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Dental Research Journal

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https://www.readbyqxmd.com/read/27857774/a-case-report-and-short-review-on-changing-trends-in-the-site-of-occurrence-of-adenomatoid-odontogenic-tumor-unravelling-the-past-15-years
#1
Sneha Sethi, Manish Kumar, Pratul Aggarwal, H S Indra Kumar, Chetan D Sugandhi, Silvie Singh
Adenomatoid odontogenic tumor (AOT) is an uncommon benign odontogenic lesion, with debatable histogenesis and variable histopathology. A systematic and diverse insight into the evolution, clinical presentation, histology, and immunohistochemical findings of this lesion is reviewed and presented. We reviewed the data published from 2000 to 2014 of approximately 255 cases that revealed a significant change in the incidence of predominant site involved, in contrast to the findings published by Reichart. We have also included the chronological order of events leading to the coining of the term AOT, which shows the curiosity that has been dedicated to understanding the lesion...
September 2016: Dental Research Journal
https://www.readbyqxmd.com/read/27857773/a-case-report-of-delayed-repositioning-of-intruded-permanent-maxillary-central-incisors-accompanied-by-complicated-crown-fractures-a-2-year-follow-up
#2
Azade Rafiee, Hamid Moradian, Maryam Ayatollahi
Intrusive luxation is the most severe type of dental injury with a complex healing sequence. Pulp necrosis, root resorption (surface, inflammatory and replacement resorption), and defects in marginal periodontal bone healing are the main complications. Treatment strategies can be either active, by repositioning (surgical or orthodontic extrusion), or passive, by spontaneous re-eruption based on the thorough evaluation of the case. This paper reports a case of delayed repositioning of severely intruded permanent maxillary central incisors accompanied by complicated crown fractures after 3 months...
September 2016: Dental Research Journal
https://www.readbyqxmd.com/read/27857772/stafne-bone-cavity-with-ectopic-salivary-gland-tissue-in-the-anterior-of-mandible
#3
Parviz Deyhimi, Soheila Darisavi, Saeideh Khalesi
Stafne bone cavities (SBCs) are uncommon well-demarcated defects of the mandible, which often occur in the posterior portion of the jaw bone and are usually asymptomatic. Furthermore, SBC is found in men aged 50-70-year-old. Anterior mandibular variants of SBC are very rare. This article describes a case of anterior SBC in a 45-year-old man that resembled endodontic periapical lesions. Upon histopathological examination, it turned out to be a normal salivary gland tissue.
September 2016: Dental Research Journal
https://www.readbyqxmd.com/read/27857771/a-histologic-histomorphometric-and-radiographic-comparison-between-two-complexes-of-cenoboen-cenomembrane-and-bio-oss-bio-gide-in-lateral-ridge-augmentation-a-clinical-trial
#4
Babak Amoian, Ehsan Moudi, Maryam Seyed Majidi, S M Ali Tabatabaei
BACKGROUND: Several grafting materials have been used for alveolar ridge augmentation. The literature lacks researches to compare CenoBone to other grafting materials. The aim of this study was to compare CenoBone/CenoMembrane complex to Bio-Oss/Bio-Gide complex in lateral alveolar bone augmentation in terms of radiographic, histologic, and histomorphometric parameters. MATERIALS AND METHODS: In this randomized controlled trial, ten patients who needed lateral ridge augmentation were selected and augmentations were done using either of CenoBone/CenoMembrane or Bio-Oss/Bio-Gide complexes...
September 2016: Dental Research Journal
https://www.readbyqxmd.com/read/27857770/assessment-of-dimensional-accuracy-of-preadjusted-metal-injection-molding-orthodontic-brackets
#5
Shiva Alavi, Farnaz Tajmirriahi
BACKGROUND: the aim of this study is to evaluate the dimensional accuracy of McLaughlin, Bennett, and Trevisi (MBT) brackets manufactured by two different companies (American Orthodontics and Ortho Organizers) and determine variations in incorporation of values in relation to tip and torque in these products. MATERIALS AND METHODS: In the present analytical/descriptive study, 64 maxillary right central brackets manufactured by two companies (American Orthodontics and Ortho Organizers) were selected randomly and evaluated for the accuracy of the values in relation to torque and angulation presented by the manufacturers...
September 2016: Dental Research Journal
https://www.readbyqxmd.com/read/27857769/socket-preservation-using-freeze-dried-bone-allograft-with-and-without-plasma-rich-in-growth-factors-in-dogs
#6
Mohammad Hasan Samandari, Abbas Haghighat, Nakisa Torabinia, Mehdi Taghian, Leyli Sadri, Vahid Naemy
BACKGROUND: Plasma rich in growth factors (PRGF) and freeze-dried bone allograft (FDBA) are shown to promote bone healing. This study was aimed to histologically and histomorphometrically investigate the effect of combined use of PRGF and FDBA on bone formation, and compare it to FDBA alone and control group. MATERIALS AND METHODS: The distal roots of the lower premolars were extracted bilaterally in four female dogs. Sockets were randomly divided into FDBA + PRGF, FDBA, and control groups...
September 2016: Dental Research Journal
https://www.readbyqxmd.com/read/27857768/comparative-assessment-of-antimicrobial-efficacy-of-different-hand-sanitizers-an-in-vitro-study
#7
Vardhaman Mulchand Jain, Gundabaktha Nagappa Karibasappa, Arun Suresh Dodamani, Vishwakarma K Prashanth, Gaurao Vasant Mali
BACKGROUND: To evaluate the antimicrobial efficacy of four different hand sanitizers against Staphylococcus aureus, Staphylococcus epidermidis, Pseudomonas aeruginosa, Escherichia coli, and Enterococcus faecalis as well as to assess and compare the antimicrobial effectiveness among four different hand sanitizers. MATERIALS AND METHODS: The present study is an in vitro study to evaluate antimicrobial efficacy of Dettol, Lifebuoy, PureHands, and Sterillium hand sanitizers against clinical isolates of the aforementioned test organisms...
September 2016: Dental Research Journal
https://www.readbyqxmd.com/read/27857767/exploring-the-missing-link-empathy-among-dental-students-an-institutional-cross-sectional-survey
#8
Vikram Pal Aggarwal, Robin Garg, Nikita Goyal, Puneet Kaur, Sakshi Singhal, Nancy Singla, Deeksha Gijwani, Aditi Sharma
BACKGROUND: Empathy plays an important role in healthy dentist and patient relationship. Hence, the aim of the study is to (a) to measure the self-reported empathy levels among dental undergraduate and postgraduate students. (b) To review the trend of changes in empathy level with experience, age, and gender among dental undergraduate and postgraduate students. MATERIALS AND METHODS: This cross-sectional, questionnaire-based study was carried out in two private dental institutions situated in Sri Ganganagar, India, with a sample size of 978...
September 2016: Dental Research Journal
https://www.readbyqxmd.com/read/27857766/serum-level-of-interleukin-8-in-subjects-with-diabetes-diabetes-plus-oral-lichen-planus-and-oral-lichen-planus-a-biochemical-study
#9
Atefeh Tavangar, Faezeh Khozeimeh, Fereshtehossadat Ghoreishian, Mahsa Abbasi Boroujeni
BACKGROUND: Correlation between diabetes mellitus (DM) and oral lichen planus (OLP) seems probable. Since Interleukin-8 (IL-8) is an important inflammatory mediator involved in both conditions, this study aimed to measure and compare the serum level of IL-8 in DM, OLP, and DM + OLP patients in comparison with healthy individuals. MATERIALS AND METHODS: This cross sectional study was conducted on 75 patients (30 OLP, 5 OLP and type II DM, 20 type II DM, and 20 healthy controls)...
September 2016: Dental Research Journal
https://www.readbyqxmd.com/read/27857765/effect-of-cyclosporin-a-and-angiotensin-ii-on-cytosolic-calcium-levels-in-primary-human-gingival-fibroblasts
#10
Ajitkumar Supraja, Murugan Girija Dinesh, Subbarayan Rajasekaran, Thodur Madapusi Balaji, Suresh Ranga Rao
BACKGROUND: To evaluate the effect of Cyclosporin A (CsA) and angiotensin II (Ang II) on cytosolic calcium levels in cultured human gingival fibroblasts (HGFs). MATERIALS AND METHODS: Healthy gingival samples from six volunteers were obtained, and primary HGFs were cultured. Cell viability and proliferation assay were performed to identify the ideal concentrations of CsA and Ang II. Cytosolic calcium levels in cultured gingival fibroblasts treated with CsA and Ang II were studied using colorimetric assay, confocal and fluorescence imaging...
September 2016: Dental Research Journal
https://www.readbyqxmd.com/read/27857764/dimensional-and-volumetric-analysis-of-the-oropharyngeal-region-in-obstructive-sleep-apnea-patients-a-cone-beam-computed-tomography-study
#11
Tripti Tikku, Rohit Khanna, Kiran Sachan, Akhil Agarwal, Kamna Srivastava, Anubha Lal
BACKGROUND: Obstructive Sleep Apnea (OSA) is a potentially life-threatening condition in which there is a periodic cessation of breathing (for 10 sec or longer) that occurs during sleep in the presence of inspiratory effort. The aim of the study was to assess volumetric and dimensional differences between OSA patients and normal individuals in the upright posture. MATERIAL AND METHOD: The present study was conducted on CBCT scans of 32 patients who were divided into two groups -Group I (control group) and Group II (OSA subjects)...
September 2016: Dental Research Journal
https://www.readbyqxmd.com/read/27857763/prevalence-of-malocclusion-among-iranian-children-a-systematic-review-and-meta-analysis
#12
REVIEW
Maryam Akbari, Kamran Bagheri Lankarani, Behnam Honarvar, Reza Tabrizi, Hossein Mirhadi, Mahmood Moosazadeh
BACKGROUND: The high prevalence of malocclusion is a public health problem in the world and the third priority in oral care. Numerous primary studies have presented reports on the prevalence of malocclusion among Iranian children. In combination, the results of these studies using meta-analysis are highly valuable for health policy-making. Similarly, this study aimed at determining the prevalence of different types of malocclusion among Iranian children. MATERIALS AND METHODS: Using relevant keywords, national and international databases were explored...
September 2016: Dental Research Journal
https://www.readbyqxmd.com/read/27857762/scaffolds-in-regenerative-endodontics-a-review
#13
REVIEW
Kinjal M Gathani, Srinidhi Surya Raghavendra
Root canal therapy has enabled us to save numerous teeth over the years. The most desired outcome of endodontic treatment would be when diseased or nonvital pulp is replaced with healthy pulp tissue that would revitalize the teeth through regenerative endodontics. 'A search was conducted using the Pubmed and MEDLINE databases for articles with the criteria 'Platelet rich plasma', 'Platelet rich fibrin', 'Stem cells', 'Natural and artificial scaffolds' from 1982-2015'. Tissues are organized as three-dimensional structures, and appropriate scaffolding is necessary to provide a spatially correct position of cell location and regulate differentiation, proliferation, or metabolism of the stem cells...
September 2016: Dental Research Journal
https://www.readbyqxmd.com/read/27605998/an-infrequent-histopathological-subtype-of-ameloblastoma-adenoid-granular-cell-ameloblastoma-with-dentinoid
#14
Jahanshah Salehinejad, Mahdi Gholami, Majid Eshghpour, Tahere Mehri
Adenoid ameloblastoma with dentinoid is a rare odontogenic tumor. Granular cell ameloblastoma also is a less common histological subtype of ameloblastoma. In this report, the patient was a 31-year-old male. The lesion was located in the right mandible and was unicystic with well-defined borders. The tumor tissue was showing a combination of follicular, plexiform, and desmoplastic patterns of ameloblastoma with wide areas of granular cells, fibrous stroma, glandular pattern, and dentinoid calcified. Very few cases of distinct forms of ameloblastoma that show the formation of dentinoid has been reported...
July 2016: Dental Research Journal
https://www.readbyqxmd.com/read/27605997/maxillary-tooth-displacement-in-the-infratemporal-fossa
#15
Korosh Roshanghias, Andre Peisker, Jörg Olaf Zieron
Wisdom tooth operations are sometimes accompanied by complications. This case report shows complications during upper jaw third molar removal. Expectable problems during oral surgery should be planned to be solved in advance. Displacement of the third molar during oral surgeries as a considerable complication is rarely discussed scientifically. A good design of flap, adequate power for extraction, and clear view on the surgical field are crucial. Three-dimensional radiographic diagnostics in terms of cone beam computed tomography is helpful after tooth displacement into the infratemporal fossa...
July 2016: Dental Research Journal
https://www.readbyqxmd.com/read/27605996/the-effect-of-intrusive-orthodontic-force-on-dental-pulp-of-adults-versus-adolescents
#16
Mostafa Abtahi, Neda Eslami, Reza Zare Mahmoud Abadi, Saber Pooria Rezaei
BACKGROUND: There is no conclusive evidence on the effect of orthodontic force application on dental pulp tissue. The aim of this study was to compare early and delayed histological effects of intrusive forces on dental pulp of adolescents and adults. MATERIALS AND METHODS: Patients referred to the Department of Orthodontics of Mashhad University of Medical Sciences participated in this study. They were assigned to adult (25-32-year-old) and adolescent (13-18-year-old) Groups...
July 2016: Dental Research Journal
https://www.readbyqxmd.com/read/27605995/radicular-anatomy-of-permanent-mandibular-second-molars-in-an-iranian-population-a-preliminary-study
#17
Nahid M Akhlaghi, Fatemeh Mashadi Abbas, Mostafa Mohammadi, Mohammad Reza Karami Shamloo, Orkideh Radmehr, Ramin Kaviani, Vahid Rakhshan
BACKGROUND: Root morphology is of utmost importance to endodontic sciences. Since there are a few studies on the morphology of mandibular second molars' roots, and some anatomical variables are not evaluated before, the aim of this study was to investigate thoroughly radicular anatomy of this tooth. MATERIALS AND METHODS: This ex vivo study was performed on 150 intact mandibular second molars. After access cavity preparation and ensuring canal patency, Indian ink was injected into root canals from the orifices...
July 2016: Dental Research Journal
https://www.readbyqxmd.com/read/27605994/correlation-of-interleukin-6-174-gc-and-interleukin-6-572-gc-gene-polymorphisms-with-periodontal-disease-in-an-iranian-population
#18
Bahareh Nazemi Salman, Surena Vahabi, Alireza Biglari, Simindokht Salavitabar, Maryam Hassani Doabsari
BACKGROUND: Periodontal disease has a multifactorial etiology. A combination of microbial agents and environmental, habitual, systemic, and genetic risk factors is responsible for the development of periodontal disease. Host immune response causes the destruction of tooth-supporting structure and eventual tooth loss. This study aimed to assess the correlation of interleukin 6 (IL-6) -174-GC and IL-6-572-GC gene polymorphisms with periodontal disease in an Iranian population. MATERIALS AND METHODS: This case-control analytical study was conducted on 129 subjects presenting to the laboratory of Taleghani Hospital...
July 2016: Dental Research Journal
https://www.readbyqxmd.com/read/27605993/oral-health-knowledge-behaviour-and-practices-among-school-children-in-qatar
#19
Mohammed Sultan Al-Darwish
BACKGROUND: The aim of this study was to assess the oral health knowledge behaviour and practices among school children in Qatar. MATERIALS AND METHODS: A cross-sectional study was carried out in Qatar from October 2011 to April 2012. A total of 2200 school children aged 12-14 years were approached from 16 schools of different areas. The information about oral health knowledge and sources of information was obtained through a self-administrated questionnaire. Data analyses were performed...
July 2016: Dental Research Journal
https://www.readbyqxmd.com/read/27605992/evaluation-of-salivary-nitric-oxide-level-in-children-with-early-childhood-caries
#20
A R Senthil Eagappan, V Arun Prasad Rao, S Sujatha, D Senthil, J Sathiyajeeva, G Rajaraman
BACKGROUND: Nitric oxide (NO), a highly reactive radical, participates in the nonspecific natural defense mechanism of the oral cavity. The present study was attempted to evaluate the salivary NO levels in 4-5 year-old children with early childhood caries (ECC). The objective of the present study was to assess the salivary NO concentration in children with different caries activity. MATERIALS AND METHODS: The study included 120 healthy 4.5 year-old children and they were equally divided into three groups based on decayed, missing, filled surfaces (dmfs) score; forty caries-free children (control group), forty children with dmfs 1...
July 2016: Dental Research Journal
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