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Journal of Dentistry

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https://www.readbyqxmd.com/read/29854892/myofibroma-as-a-rapidly-growing-gingival-mass-in-a-4-year-old-boy-a-case-report
#1
Saede Atarbashi-Moghadam, Ali Lotfi, Shokoufeh Shahrabi-Farahani, Fazele Atarbashi-Moghadam
Solitary myofibroma is an uncommon benign soft tissue neoplasm of myofibroblastic origin exhibiting head and neck region predilection but its presence in the jaws is rare. Myofibroma presents as painless mass and may demonstrate rapid enlargement and growth that clinically mimic malignancies. This report presents a 4-year-old male patient with a rapidly growing mandibular gingival mass with some evidence of underlying alveolar bone destruction. Incisional biopsy was performed and the specimen was stained with hematoxylin and eosin and immunohistochemical antibodies for αSMA, CD34, S100 and desmin...
June 2018: Journal of Dentistry
https://www.readbyqxmd.com/read/29854891/immune-thrombocytopenic-purpura-detected-with-oral-hemorrhage-a-case-report
#2
Tsutomu Sugiura, Kazuhiko Yamamoto, Kazuhiro Murakami, Satoshi Horita, Yumiko Matsusue, Chie Nakashima, Tadaaki Kirita
Immune thrombocytopenic purpura (ITP) is an immune-mediated acquired disease found in both adults and children. It is characterized by transient or persistent decreases in the platelet count. We report a case of ITP detected based on oral hemorrhagic symptoms. The patient was a 79-year-old female with no significant past medical history. She presented with sudden onset of gingival bleeding and hemorrhagic bullae on the buccal mucosa. Gingival bleeding was difficult to control. Laboratory tests revealed severe thrombocytopenia with a platelet count as low as 2000/μL...
June 2018: Journal of Dentistry
https://www.readbyqxmd.com/read/29854890/ergonomic-evaluation-of-dental-professionals-as-determined-by-rapid-entire-body-assessment-method-in-2014
#3
Fatemeh Jahanimoghadam, Azadeh Horri, Naimeh Hasheminejad, Naser Hashemi Nejad, Mohammad Reza Baneshi
Statement of the Problem: In dentistry, incorrect working posture is the most important cause of musculoskeletal disorders. Purpose: The aim of this research was to evaluate the work postures of general dentists and specialists using rapid entire body assessment (REBA) method. Materials and Method: In this cross-sectional study, work postures were assessed in 90 dentists by employing REBA method. Stratified sampling method was used. Data were analyzed by analysis of variance (ANOVA), Independent t-test and Pearson's correlation test in SPSS 19...
June 2018: Journal of Dentistry
https://www.readbyqxmd.com/read/29854889/a-comparative-study-of-macrophage-density-in-odontogenic-cysts-and-tumors-with-diverse-clinical-behavior
#4
Maryam Kouhsoltani, Mahsa Abdolhosseinzadeh, Ayla Bahramian, Maedeh Vakili Saatloo, Fatemeh Dabbaghi Tabriz, Tala Pourlak
Statement of the Problem: Macrophages are the target of attention in numerous diseases. Many studies reported them as the regulators of the growth, dissemination, and clinical behavior of various lesions. There are relatively scarce data regarding the role of macrophages in oral lesions, particularly odontogenic lesions. Purpose: This study investigated the macrophage density in odontogenic lesions of diverse biologic performance. Materials and Method: In this comparative analytical study, 60 cases of odontogenic lesions including ameloblastoma, keratocystic odontogenic tumor, dentigerous cyst, and radicular cyst were immunohistochemically stained with anti-CD68 antibody...
June 2018: Journal of Dentistry
https://www.readbyqxmd.com/read/29854888/comparison-of-the-bony-changes-of-tmj-in-patients-with-and-without-tmd-complaints-using-cbct
#5
Shoaleh Shahidi, Parisa Salehi, Parnian Abedi, Mehrnoush Dehbozorgi, Shahram Hamedani, Nazanin Berahman
Statement of the Problem: Temporomandibular joint disorders (TMD) may show a poor correlation between their clinical findings and radiological characteristics. Purpose: The aim of this study was to assess the osseous alterations of temporomandibular joint (TMJ) in symptomatic and asymptomatic subjects by employing cone beam computed tomography (CBCT) images. Materials and Method: In this study, CBCT images of 120 temporomandibular joints in 30 patients with TMJ disorder and 30 age- and sex-matched individuals without TMJ complaints were evaluated...
June 2018: Journal of Dentistry
https://www.readbyqxmd.com/read/29854887/study-of-extrinsic-apoptotic-pathway-in-oral-pemphigus-vulgaris-using-tnfr-1-and-fasl-immunohistochemical-markers-and-tunel-technique
#6
Parviz Deyhimi, Batoul Alishahi
Statement of the Problem: Pemphigus vulgaris is characterized by intraepithelial vesicles, but pathogenesis of vesicle formation in this disease has not been substantiated yet. Purpose: The present study investigate extrinsic apoptotic pathway in oral pemphigus vulgaris using TUNEL and important immunohistochemical markers of extrinsic pathway, TNFR1 and FasL. Materials and Method: In the present cross sectional study, 25 oral pemphigus vulgaris samples and 6 normal oral mucosa were analyzed for the presence of apoptosis by TUNEL and the staining of TNFR1 and FasL in basal and parabasal layers around vesicle, vesicle floor, vesicle roof and acantholytic cells...
June 2018: Journal of Dentistry
https://www.readbyqxmd.com/read/29854886/comparison-of-osteogenic-and-chondrogenic-differentiation-ability-of-buccal-fat-pad-derived-mesenchymal-stem-cells-and-gingival-derived-cells
#7
Hamid Ghaderi, Mahboobeh Razmkhah, Farin Kiany, Nooshafarin Chenari, Mohammad Reza Haghshenas, Abbas Ghaderi
Statement of the Problem: One major goal of tissue engineering and regenerative medicine is to find an appropriate source of mesenchymal stem cells (MSCs) with higher differentiation ability. Purpose: In this experimental study, the osteogenic and chondrogenic differentiation ability of buccal fat pad derived MSCs (BFP-MSCs) with gingival derived cells (GDCs) were compared. Materials and Method: BFP-MSCs and GDCs were cultured enzymatically and expanded...
June 2018: Journal of Dentistry
https://www.readbyqxmd.com/read/29854885/immunohistochemical-study-of-p53-expression-in-patients-with-erosive-and-non-erosive-oral-lichen-planus
#8
Atena Shiva, Ali Zamanian, Shahin Arab, Mahsa Boloki
Statement of the Problem: Oral lichen planus is a common mucocutaneous lesion with a chronic inflammatory process mediated by immune factors while a few cases of the disease become malignant. Purpose: This study aimed to determine the frequency of p53 marker as a tumor suppressor in patients with erosive and non-erosive oral lichen planus (OLP) by using immunohistochemical methods. Materials and Method: This descriptive cross-sectional study investigated the p53 expression in 16 erosive OLP, 16 non-erosive OLP samples, and 8 samples of normal oral mucosa through immunohistochemistry...
June 2018: Journal of Dentistry
https://www.readbyqxmd.com/read/29854884/arg753gln-and-arg677-trp-polymorphisms-of-toll-like-receptor-2-in-acute-apical-abscess
#9
Ebrahim Miri-Moghaddam, Narges Farhad Mollashahi, Nava Naghibi, Yasaman Garme, Ali Bazi
Statement of the Problem: Genetic polymorphisms can alter immunity response against pathogens, which in turn influence individuals' susceptibility to certain infections. Purpose: Our aim was to determine the association of Arg753Gln (rs5743708) and Arg677Trp (rs12191786) polymorphisms of toll like receptor-2 gene with the two clinical forms of apical periodontitis: acute apical abscess (AAA) and asymptomatic apical periodontitis (AAP). Materials and Method: There were 50 patients with AAA as case group and 50 with AAP as control group...
June 2018: Journal of Dentistry
https://www.readbyqxmd.com/read/29854883/factors-affecting-dental-caries-of-preschool-children-in-shiraz-2014
#10
Soheila Shaghaghian, Masoud Abolvardi, Marzieh Akhlaghian
Statement of the Problem: Dental caries, the most common infectious disease, can lead to several consequences, including inflammation and bleeding of the gum, abscess formation, tooth loss, and subsequently loss of available space in the arch. Purpose: This study was designed to determine dental caries status of Shiraz preschool children and its related factors. Materials and Method: This cross-sectional study was conducted on the children registered in Shiraz kindergartens in 2014...
June 2018: Journal of Dentistry
https://www.readbyqxmd.com/read/29854882/comparative-evaluation-of-penetration-ability-of-three-pit-and-fissure-sealants-and-their-relationship-with-fissure-patterns
#11
Nikita Garg, K R Indushekar, Bhavna Gupta Saraf, Neha Sheoran, Divesh Sardana
Statement of the Problem: Pit and fissure sealant placement is considered as an effective modality for prevention of caries on occlusal surfaces. Penetration, retention and lateral wall adaptation are the key factors in success of pit and fissure sealant restorations. Purpose: The purpose of this paper was to compare penetration ability and lateral wall adaptation of three commercially available pit and fissure sealants. Materials and Method: The present in-vitro study was done on 45 extracted sound human molars to evaluate the fissure pattern and assess the penetration ability of three commercially available sealants [Delton® FS Sealant (Dentsply DeTrey GmbH, Konstanz, Germany), Clinpro™ Sealant (3M™ ESPE™, Minnesota, USA) and GC Fuji VII Glass Ionomer Cement (GC Asia Dental Pte Ltd, Singapore)] on molars divided into 3 equal groups of 15 each, with further sectioning of each sample into 2 parts giving 30 samples per group...
June 2018: Journal of Dentistry
https://www.readbyqxmd.com/read/29854881/comparison-of-dental-panoramic-radiography-and-cbct-for-measuring-vertical-bone-height-in-different-horizontal-locations-of-posterior-mandibular-alveolar-process
#12
Shoaleh Shahidi, Barbad Zamiri, Masoud Abolvardi, Marzieh Akhlaghian, Maryam Paknahad
Statement of the Problem: Accurate measurement of the available bone height is an essential step in the pre-surgical phase of dental implantation. Panoramic radiography is a unique technique in the pre-surgical phase of dental implantations because of its low cost, relatively low-dose, and availability. Purpose: This article aimed to assess the reliability of dental panoramic radiographs in the accurate measurement of the vertical bone height with respect to the horizontal location of the alveolar crest...
June 2018: Journal of Dentistry
https://www.readbyqxmd.com/read/29492420/piezopuncture-assisted-canine-distalization-in-orthodontic-patients-two-case-reports
#13
Maryam Omidkhoda, Mehrdad Radvar, Majid Azizi, Nadia Hasanzadeh
With the increasing number of young adults seeking orthodontic treatment to improve their smile esthetics or oral function, the time spent wearing brackets is one of the biggest challenges for these patients. Various surgical techniques have been developed over the years to accelerate tooth movement and reduce the total treatment time. A newly introduced, minimally invasive procedure namely piezopuncture, which uses a piezosurgical tool to create multiple cortical punctures through the gingiva, is presented in this report of two extraction cases...
March 2018: Journal of Dentistry
https://www.readbyqxmd.com/read/29492419/adenoid-squamous-cell-carcinoma-of-oral-cavity-a-case-report
#14
Chandrakala J, Sahana Srinath, Girish Giraddi, Rohit Kumar Kendole
Adenoid squamous cell carcinoma is a rare variant of squamous cell carcinoma with features of adenoid pattern. It has been reported to originate in the sun- exposed skin of the head and neck region. Although rare, there are cases documented within the oral cavity and nasopharynx. The clinical behaviour and the prognosis are variable. We report a case of adenoid squamous cell carcinoma in a 63-year-old female patient presented with a large mass in the left mandibular alveolar ridge. Histologically, the lesion showed areas of conventional squamous cell carcinoma along with atypical epithelial cells forming a glandular pattern...
March 2018: Journal of Dentistry
https://www.readbyqxmd.com/read/29492418/diagnostic-efficacy-of-deeper-sections-in-routine-oral-histopathology-practice-a-retrospective-study
#15
Achla Bharti Yadav, Mala Kamboj, Anjali Narwal, Anju Devi
Statement of the Problem: Histopathology is a gold standard diagnostic tool for oral lesions. Nonspecific and overlapping microscopic features often pose diagnostic challenges in routine practice. In such conditions, deeper sections have utility to enhance the sensitivity and accuracy of the diagnosis. Purpose: To analyze the percentage of deeper sections requested and to evaluate the diagnostic efficacy of these deeper sections in routine oral histopathology practice...
March 2018: Journal of Dentistry
https://www.readbyqxmd.com/read/29492417/pain-perception-due-to-dental-injection-by-smartject-split-mouth-design-study
#16
Faezeh Ghaderi, Mahboobe Ahmadbeigi
Statement of the Problem: Dental injection is one of the most fearful procedures in dental setting, especially for children. Many researchers have attempted to find a painless method. As computer controlled local anesthesia delivery system devices (CCLADs) allow the speed rate and pressure of injection solution to be controlled, they may cause less pain during injection in comparison to the conventional method. Purpose: The aim of this study was to compare pain perception in dental injection by Smartject with conventional technique...
March 2018: Journal of Dentistry
https://www.readbyqxmd.com/read/29492416/effects-of-universal-and-conventional-mdp-primers-on-the-shear-bond-strength-of-zirconia-ceramic-and-nanofilled-composite-resin
#17
Farahnaz Sharafeddin, Soodabe Shoale
Statement of the Problem: The clinical success of ceramic depends on the quality of the bond between the zirconia and resin cement. Purpose: In the present study, the effects of universal and conventional MDP-containing primers were evaluated on the shear bond strength of zirconia ceramic and nanofilled composite resin. Materials and Method: Thirty blocks of zirconia ceramic (6mm×2mm) were prepared. Then the inner surfaces were air-abraded and divided into three groups (n= 10) as follows: untreated with primer (control group, I); All- Bond Universal (group II) and Z-Prime Plus (group III)...
March 2018: Journal of Dentistry
https://www.readbyqxmd.com/read/29492415/evaluation-of-infraorbital-canal-in-cone-beam-computed-tomography-of-maxillary-sinus
#18
Abdolaziz Haghnegahdar, Leila Khojastepour, Atefe Naderi
Statement of the Problem: Ignoring anatomic variations may lead to iatrogenic injuries by surgeons. Purpose: The aim of this study was to examine the relationship between the course of infraorbital canal and maxillary sinus using cone beam computed tomography scans (CBCT). Materials and Method: One hundred and ninety two CBCT scans were reviewed for 384 infraorbital canals. The anatomic variants of infraorbital canals were classified into three types based on the protrusion degree of the infraorbital nerve from the maxillary roof into the sinus...
March 2018: Journal of Dentistry
https://www.readbyqxmd.com/read/29492414/comparison-the-pain-relief-of-amitriptyline-mouthwash-with-benzydamine-in-oral-mucositis
#19
Shahla Kakoei, Abbas Pardakhty, Maryam-Al-Sadat Hashemipour, Hasan Larizadeh, Behjat Kalantari, Elaheh Tahmasebi
Statement of the Problem: A significant proportion of patients undergoing chemotherapy or radiotherapy suffer from mucositis. The first symptom of oral mucositis is pain. Severe pain, burning sensation, and discomfort in the oral cavity make it difficult to continue treatment and even continue living in these patients. Purpose: The aim of this study was to evaluate and compare the effect of amitriptyline mouthwash (in two forms of simple and niosomal) as a local anesthetic agent with benzydamine HCl mouthwash in oral mucositis after radiotherapy or chemotherapy...
March 2018: Journal of Dentistry
https://www.readbyqxmd.com/read/29492413/efficiency-of-castor-oil-as-a-storage-medium-for-avulsed-teeth-in-maintaining-the-viability-of-periodontal-ligament-cells
#20
Mohammadreza Nabavizadeh, Abbas Abbaszadegan, Afrooz Khodabakhsi, Shamseddin Ahzan, Davood Mehrabani
Statement of the Problem: Researchers always seek a new storage medium for avulsed teeth. Castor oil is a vegetable oil with several advantages such as antimicrobial and antioxidant properties, low toxicity, and glutathione preservation capability, low cost, and high availability. Purpose: The purpose of this study was to evaluate and compare the capacity of castor oil as a new storage medium in preserving the viability of periodontal ligament (PDL) cells compared to Hank's balanced salt solution (HBSS) and milk...
March 2018: Journal of Dentistry
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