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Journal of Dentistry

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https://www.readbyqxmd.com/read/28620641/a-rare-condition-of-bimaxillary-primary-molar-taurodontism
#1
Avula Jogendra Sai Sankar, Enuganti Sreedevi, Akkala Satya Gopal, Manne Naga Lakshmi
Taurodontism is a relatively rare variance with a very low incidence in primary dentition and only a few cases have been reported in the literature. It stands a challenge when these teeth require pulp therapy. This case report illustrates the oral rehabilitation of multiple primary molars with taurodontism involving both the maxillary and mandibular arches, which is a rare occurrence.
June 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/28620640/solitary-fibrous-tumor-of-retromolar-pad-a-rare-challenging-case
#2
Ali Lotfi, Sepideh Mokhtari, Mohammad Moshref, Maryam Shahla, Saede Atarbashi Moghadam
Solitary fibrous tumor has a wide spectrum of histopathologic features and many tumors show similar microscopic features. This similarity poses diagnostic challenges to the pathologists and immunohistochemical analysis is required in many cases. Moreover, it is a rare entity in orofacial region which consequently would make its diagnosis more challenging in oral cavity. The knowledge of various microscopic patterns of this tumor contributes to a proper diagnosis and prevents unnecessary treatment. This study reports a case of solitary fibrous tumor in the retromolar pad area and discusses its various histological features and differential diagnoses...
June 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/28620639/prevalence-of-human-papilloma-virus-in-sinonasal-papilloma-in-southern-iranian-population
#3
Behnaz Valibeigi, Mohamad Javad Ashraf, Narges Kerdegari, Akbar Safai, Elham Abedi, Bijan Khademi, Negar Azarpira
STATEMENT OF THE PROBLEM: Sinonasal papilloma (SNP) is a rare benign lesion characterized by high recurrence rate and malignant transformation. PURPOSE: This study aimed to investigate the prevalence of human papilloma virus (HPV) infection in these lesions in South of Iran. MATERIALS AND METHOD: In this cross sectional retrospective study, a total of 41 patients, 38 SNP and 3 SNP/Squamous cell carcinoma cases, from 2007 to 2014 were studied...
June 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/28620638/evaluation-of-the-color-stability-of-methyl-methacrylate-and-nylon-base-polymer
#4
Fahimeh Hamedi Rad, Tahereh Ghaffari, Raana Tamgaji
STATEMENT OF THE PROBLEM: Evaluation of the color stability of materials used for the fabrication of the base of complete and partial removable dentures provides important information in relation to their clinical service. The color stability of nylon-based polymers as denture bases, compared to that of acrylic resins, has not been extensively evaluated since to date. PURPOSE: The aim of the present in vitro study was to evaluate the color stability of conventional polymethyl methacrylate and nylon-based polymer materials used for the fabrication of the base of complete and partial removable dentures...
June 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/28620637/evaluation-of-the-effects-of-three-plant-species-myrtus-communis-l-camellia-sinensis-l-zataria-multiflora-boiss-on-the-healing-process-of-intraoral-ulcers-in-rats
#5
Maryam Alsadat Hashemipour, Sodabeh Lotfi, Molok Torabi, Fariba Sharifi, Mehdi Ansari, Amirreza Ghassemi, Saied Sheikhshoaie
STATEMENT OF THE PROBLEM: Use of traditional medicine to relieve human sufferings has a very long history. The effects of these plants in wound curing and subsequently making the best mucosa patch for treatment of oral ulcers is still under investigation. PURPOSE: The main goal of present research work is to assess the efficacy of Myrtus communis L., Camellia sinensis L. and Zataria multiflora Boiss. on oral ulcer recovery process in rats. MATERIALS AND METHOD: In this study, 60 healthy adult male rats in 5 groups were investigated...
June 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/28620636/a-scanning-electron-microscopic-evaluation-of-the-effectiveness-of-etidronic-acid-smearclear-and-mtad-in-removing-the-intracanal-smear-layer
#6
Hemant Kumar Yadav, Rakesh Kumar Yadav, Anil Chandra, Aseem Prakash Tikku
STATEMENT OF THE PROBLEM: Root canal therapy should not simply be the extirpation of the pulp and widening of the canal. But one should also focus on how to completely remove the loosely-attached smear layer because it has adverse effects on the final outcome of the treatment. PURPOSE: This study compared the efficacy of Etidronic acid, SmearClear and MTAD to remove the smear layer created during instrumentation in different regions of the root canal. MATERIALS AND METHOD: Fifty single-rooted mandibular premolars were decoronated from the cementoenamel junction and instrumented using the ProTaper universal rotary file system along with copious irrigation by 1...
June 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/28620635/pioneering-strategies-for-relieving-dental-anxiety-in-hearing-impaired-children-a-randomized-controlled-clinical-study
#7
Shalini Chandrasekhar, Ghanashyam Prasad Madu, Naga Radhakrishna Ambati, Pavani Reddy Suravarapu, Kalyani Uppu, Deepthi Bolla
STATEMENT OF THE PROBLEM: Hearing impaired children have a problem in understanding and comprehending with dental treatments. Visual language is the sensible answer of how to improve communication with them. PURPOSE: To evaluate the applicability of dental sign language in Hearing impaired children in relieving anxiety during stressful dental treatment by improving their means of communication. MATERIALS AND METHOD: This randomized clinical trial was carried out in the Department of Pedodontics and Preventive Dentistry which included 40 Hearing Impaired children meeting inclusion criteria...
June 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/28620634/dental-caries-and-associated-factors-in-children-aged-2-4-years-old-in-mbeya-city-tanzania
#8
Hery Mwakayoka, Joyce Rose Masalu, Emil Namakuka Kikwilu
STATEMENT OF THE PROBLEM: Dental caries in infants and young children is prevalent worldwide; its magnitude and associated factors vary between communities because of cultural and social economic differences. No such information was available for pre-school children in Mbeya city. PURPOSE: To determine dental caries status and associated factors in 2 to 4-year-old children in Mbeya city. MATERIALS AND METHOD: A cross sectional study was conducted among 525 children aged 2-4 years and their parents/caregivers...
June 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/28620633/efficacy-of-human-umbilical-stem-cells-cultured-on-polylactic-polyglycolic-acid-membrane-in-the-treatment-of-multiple-gingival-recession-defects-a-randomized-controlled-clinical-study
#9
Kushal Zanwar, Kiran Kumar Ganji, Manohar L Bhongade
STATEMENT OF THE PROBLEM: Recently allogenic mesenchymal stem cells are proposed to have multipotential progenitor cell capabilities to differentiate into cementoblasts, osteoblasts, and periodontal ligament fibroblasts. PURPOSE: The aim of the present study was to compare the efficacy of human umbilical stem cells cultured on polylactic acid (PLA), polyglycolic acid (PGA) membrane with PLA/PGA membrane alone in the treatment of multiple gingival recession defects...
June 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/28620632/prevalence-of-soft-tissue-calcifications-in-cbct-images-of-mandibular-region
#10
Leila Khojastepour, Abdolaziz Haghnegahdar, Hamed Sayar
STATEMENT OF THE PROBLEM: Most of the soft tissue calcifications within the head and neck region might not be accompanied by clinical symptoms but may indicate some pathological conditions. PURPOSE: The aim of this research was to determine the prevalence of soft tissue calcifications in cone beam computed tomography (CBCT) images of mandibular region. MATERIALS AND METHOD: In this cross sectional study the CBCT images of 602 patients including 294 men and 308 women with mean age 41...
June 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/28620631/the-effect-of-titanium-tetrafluoride-and-sodium-hypochlorite-on-the-shear-bond-strength-of-methacrylate-and-silorane-based-composite-resins-an-in-vitro-study
#11
Farahnaz Sharafeddin, Fatemeh Koohpeima, Nader Razazan
STATEMENT OF THE PROBLEM: The bond strength of composites with different adhesive systems with dentin is an important factor in long term durability of composite restorations. The effect of titanium tetrafluoride (TiF4) as anti caries agent and sodium hypochlorite (NaOCl) as disinfectant on the shear bond of nanofilled and silorane based composite resins have not been investigated in previous studies. PURPOSE: This study was conducted to determine bond strength between dentin and two composite systems, by means of shear bond test using TiF4 and NaOCl...
June 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/28620630/etiology-diagnosis-and-management-of-oromandibular-dystonia-an-update-for-stomatologists
#12
REVIEW
Saeed Raoofi, Hooman Khorshidi, Maryam Najafi
Oromandibular dystonia (OMD) is a rare focal neurological disorder that affects mouth, face, and jaws. This comprehensive literature review aimed to summarize the current evidence for etiology, diagnosis, and management of OMD and assess the possibility of dental origin of the disease and dental treatment plans for these patients. Different online databases namely PubMed, Google scholar, and Scopus were searched. The keywords "oromandibular dystonia", "orofaciomandibular dystonia", "orofacial-buccal dystonia", "lingual dystonia", "jaw dystonia", "cranial dystonia", and "adult-onset facial dystonia" were searched in the title and abstract of publications from 1970 to 2016...
June 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/28293667/congenital-gingival-granular-cell-tumor-a-case-report
#13
Ceren Yıldırım, Tamer Zerener, Metin Şençimen, Özlem Martı Akgün, Hasan Ayberk Altuğ, Ali Fuat Çiçek
The congenital gingival granular cell tumor (CGCT), also as known as congenital epulis, is an unusual benign oral mucosal lesion in newborns. A two-day-old female patient was admitted to the Department of Pediatric Dentistry at Gulhane Medical Academy, Ankara, Turkey with her family, and an intraoral examination showed a CGCT located in the buccal region of the maxillary right first primary molar. In this report, we present a case of CGCT in a newborn.
March 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/28293666/endodontic-management-of-a-maxillary-first-molar-with-seven-root-canals-using-spiral-computed-tomography
#14
Hemant Kumar Yadav, Gaurav Kumar Saini, Harpreet Singh Chhabra, Pratyaksha Singh Panwar
The main objective of this case report is to present a rare root canal configuration of maxillary molar with seven root canals; three mesiobuccal, two palatal and two distobuccal canals diagnosed during treatment procedure confirmed by spiral computed tomography. A thorough knowledge of root canal morphology, proper clinical and radiographic examination, and use of dental operating microscopes are necessary for successful clinical outcomes. This article highlights the variations in the morphology of maxillary first molar and use of the latest techniques in successful diagnosis and negotiation of the additional canals...
March 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/28293665/comparison-of-endodontic-medicaments-on-bond-strength-of-fiber-post-to-root-dentin-using-resin-cement
#15
Maryam Zare Jahromi, Mehrdad Barekatain, Shirin Ravanbod, Parisa Ranjbarian, Sara Kousehlar
STATEMENT OF THE PROBLEM: Endodontic irrigants and medicaments may affect the bond strength of intracanal posts to root dentin. PURPOSE: The aim of this study was to compare the effect of calcium hydroxide (Ca(OH)2) and 2% chlorhexidine gel (CHX) on bond strength of fiber post cemented with resin cement to root dentin. MATERIALS AND METHOD: This in vitro experimental study was conducted on 36 mandibular premolars. Canals were prepared using the step back technique...
March 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/28293664/the-expression-of-b7-h3-molecule-in-periodontal-disease
#16
Saumya John, Arun Kurumathur, Avaneendra Talwar, Keerthana Kumar, Teenu Abraham, Ananthi Alagiri, Gnanasagar Walaja, Jasmine Clements
STATEMENT OF THE PROBLEM: T cells have been shown to play a role in the etiopathogenesis of periodontal disease. B7-H3, a costimulatory molecule, is found to be associated with regulation of T cell function in some tumoral tissues, as well as autoimmune and inflammatory diseases. PURPOSE: The aim of this study was to investigate the expression of B7-H3 molecule in healthy and diseased gingival tissue samples. MATERIALS AND METHOD: Gingival samples were taken from 2 groups (A and B) representing periodontal health and periodontal disease, respectively...
March 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/28280761/comparison-of-candida-albicans-adherence-to-conventional-acrylic-denture-base-materials-and-injection-molding-acrylic-materials
#17
Masoomeh Aslanimehr, Shirin Rezvani, Ali Mahmoudi, Najmeh Moosavi
STATEMENT OF THE PROBLEM: Candida species are believed to play an important role in initiation and progression of denture stomatitis. The type of the denture material also influences the adhesion of candida and development of stomatitis. PURPOSE: The aim of this study was comparing the adherence of candida albicans to the conventional and injection molding acrylic denture base materials. MATERIALS AND METHOD: Twenty injection molding and 20 conventional pressure pack acrylic discs (10×10×2 mm) were prepared according to their manufacturer's instructions...
March 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/28280760/the-shear-bond-strength-of-porcelain-laminate-to-prepared-and-unprepared-anterior-teeth
#18
Ali Asghar Alavi, Zeinab Behroozi, Farid Nik Eghbal
STATEMENT OF THE PROBLEM: Porcelain laminate veneer is an esthetic restoration used as an alternative to full veneer crowns and requires minimal tooth preparation. In restoration with porcelain laminate veneers, both the longevity of the laminate and conservation of the sound tooth structure are imperative. PURPOSE: The present study aimed to investigate the shear bond strength of porcelain laminates to prepared- and unprepared- anterior teeth in order to compare their longevity and success rate...
March 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/28280759/immunohistochemical-comparison-of-the-expression-of-cd34-and-cd105-in-odontogenic-keratocyst-and-dentigerous-cyst
#19
Shokoofeh Jamshidi, Massoumeh Zargaran, Ghodratollah Roshanaei, Fatemeh Hadadi, Ali Dehghani Nazhvani
STATEMENT OF THE PROBLEM: Odontogenic keratocyst (OKC) is a developmental odontogenic cyst with specific histopathological features, high recurrence rate, and aggressive clinical behavior. Angiogenesis might be considered as an important factor for the growth, expansion, and distribution of this lesion. PURPOSE: The aim of the present study was to determine the mean vascular densities (MVD) of OKCs and dentigerous cysts to evaluate their relationship with the biologic behavior of these lesions...
March 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/28280758/effect-of-beta-blockers-on-number-of-osteoblasts-and-osteoclasts-in-alveolar-socket-following-tooth-extraction-in-wistar-rats
#20
Katayoun Sadr, Amirala Aghbali, Makan Sadr, Hamed Abachizadeh, Maryam Azizi, Mehran Mesgari Abbasi
STATEMENT OF THE PROBLEM: Various researchers have suggested the use of β2-adrenergic receptor antagonists in prevention or treatment of bone resorption. PURPOSE: This study aimed to evaluate the effect of β2-adrenergic receptor antagonists on number of osteoclasts and osteoblasts involved in the healing of extraction socket of maxillary first molar in rats. MATERIALS AND METHOD: Maxillary first molars of 40 rats were extracted and divided into two groups...
March 2017: Journal of Dentistry
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