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Dental Research Journal

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https://www.readbyqxmd.com/read/28182074/skin-and-mucosal-ischemia-as-a-complication-after-inferior-alveolar-nerve-block
#1
Pedro Christian Aravena, Camila Valeria, Nicolás Nuñez, Francisco Perez-Rojas, Cesar Coronado
The anesthetic block of the inferior alveolar nerve (IAN) is one of the most common techniques used in dental practice. The local complications are due to the failures on the anesthetic block or to anatomic variations in the tap site such as intravascular injection, skin ischemia and ocular problems. The aim of this article is to present a case and discuss the causes of itching and burning sensation, blanching, pain and face ischemia in the oral cavity during the IAN block.
November 2016: Dental Research Journal
https://www.readbyqxmd.com/read/28182073/attitude-toward-public-health-dentistry-as-a-career-among-dental-students-in-odisha-a-cross-sectional-study
#2
Nupur Sharma, Kittu Jain, Soumik Kabasi
BACKGROUND: Knowledge of dental students' expectations of their profession as well as their attitudes to study a particular specialty of dentistry is of great importance. These attitudes and expectations make studying dentistry meaningful to dental students and society and understanding these factors facilitate workforce planning in the dental sector The aim of the study was to assess the attitude of dental students towards considering Public Health Dentistry as their future career. MATERIALS AND METHODS: A questionnaire-based, cross-sectional survey was conducted, which included the 3(rd) year, 4(th) fourth year and dental interns studying in the State of Odisha...
November 2016: Dental Research Journal
https://www.readbyqxmd.com/read/28182072/evaluation-of-the-effects-of-two-different-bone-resorption-inhibitors-on-osteoclast-numbers-and-activity-an-animal-study
#3
Narges Naghsh, Sayed Mohammad Razavi, Mohsen Minaiyan, Mohammad Shahabooei, Reza Birang, Parichehr Behfarnia, Samira Hajisadeghi
BACKGROUND: The aim of this study was to evaluate the effects of bone resorption inhibitors, doxycycline (DOX) and erythromycin (EM), on osseous wound healing in rat alveolar socket. MATERIALS AND METHODS: In this randomized controlled trial, 45 8-10-week-old male Wistar rats had their maxillary right molar extracted. They were divided into three groups of 15. In Group 1 normal saline, Group 2 DOX, and Group 3 EM were administered at the doses of 5 ml/kg/day, 5 mg/kg/day, and 2 mg/kg/day, respectively, for 7 consecutive days...
November 2016: Dental Research Journal
https://www.readbyqxmd.com/read/28182070/analysis-of-lipid-profile-in-cancer-patients-smokers-and-nonsmokers
#4
A Vikramsimha Reddy, Lakshmi Keerthana Killampalli, A Ravi Prakash, Sushma Naag, G Sreenath, Sunil Kumar Biraggari
BACKGROUND: Lipids play an important role in maintaining the cell membrane integrity. Lipid profile is a panel of blood tests that serve as an initial medical screening for abnormalities in lipids and approximate risk for cancer, cardiovascular diseases, pancreatitis, etc., The present study evaluates the alterations in lipid profile in cancer patients, smokers, and nonsmokers and aims to achieve a correlation between them. MATERIALS AND METHODS: The study is an in vitro type of cross-sectional study with 25 oral cancer patients, 25 chronic smokers (habit persisting for 15 years or more), and 15 nonsmokers as control group...
November 2016: Dental Research Journal
https://www.readbyqxmd.com/read/28182066/effects-of-alkaline-treatment-for-fibroblastic-adhesion-on-titanium
#5
Miryam Cuellar-Flores, Laura Susana Acosta-Torres, Omar Martínez-Alvarez, Benjamin Sánchez-Trocino, Javier de la Fuente-Hernández, Rigoberto Garcia-Garduño, Rene Garcia-Contreras
BACKGROUND: The surface energy of titanium (Ti) implants is very important when determining hydrophilicity or hydrophobicity, which is vital in osseointegration. The purpose of this study was to determine how Ti plates with an alkaline treatment (NaOH) affect the adhesion and proliferation of human periodontal ligament fibroblasts (HPLF). MATERIALS AND METHODS: In vitro experimental study was carried out. Type 1 commercially pure Ti plates were analyzed with atomic force microscopy to evaluate surface roughness...
November 2016: Dental Research Journal
https://www.readbyqxmd.com/read/28182065/comparative-evaluation-of-canal-cleaning-ability-of-various-rotary-endodontic-filesin-apical-third-a-scanning-electron-microscopic-study
#6
Ganesh Ranganath Jadhav, Priya Mittal, Anish Kulkarni, Shibli Syed, Ravikiran Bagul, Saina Elahi, Dheeraj Kalra
BACKGROUND: The purpose of this study was to evaluate the canal cleaning ability of three novel endodontic rotary instruments and compare with ProTaper files as a control in apical third of root canals under scanning electron microscopy (SEM). MATERIALS AND METHODS: Eighty freshly extracted mandibular premolars were selected according to inclusion criteria. Buccal cusp tips were ground to ensure having a flat coronal reference point with a total tooth length of 16 mm for all samples...
November 2016: Dental Research Journal
https://www.readbyqxmd.com/read/28182062/the-most-painful-site-of-maxillary-anterior-infiltrations
#7
Roohollah Sharifi, Hesamedin Nazari, Peik Bolourchi, Saber Khazaei, Masoud Parirokh
BACKGROUND: The purpose of this study was to determine the most painful site of infiltration injection in the anterior part of maxilla. MATERIALS AND METHODS: This single-blinded clinical trial was conducted on thirty healthy volunteers. The participants received three maxillary infiltrations injected at the region of central and lateral incisors as well as canines at three separated appointments with a 2-week interval. The outcome variable was pain that measured immediately after needle insertion (time = 0) and during injection of anesthetic solution in 5, 30, and 55 s by a visual analog scale...
November 2016: Dental Research Journal
https://www.readbyqxmd.com/read/28182059/assessment-of-slice-thickness-effect-on-visibility-of-inferior-alveolar-canal-in-cone-beam-computed-tomography-images
#8
Daryoush Goodarzi Pour, Banafsheh Arzi, Ahmad Reza Shamshiri
OBJECTIVE: The aim of this study is to evaluate the effect of slice thickness on the visibility of inferior alveolar canal (IAC) in cone-beam computed tomography (CBCT) images. MATERIALS AND METHODS: CBCT images of thirty patients (15 male and 15 female) with an age range between 40-50 years old were used. Cross-sectional images were obtained with 0.5, 1, and 2 mm slice thickness and 2 mm interval. Two oral radiologists with at least 5 years' of experience observed all of the 90 images and rated the images based on the visibility of IAC in a 4-score classification (highly visible, visible, nearly visible, nearly invisible)...
November 2016: Dental Research Journal
https://www.readbyqxmd.com/read/28182058/physical-activity-among-dental-health-professionals-in-hyderabad-city-a-questionnaire-survey
#9
Adepu Srilatha, Dolar Doshi, M Padma Reddy, Suhas Kulkarni, B Srikanth Reddy, Sahithi Reddy
BACKGROUND: To assess and compare physical activity based on age, gender, marital status, education, and employment among dental health professionals in Hyderabad City, India. MATERIALS AND METHODS: A cross-sectional questionnaire study was conducted among dentists and they were personally interviewed by a single trained interviewer. The frequency (in days) and time (in minutes) spent in doing vigorous- and moderate-intensity activity in a typical week in three domains and sedentary behavior were assessed using 16-item Global Physical Activity Questionnaire...
November 2016: Dental Research Journal
https://www.readbyqxmd.com/read/28182056/botox-as-an-adjunct-to-lip-repositioning-for-the-management-of-excessive-gingival-display-in-the-presence-of-hypermobility-of-upper-lip-and-vertical-maxillary-excess
#10
Lobna Abdel Aly, Nelly Ibrahim Hammouda
BACKGROUND: Excessive gingival display (GD) is a frequent finding that can occur because of various intraoral or extraoral etiologies. This work describes the use of a mucosal repositioned flap for the management of a gummy smile associated with vertical maxillary excess (VME) and hypermobility of the upper lip followed by injection of Botox. MATERIALS AND METHODS: Seven female patients in the age range of 17-25 years presented with a gummy smile. At full smile, the average GD ranged from 6 to 8 mm...
November 2016: Dental Research Journal
https://www.readbyqxmd.com/read/28182055/ultrastructural-analysis-of-oral-exfoliated-epithelial-cells-of-tobacco-smokers-and-betel-nut-chewers-a-scanning-electron-microscopy-study
#11
Sameera Shamim Khan, Balasundari Shreedhar, Mala Kamboj
BACKGROUND: The study was undertaken to correlate epithelial surface pattern changes of oral exfoliated cells of tobacco smokers and betel nut chewers and also to compare them with patients of oral squamous cell carcinoma (OSCC) and healthy individuals. MATERIALS AND METHODS: In this cross-sectional study, a total of fifty persons were included in the study, out of which thirty formed the study group (15 each tobacco smokers and betel nut chewers) and twenty formed the control group (ten each of OSCC patients - positive control and ten normal buccal mucosa - negative control)...
November 2016: Dental Research Journal
https://www.readbyqxmd.com/read/28182054/design-formulation-and-physicochemical-evaluation-of-periodontal-propolis-mucoadhesive-gel
#12
Abolfazl Aslani, Negar Malekpour
BACKGROUND: Periodontitis is a disease of tooth supporting tissues, and Gram-negative Bacteria are the main cause of this. Propolis has antibacterial, anti-inflammatory, and antioxidant effects due to its high polyphenol and flavonoids content. The aim of this study is the formulation of a mucoadhesive gel containing concentrated extract of propolis for treatment of periodontitis. MATERIALS AND METHODS: Formulations containing carbopol 940, sodium carboxymethylcellulose (NaCMC), hydroxypropyl methylcellulose K4M, and propolis extract were prepared...
November 2016: Dental Research Journal
https://www.readbyqxmd.com/read/28182053/correlation-between-dental-caries-experience-and-mutans-streptococci-counts-by-microbial-and-molecular-polymerase-chain-reaction-assay-using-saliva-as-microbial-risk-indicator
#13
S G Damle, Ashish Loomba, Abhishek Dhindsa, Ashu Loomba, Vikas Beniwal
BACKGROUND: The aim of this study was to assess the relationships of quantitative salivary levels of mutans streptococci (MS) in children, aged 3-6 years and 12-15 years, exhibiting variable patterns of caries activity, and to compare the association of MS in saliva using microbial and molecular (polymerase chain reaction [PCR]) assay. MATERIALS AND METHODS: In this cross-sectional observational study, eighty children were included, forty children each in Group I (3-6 years) and Group II (12-15 years)...
November 2016: Dental Research Journal
https://www.readbyqxmd.com/read/28182040/the-effect-of-acrylate-based-dental-adhesive-solvent-content-on-microleakage-in-composite-restorations
#14
Mahboubeh Mirzakhani, Sayed Mostafa Mousavinasab, Mohammad Atai
BACKGROUND: This study aimed to evaluate the effect of different percentages of ethanol solvent of an experimental methacrylate-based dentin bonding agent containing polyhedral oligomeric silsesquioxanes (POSS) on the microleakage of resin composite restorations. MATERIALS AND METHODS: In this experimental study, 42 extracted human premolar teeth used and 84 standard Class V cavities were prepared on the buccal and lingual surfaces of the teeth. The teeth were divided into 6 groups of 7...
November 2016: Dental Research Journal
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
#15
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
#16
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
#17
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
#18
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
#19
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
#20
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
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