  
Intl. J. of Nutrition, Pharmacology, Neurological Diseases     Open Access   (Followers: 4)
Intl. J. of Oral Health Sciences     Open Access   (Followers: 2)
Intl. J. of Orthodontic Rehabilitation     Open Access  
Intl. J. of Pedodontic Rehabilitation     Open Access  
Intl. J. of Pharmaceutical Investigation     Open Access   (Followers: 1)
Intl. J. of Preventive Medicine     Open Access   (Followers: 1, SJR: 0.523, h-index: 15)
Intl. J. of Shoulder Surgery     Open Access   (Followers: 5, SJR: 0.611, h-index: 9)
Intl. J. of Trichology     Open Access   (SJR: 0.37, h-index: 10)
Intl. J. of Yoga     Open Access   (Followers: 13)
Intl. J. of Yoga : Philosophy, Psychology and Parapsychology     Open Access   (Followers: 5)
Iranian J. of Nursing and Midwifery Research     Open Access   (Followers: 3)
Iraqi J. of Hematology     Open Access  
J. of Academy of Medical Sciences     Open Access  
J. of Advanced Pharmaceutical Technology & Research     Open Access   (Followers: 3, SJR: 0.427, h-index: 15)
J. of Anaesthesiology Clinical Pharmacology     Open Access   (Followers: 7, SJR: 0.416, h-index: 14)
J. of Applied Hematology     Open Access   (Followers: 1)
J. of Association of Chest Physicians     Open Access   (Followers: 2)
J. of Basic and Clinical Reproductive Sciences     Open Access   (Followers: 1)
J. of Cancer Research and Therapeutics     Open Access   (Followers: 5, SJR: 0.359, h-index: 21)
J. of Carcinogenesis     Open Access   (Followers: 1, SJR: 1.152, h-index: 26)
J. of Cardiothoracic Trauma     Open Access  
J. of Cardiovascular Disease Research     Open Access   (Followers: 3, SJR: 0.351, h-index: 13)
J. of Cardiovascular Echography     Open Access   (Followers: 1, SJR: 0.134, h-index: 2)
J. of Cleft Lip Palate and Craniofacial Anomalies     Open Access   (Followers: 2)
J. of Clinical and Preventive Cardiology     Open Access   (Followers: 1)
J. of Clinical Imaging Science     Open Access   (Followers: 1, SJR: 0.277, h-index: 8)
J. of Clinical Neonatology     Open Access   (Followers: 2)
J. of Clinical Ophthalmology and Research     Open Access   (Followers: 3)
J. of Clinical Sciences     Open Access  
J. of Conservative Dentistry     Open Access   (Followers: 4, SJR: 0.532, h-index: 10)
J. of Craniovertebral Junction and Spine     Open Access   (Followers: 4, SJR: 0.199, h-index: 9)
J. of Current Medical Research and Practice     Open Access  
J. of Current Research in Scientific Medicine     Open Access  
J. of Cutaneous and Aesthetic Surgery     Open Access   (Followers: 1)
J. of Cytology     Open Access   (Followers: 1, SJR: 0.274, h-index: 9)
J. of Dental and Allied Sciences     Open Access   (Followers: 2)
J. of Dental Implants     Open Access   (Followers: 7)
J. of Dental Lasers     Open Access   (Followers: 2)
J. of Dental Research and Review     Open Access   (Followers: 1)
J. of Digestive Endoscopy     Open Access   (Followers: 2)
J. of Dr. NTR University of Health Sciences     Open Access  
J. of Earth, Environment and Health Sciences     Open Access   (Followers: 1)
J. of Education and Ethics in Dentistry     Open Access   (Followers: 5)
J. of Education and Health Promotion     Open Access   (Followers: 5)
J. of Emergencies, Trauma and Shock     Open Access   (Followers: 9, SJR: 0.353, h-index: 14)
J. of Engineering and Technology     Open Access   (Followers: 6)
J. of Experimental and Clinical Anatomy     Open Access   (Followers: 2)
J. of Family and Community Medicine     Open Access   (Followers: 2)
J. of Family Medicine and Primary Care     Open Access   (Followers: 11)

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Journal Cover Dental Research Journal
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  This is an Open Access Journal Open Access journal
   ISSN (Print) 1735-3327 - ISSN (Online) 2008-0255
   Published by Medknow Publishers Homepage  [355 journals]
  • The cold ceramic material

    • Authors: Jalil Modaresi, Hamid Reza Hemati
      Pages: 85 - 88
      Abstract: Jalil Modaresi, Hamid Reza Hemati
      Dental Research Journal 2018 15(2):85-88
      The purpose of this paper was to review the composition, sealing ability, biocompatibility and various physical properties of cold ceramic (CC) material that potentially used as a root filling material. The review of the articles was performed by electronic and manual searching methods regarding the properties of CC from November 2000 to May 2016. The results revealed that there were many published reports carried out on the properties of CC. Only one article had extensively studied the composition of CC, five studies had investigated the sealing ability of CC, three articles had studied the biocompatibility, and some studies had investigated the radiopacity, setting time, pH value, and solubility of CC. It was concluded that CC material had good potential for endodontic use. Furthermore, clinical studies are needed in these areas.
      Citation: Dental Research Journal 2018 15(2):85-88
      PubDate: Mon,5 Mar 2018
      DOI: 10.4103/1735-3327.226522
      Issue No: Vol. 15, No. 2 (2018)
       
  • Effects of artifact removal on cone-beam computed tomography images

    • Authors: Hooriyeh Bashizade Fakhar, Raheleh Emami, Kave Moloudi, Farzaneh Mosavat
      Pages: 89 - 94
      Abstract: Hooriyeh Bashizade Fakhar, Raheleh Emami, Kave Moloudi, Farzaneh Mosavat
      Dental Research Journal 2018 15(2):89-94
      Background: Dental implants and metal fillings may cause artifacts in cone-beam computed tomography (CBCT) images and reduce image quality and anatomic accuracy. The purposes of this study are a subjective evaluation of anatomic landmarks and linear bone measurements after applying artifact removal (low–medium) option on CBCT images.Materials and Methods: In this cross-sectional study, thirty CBCT images from thirty qualified patients were selected in a private radiology center. Low and medium artifact removal was applied to images. Three radiologists assessed the visibility of the mandibular canal, mental foramen, and lamina dura in images. Crestal width and bone length were also measured in three groups of images and was compared by exact McNemar test. ICC test (two-way random model, absolute agreement types) was calculated for comparison of linear bone measurements in three images groups. P ≤ 0.05 was considered statistically significant.Results: Percent agreement of determining mental foramen (outline and location), mandibular canal (outline and location), and lamina dura between three groups of images were 100%, 100%, 83.3%, 96.7%, and 56.6%, respectively. The results of exact McNemar test revealed that medium artifact removal group had a statistical difference in lamina dura observation with none and low artifact removal groups (P < 0.001). Intraclass correlation coefficient showed no statistical differences in crestal width and bone length between groups (P < 0.001).Conclusion: Applying artifact removal does not affect the visibility of large anatomical structures and linear bone measurements, but delicate structures such as lamina dura may become less clear after artifact removal.
      Citation: Dental Research Journal 2018 15(2):89-94
      PubDate: Mon,5 Mar 2018
      DOI: 10.4103/1735-3327.226531
      Issue No: Vol. 15, No. 2 (2018)
       
  • Effectiveness of MI Paste Plus and Remin Pro on remineralization and color
           improvement of postorthodontic white spot lesions

    • Authors: Farzin Heravi, Farzaneh Ahrari, Behrad Tanbakuchi
      Pages: 95 - 103
      Abstract: Farzin Heravi, Farzaneh Ahrari, Behrad Tanbakuchi
      Dental Research Journal 2018 15(2):95-103
      Background: This clinical trial investigated the effectiveness of two remineralizing creams on regression of white spot lesions (WSLs) after orthodontic therapy.Materials and Methods: The study included patients with WSLs on their upper anterior teeth who recently completed orthodontic treatment at the Department of Orthodontics of Mashhad Dental School and two private offices. The participants were randomly assigned into three groups by treatment: (1) a 12-week regimen of a cream containing casein phosphopeptide-amorphous calcium phosphate and fluoride (MI Paste Plus); (2) a 12-week regimen of a cream containing hydroxyapatite and fluoride (Remin Pro); and (3) usual home care (control). Thirty-nine patients participated and three withdrew. The main outcomes including area, mineral content, and color of WSLs were measured at enrolment and 4, 8, and 12 weeks later, respectively. Blinding was applied for outcome assessment only. The data were analyzed by analysis of variance and repeated measures analysis at the statistical significance of P < 0.05.Results: Over a 3-month period, the application of both MI Paste Plus and Remin Pro caused significantly greater reduction in area and significantly higher increase in mineral content of WSLs compared to the control group (P < 0.05). The appearance of WSLs improved significantly in both experimental groups (P < 0.05), but not in the control group. No side effect was observed throughout the experiment.Conclusion: The application of either MI Paste Plus or Remin Pro was effective in reducing the area, increasing the mineral content and improving the appearance of demineralized enamel, indicating that these products could be recommended for managing postorthodontic WSLs.
      Citation: Dental Research Journal 2018 15(2):95-103
      PubDate: Mon,5 Mar 2018
      DOI: 10.4103/1735-3327.226532
      Issue No: Vol. 15, No. 2 (2018)
       
  • Visfatin expression in gingival tissues of chronic periodontitis and
           aggressive periodontitis patients: An immunohistochemical analysis

    • Authors: Zahra Alizadeh Tabari, Forooz Keshani, Majid Sharbatdaran, Amirhossein Banishahabadi, Marziyeh Nejatifard, Hossein Ghorbani
      Pages: 104 - 110
      Abstract: Zahra Alizadeh Tabari, Forooz Keshani, Majid Sharbatdaran, Amirhossein Banishahabadi, Marziyeh Nejatifard, Hossein Ghorbani
      Dental Research Journal 2018 15(2):104-110
      Background: Visfatin, also known as nicotinamide phosphoribosyltransferase, has been suggested as a pro-inflammatory and immunomodulating marker for periodontitis. The aim of this study was an immunohistochemical analysis of visfatin in gingival tissues of patients with chronic periodontitis and aggressive periodontitis.Materials and Methods: In this cross-sectional study based on clinical evaluation and inclusion and exclusion criteria. Twenty patients with generalized chronic periodontitis, 13 patients with generalized aggressive periodontitis, and 20 periodontally healthy individuals enrolled. Gingival tissue samples were obtained during periodontal flap surgery and crown lengthening surgery in periodontal patients and healthy group, respectively. Tissue samples were transferred to a pathology laboratory to determine the degree of inflammatory infiltration by hematoxylin and eosin staining and the level of visfatin expression by immunohistochemistry. The data were analyzed using SPSS version 20 statistical software and paired t-test, Mann–Whitney test, and Spearman rank correlation coefficient. P < 0.05 was considered statistically significant.Results: Inflammation grading and visfatin expression were significantly higher in periodontally diseased gingiva compared to the control group (P < 0.05). However, no significant difference was found between two diseased groups. The relationship between inflammation grading and visfatin expression in aggressive periodontitis group was statistically significant, positive and relatively strong (P = 0.025, r = 0.617). However, no significant relationship has been found between visfatin expression and inflammation grading in the chronic periodontitits and control groups (P > 0.05).Conclusion: Visfatin expression was increased in gingival tissues of chronic periodontitis and aggressive periodontitis patients. Hence, visfatin may have a role in the etiopathogenesis of chronic periodontitis and aggressive periodontitis.
      Citation: Dental Research Journal 2018 15(2):104-110
      PubDate: Mon,5 Mar 2018
      DOI: 10.4103/1735-3327.226528
      Issue No: Vol. 15, No. 2 (2018)
       
  • Comparison of antimicrobial effect of Ziziphora tenuior, Dracocephalum
           moldavica, Ferula gummosa, and Prangos ferulacea essential oil with
           chlorhexidine on Enterococcus faecalis: An in vitro study

    • Authors: Bahareh Nazemisalman, Surena Vahabi, Ali Yazdinejad, Fatemeh Haghghi, Mahsa Shabbuii Jam, Fatemeh Heydari
      Pages: 111 - 116
      Abstract: Bahareh Nazemisalman, Surena Vahabi, Ali Yazdinejad, Fatemeh Haghghi, Mahsa Shabbuii Jam, Fatemeh Heydari
      Dental Research Journal 2018 15(2):111-116
      Background: Different irrigating solutions with high antimicrobial activity have been introduced for cleaning of the root canal system. However, effects of Prangos ferulacea (PF), Ziziphora tenuior (ZT), Dracocephalum moldavica (DM), and Ferula gummosa (FG) on oral and dental pathogens have not been extensively evaluated due to their optimal biocompatibility and insignificant side effects. The aim of this study was to evaluate the antibacterial effects of essential oils of mentioned plants on Enterococcus faecalis.Materials and Methods: In this in vitro study the plants were collected from Zanjan Province, Iran. Analysis of the essential oil was carried out by gas chromatography/mass chromatography. Micro-broth dilution and disc diffusion methods were used for assessment of the antimicrobial activity, and minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) were evaluated.Results: All the four essential oils had antibacterial effects on E. faecalis, and ZT had the greatest antibacterial activity. Assessment of the mean diameter of the growth inhibition zone showed higher antibacterial activity of PF and ZT than that of chlorhexidine. The MIC and MBC of ZT showed that the antimicrobial activity of ZT against E. faecalis was greater than that of other plants evaluated in this study.Conclusion: The results of this study indicated significant antibacterial effects of the mentioned plants on E. faecalis. The greatest antimicrobial activity belonged to ZT. The current study suggests extraction of effective compounds in these medicinal plants to use them in the clinical setting.
      Citation: Dental Research Journal 2018 15(2):111-116
      PubDate: Mon,5 Mar 2018
      DOI: 10.4103/1735-3327.226525
      Issue No: Vol. 15, No. 2 (2018)
       
  • A comparative evaluation of Morinda citrifolia, green tea polyphenols, and
           Triphala with 5% sodium hypochlorite as an endodontic irrigant against
           Enterococcus faecalis: An in vitro study

    • Authors: AR Divia, Mali G Nair, Jolly Mary Varughese, Shobha Kurien
      Pages: 117 - 122
      Abstract: AR Divia, Mali G Nair, Jolly Mary Varughese, Shobha Kurien
      Dental Research Journal 2018 15(2):117-122
      Background: Endodontic infections require effective removal of microorganisms from the root canal system for long-term prognosis. Sodium hypochlorite (NaOCl) is the most effective irrigant currently, but potential complications due to its toxicity warrant search for newer alternatives. In this study, the antimicrobial efficacy of Morinda citrifolia (MC), green tea polyphenols and Triphala was compared with 5% NaOCl against Enterococcus faecalis.Materials and Methods: In this in vitro study sixty extracted human premolar teeth were infected with E. faecalis, a Group D Streptococci for 48 h. At the end of 48 h, the vital bacterial population was assessed by counting the number of colony-forming units (CFUs) on blood agar plate. Samples were divided into five groups; Group I (distilled water), Group II (NaOCl), Group III (MC), Group IV (Triphala), and Group V (green tea polyphenols). The samples were irrigated with individual test agents and CFUs were recorded. Kruskal–Wallis test was performed as the parametric test to compare different groups. Student's t-test was used to compare mean values between groups before and after treatment with test agents (P < 0.001).Results: NaOCl was the most effective irrigant the elimination of E. faecalis reinforcing its role as the best irrigant available currently and a gold standard for comparison of the experimental groups. Its antibacterial effect was comparable to Triphala. Among the experimental groups, MC showed the minimum antibacterial effect.Conclusion: The use of herbal alternatives as a root canal irrigant might prove to be advantageous considering the several undesirable characteristics of NaOCl.
      Citation: Dental Research Journal 2018 15(2):117-122
      PubDate: Mon,5 Mar 2018
      DOI: 10.4103/1735-3327.226526
      Issue No: Vol. 15, No. 2 (2018)
       
  • Feasibility of micro-computed tomography to detect and classify proximal
           caries lesions in vitro

    • Authors: Karla Rovaris, Liana Matos Ferreira, Thiago Oliveira Sousa, Leonardo Vieira Peroni, Deborah Queiroz Freitas, Ann Wenzel, Francisco Haiter-Neto
      Pages: 123 - 129
      Abstract: Karla Rovaris, Liana Matos Ferreira, Thiago Oliveira Sousa, Leonardo Vieira Peroni, Deborah Queiroz Freitas, Ann Wenzel, Francisco Haiter-Neto
      Dental Research Journal 2018 15(2):123-129
      Background: Micro-computed tomography (micro-CT) has been widely described as a nondestructive in vitro imaging method although its accuracy for caries detection is still unclear. The aim of this study was to investigate the feasibility of micro-CT to detect and classify proximal caries lesions in posterior teeth, using different protocols.Materials and Methods: In this in vitro study, crowns of 122 human teeth were scanned with Skyscan 1174 (Bruker, Kontich, Belgium) using the full-scan mode (360°). Reconstruction of 900 basis images was performed using NRecon Software (Bruker, Kontich, Belgium) for the protocol 1 (full-scan mode 360°), and 450 basis images were used to reconstruct the protocol 2 (half-scan mode 180°). Three observers analyzed the reconstructed images concerning the presence and depth of proximal caries lesions (244 surfaces). To determine the presence/absence and depth of caries lesions, histological examination was conducted as reference standard level of significance McNemar and McNemar-Bowker tests compared the methods studied and the gold standard (P < 0.05).Results: The intra- and inter-observer agreement for both methods ranged from moderate to excellent. There was no difference between both micro-CT methods and histology for the presence of lesions (P > 0.05). However, both methods differed with the reference standard for depth (P < 0.05). The disagreement occurred mostly in cases of enamel lesions. The highest diagnostic values were found for 180° rotation. Micro-CT performed well in detecting caries lesions compared to histology, meanwhile the classification of their depth presented lower values. Scan mode did not influence the detection.Conclusion: Both protocols of micro-CT tested presented an overall satisfactory performance in detecting proximal caries lesions; however, for the depth classification, the method was not accurate.
      Citation: Dental Research Journal 2018 15(2):123-129
      PubDate: Mon,5 Mar 2018
      DOI: 10.4103/1735-3327.226529
      Issue No: Vol. 15, No. 2 (2018)
       
  • Evaluation of the wettability of a resin-based sealer in contact with some
           herbal irrigants

    • Authors: Mohammadreza Nabavizade, Freshte Sobhnamayan, Hale Bahrami, Mahmoud Rafieian-Kopaei, Abbas Abbaszadegan
      Pages: 130 - 135
      Abstract: Mohammadreza Nabavizade, Freshte Sobhnamayan, Hale Bahrami, Mahmoud Rafieian-Kopaei, Abbas Abbaszadegan
      Dental Research Journal 2018 15(2):130-135
      Background: An ideal root canal irrigant should be able to enhance the wettability of sealer to dentin walls. The aim of this study was to survey the contact angle between AH 26 sealer and dentin surface irrigated by four herbal essential oils, compared with normal saline and 5.25% sodium hypochlorite (NaOCl).Materials and Methods: In this in vitro study, 60 longitudinal dentin slices were obtained from thirty extracted single-rooted human mandibular first premolars. After smear layer removal, the samples were divided into six groups of 10 samples and irrigated for 1 min with the experimental solutions followed by distilled water: G1: Myrtus communis, G2: Cinnamomum zeylanicum, G3: Zataria multiflora (ZM), G4: Cuminum cyminum (CC), G5: normal saline, and G6: NaOCl 5.25%. The contact angle between AH 26 and the samples was measured using Motic Images Plus 2.0 software. Data were analyzed statistically using one-way analysis of variance (P < 0.05 consider significant).Results: All the herbal irrigants, except CC, increased the contact angle of AH 26 sealer (P ≤ 0.05). The least value of contact angle was seen in the samples treated with CC, and the maximum value was observed in samples treated with ZM. 5.25% NaOCl showed a slightly increased contact angle compared to normal saline; however, it was not statistically significant (P > 0.05).Conclusion: Under the experimental condition of this study, CC was able to increase dentin wettability and therefore may be regarded as a promising irrigant after careful evaluation of other properties of this irrigant.
      Citation: Dental Research Journal 2018 15(2):130-135
      PubDate: Mon,5 Mar 2018
      DOI: 10.4103/1735-3327.226527
      Issue No: Vol. 15, No. 2 (2018)
       
  • Cytotoxicity assessment of polyhydroxybutyrate/chitosan/nano- bioglass
           nanofiber scaffolds by stem cells from human exfoliated deciduous teeth
           stem cells from dental pulp of exfoliated deciduous tooth

    • Authors: Batool Hashemi-Beni, Maryam Khoroushi, Mohammad Reza Foroughi, Saeed Karbasi, Abbas Ali Khademi
      Pages: 136 - 145
      Abstract: Batool Hashemi-Beni, Maryam Khoroushi, Mohammad Reza Foroughi, Saeed Karbasi, Abbas Ali Khademi
      Dental Research Journal 2018 15(2):136-145
      Background: The aim of this study was to compare the cytotoxicity and the biocompatibility of three different nanofibers scaffolds after seeding of stem cells harvested from human deciduous dental pulp. Given the importance of scaffold and its features in tissue engineering, this study demonstrated the construction of polyhydroxybutyrate (PHB)/chitosan/nano-bioglass (nBG) nanocomposite scaffold using electrospinning method.Materials and Methods: This experimental study was conducted on normal exfoliated deciduous incisors obtained from 6-year-old to 11-year-old healthy children. The dental pulp was extracted from primary incisor teeth which are falling aseptically. After digesting the tissue with 4 mg/ml of type I collagenase, the cells were cultured in medium solution. Identification of stem cells from human exfoliated deciduous teeth was performed by flowcytometry using CD19, CD14, CD146, and CD90 markers. Then, 1 × 104 stem cells were seeded on the scaffold with a diameter of 10 mm × 0.3 mm. Cell viability was evaluated on days 3, 5, and 7 through methyl thiazol tetrazolium techniques (P < 0.05) on different groups that they are groups included (1) PHB scaffold (G1), (2) PHB/chitosan scaffold (G2), (3) the optimal PHB/chitosan/nBG scaffold (G3), (4) mineral trioxide aggregate (MTA), and (5) the G3 + MTA scaffold (G3 + MTA). Data were analyzed with two-way ANOVA at significance level of P < 0.05.Results: The results indicated that the PHB/chitosan/nBG scaffold and PHB/chitosan/nBG scaffold + MTA groups showed significant difference compared with the PHB/chitosan scaffold and PHB scaffold groups on the 7th day (P < 0.05).Conclusion: Thus, it can be concluded that the scaffold with nBG nanoparticles is more biocompatible than the other scaffolds and can be considered as a suitable scaffold for growth and proliferation of stem cells.
      Citation: Dental Research Journal 2018 15(2):136-145
      PubDate: Mon,5 Mar 2018
      DOI: 10.4103/1735-3327.226524
      Issue No: Vol. 15, No. 2 (2018)
       
  • Effect of containing silica fume on cytotoxicity of white mineral trioxide
           aggregate

    • Authors: Ahmad Pirzadeh-Ashraf, Mehrdad Lotfi, Ali Zarandi, Ebrahim Yazdani, Aysan Mozafari, Alireza Pornasrollah
      Pages: 146 - 149
      Abstract: Ahmad Pirzadeh-Ashraf, Mehrdad Lotfi, Ali Zarandi, Ebrahim Yazdani, Aysan Mozafari, Alireza Pornasrollah
      Dental Research Journal 2018 15(2):146-149
      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 evaluate the cytotoxicity of MTA mixed with CSF on the viability of L929 mouse fibroblast cell using 3-(4,5-dimethylthiazol-2-Yl)-2,5-diphenyltetrazolium bromide reduction assay (MTT assay).Materials and Methods: In this in vitro study white MTA was mixed with distilled water according to the manufacturer's instructions. Mixtures of White MTA with 10%, 15%, and 20% CSF by weight were prepared and mixed with distilled water. Cytotoxicity of mixtures was compared with MTT assay on L929 mouse fibroblast cell line after 24, 48, and 72 h. Differences in cytotoxicity were assessed by one-way analysis of variance (ANOVA).Results: Mean ± SD of vital cell counts cultured in MTA, MTA + 10% CSF, MTA + 15% CSF, and MTA + 20% CSF were 98% ± 6%, 97% ± 6%, 94% ± 4%, and 98% ± 4%, respectively. One-way ANOVA did not reveal any statistically significant difference between the groups (P > 0.05).Conclusion: It may be concluded that addition of CSF to MTA may not influence its cytotoxicity.
      Citation: Dental Research Journal 2018 15(2):146-149
      PubDate: Mon,5 Mar 2018
      DOI: 10.4103/1735-3327.226523
      Issue No: Vol. 15, No. 2 (2018)
       
  • Chair time saving method for treatment of an impacted maxillary central
           incisor with 15-month follow-up

    • Authors: Saeed Noorollahian, Farinaz Shirban
      Pages: 150 - 154
      Abstract: Saeed Noorollahian, Farinaz Shirban
      Dental Research Journal 2018 15(2):150-154
      Maxillary permanent incisors have a major role in facial esthetics. Impaction of them has great adverse effect on smile and causes serious concerns in patient and parents. Physical barriers (e.g., overretained primary teeth, supernumerary teeth, and pathologic lesions), space problems, developmental abnormalities, altered eruption sequence, trauma, palatal clefts, and genetics can act as etiologic factors. Currently, the conventional technique to treatment of impacted teeth consists of a combined orthodontic and surgical approach, to guide the impacted teeth in a constant position and surrounded by normal hard and soft tissues. Treatment is challenging because of some limitations such as patient's age, cooperation, anchorage, and mechanotherapy possibilities. Hence, sophisticated treatment planning is crucial. A 9-year-old girl with horizontally impacted maxillary left central incisor treated with surgical exposure and closed orthodontic forced eruption with 2 × 4 partial setup fixed appliances. Force was applied with 0.014 inch nickel–titanium wire as elastic overlay and handmade ligated bracket. To save chair time in each appointment, the overlay was activated by twisting of ligature wire extensions around it. After 16-month treatment, impacted incisor emerged in oral cavity, with accepted alignment and inclination. Handmade ligated bracket with ligature wire extensions is useful for the treatment of impacted teeth. Due to easy activation of overlay in this method, chair time become short in each appointment.
      Citation: Dental Research Journal 2018 15(2):150-154
      PubDate: Mon,5 Mar 2018
      DOI: 10.4103/1735-3327.226530
      Issue No: Vol. 15, No. 2 (2018)
       
 
 
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