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Journal of Clinical and Experimental Dentistry

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https://www.readbyqxmd.com/read/28638564/glandular-odontogenic-cyst-associated-with-ameloblastoma-case-report-and-review-of-the-literature
#1
Timothée Cousin, Samuel Bobek, Dolphine Oda
Glandular odontogenic cyst (GOC) associated with ameloblastoma is an exceedingly rare histologic presentation with no known clinical significance or treatment applications. Four cases have been reported, three in the mandible and one in the maxilla. The age range is 14-65 and with male predilection. All four presented with swellings and two with pain. We add one more case to the literature of a 58-year old male presenting with an expansile multilocular radiolucency between teeth #19-23. The ameloblastomatous changes in this case are consistent with those of a unicystic ameloblastoma-mural subtype...
June 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28638563/extraskeletal-myxoid-chondrosarcoma-of-the-masticator-space-in-a-pediatric-patient
#2
Mário-José Romañach, Román Carlos, Michel Nuyens, Bruno-Augusto-Benevenuto de Andrade, Oslei-Paes de Almeida
Extraskeletal myxoid chondrosarcoma (EMC) is a malignant soft-tissue neoplasm rarely described in the head and neck region of children and adolescents. We describe a case of EMC affecting the masticator space and a literature review. A 13-year-old boy who presented a large painless, diffuse mass causing progressive midfacial asymmetry of 6 months duration. Histopathological evaluation revealed a multinodular lesion, containing scattered round vacuolated tumor cells dispersed in an abundant myxoid stroma, separated by fibrous septae...
June 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28638562/a-rare-case-of-oral-multisystem-langerhans-cell-histiocytosis
#3
Maria-Teresa Facciolo, Francesco Riva, Patrizia Gallenzi, Romeo Patini, Domenico Gaglioti
Langerhans cell histiocytosis (LCH) is a rare disorder characterized by high proliferation of Langerhans dendritic cells. LCH is a solitary or multifocal disease that primarily involves bone tissue and often affects children and young men. A 29 years-old Caucasian man was referred to the Oral Surgery Unit of George Eastman Hospital - Umberto I teaching hospital, with third degree mobility of teeth belonging to second, third and fourth quadrant. Panoramic radiograph showed multiple radiolucent areas with well demarcated borders on the right and left site of the mandible and on the left site of the maxilla...
June 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28638561/importance-and-methodologies-of-endodontic-microleakage-studies-a-systematic-review
#4
REVIEW
Farnaz Jafari, Sanaz Jafari
INTRODUCTION: It is very important to obtain a tight seal in obturated root canal, making it necessary to conduct clinical or laboratory studies on the sealability of endodontic materials. Different methodologies have been historically used to assess microleakage of different endodontic materials. The aim of the present study was to comprehensively review different material testing methods used in microleakage studies, their interpretation and importance in endodontic literature. MATERIAL AND METHODS: A systematic search was conducted in Medline, Cochrane, and Web of Science databases...
June 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28638560/effects-of-different-percentages-of-microhydroxyapatite-on-microhardness-of-resin-modified-glass-ionomer-and-zirconomer
#5
Farahnaz Sharafeddin, Soodabe Shoale, Mahsa Kowkabi
BACKGROUND: Hydroxyapatite (HA) is the main mineral component of the tooth structure, which exhibits considerable biological behavior and its incorporation might improve microhardness of dental materials. Microhardness of restorative materials, like glass-ionomer, is critical for the clinical longevity of restorations. The aim of this study was to evaluate the microhardness of two glass-ionomers types by incorporating different percentages of microhydroxyapatite. MATERIAL AND METHODS: In this study, 80 disc-shaped experimental specimens (6 mm in diameter, 2 mm in height) were prepared in 8 groups, including resin-modified glass-ionomer (RMGI, GC, Gold Label, Japan), zirconia-reinforced glass-ionomer (Zirconomer, Shofu, Kyoto, Japan), and their mixture with 0, 5, 15 and 25 wt% of microhydroxyapatite (Sigma-Aldrich, Germany)...
June 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28638559/comparative-evaluation-of-anti-microbial-effects-of-triple-antibiotic-paste-and-amox-and-its-derivatives-against-e-faecalis-an-in-vitro-study
#6
Manjeet Kaur, Shrikant Kendre, Parmod Gupta, Navneet Singh, Harsimran Sethi, Neha Gupta, Rushil Acharya
BACKGROUND: Enterococcus faecalis is a microorganism commonly detected in asymptomatic, persistent endodontic infections. Triple antibiotic paste has stood the test of time as a proven antibiotic combination against E. Faecalis. However, problems with this include staining of teeth and standardization of the preparation. Thus, the search for better alternatives and better preparation techniques is still on. AIM: To observe the potential of combinations [(Amoxicillin+ Metronidazole, Amoxicillin Clavulanic Acid + Metronidazole; Amoxicillin and Cloxacillin + Metronidazole)] over Triple Antibiotic Paste...
June 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28638558/impacted-lower-third-molars-and-distal-caries-in-the-mandibular-second-molar-is-prophylactic-removal-of-lower-third-molars-justified
#7
José Marques, Marta Montserrat-Bosch, Rui Figueiredo, Miguel-Angel Vilchez-Pérez, Eduard Valmaseda-Castellón, Cosme Gay-Escoda
BACKGROUND: The objective of this study was to evaluate the association between the presence of mandibular third molars and the occurrence of carious lesions in the distal aspect of the mandibular second molar. MATERIAL AND METHODS: A retrospective cohort study comprising 327 lower third molars extracted in the Oral Surgery and Implantology Master's Degree program of the School of Dentistry of the University of Barcelona (Barcelona, Spain) was carried out. A descriptive and bivariate analysis was made...
June 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28638557/continuous-apical-negative-pressure-ultrasonic-irrigation-canui-a-new-concept-for-activating-irrigants
#8
Pablo Castelo-Baz, Purificación Varela-Patiño, Manuel Ruíz-Piñón, Francesc Abella, Ramón Miguéns-Vila, Benjamín Martín-Biedma
BACKGROUND: Irrigation of the root canal system is an essential step in the endodontic treatment. The aim of this article is to introduce continuous apical negative-pressure ultrasonic irrigation (CANUI), a new irrigation concept, and compare the characteristics of this new technique with current devices for activating the irrigant. MATERIAL AND METHODS: CANUI is designed for cleaning and disinfecting the root canal system. The device consists of a tube inside another tube that allows the continuous ultrasonic exchange of fresh irrigant, as the irrigant is simultaneously aspirated apically...
June 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28638556/effects-of-different-powder-to-liquid-ratios-on-the-push-out-bond-strength-of-cem-cement-on-simulated-perforations-in-the-furcal-area
#9
Mohammad-Frough Reyhani, Negin Ghasemi, Vahid Zand, Saba Mosavizadeh
BACKGROUND: Proper bond strength to dentin is one of the properties of biomaterials used for therapeutic purposes such as repair of furcal perforations. The aim of the present study to evaluate the effects of different powder to liquid ratios of Calcium-enriched mixture (CEM) on the push-out bond strengths in simulated perforations in the furcal area and compare it with Mineral trioxide aggregate (MTA). MATERIAL AND METHODS: Furcal perforations, measuring 1.3 mm in diameter and 2 mm in height, were prepared in 120 mandibular first molars...
June 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28638555/a-comparative-evaluation-oral-leukoplakia-surgical-management-using-diode-laser-co2-laser-and-cryosurgery
#10
Madhukar Natekar, Hosahallli-Puttaiah Raghuveer, Dilip-Kumar Rayapati, Eshwara-Singh Shobha, Nagesh-Tavane Prashanth, Vinod Rangan, Archana G Panicker
BACKGROUND: The comparatively evaluate the three surgical treatment modalities namely cryosurgery, diode and CO2 laser surgery in terms of healing outcomes on the day of surgery, first and second week post operatively and recurrence at the end of 18 months was assessed. MATERIAL AND METHODS: Thirty selected patients were divided randomly into three groups. Each group comprising of ten patients were subjected to one of the three modalities of treatment namely cryosurgery, diode laser or CO2 laser surgery for ablation of OL...
June 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28638554/effect-of-professional-dental-prophylaxis-on-the-surface-gloss-and-roughness-of-cad-cam-restorative-materials
#11
Toshiko Sugiyama, Atsushi Kameyama, Tomoka Enokuchi, Akiko Haruyama, Aoi Chiba, Setsuko Sugiyama, Makoto Hosaka, Toshiyuki Takahashi
BACKGROUND: This study aimed to evaluate the effect of dental prophylaxis on the surface gloss and roughness of different indirect restorative materials for computer-aided design/computer-aided manufacturing (CAD/CAM): two types of CAD/CAM composite resin blocks (Shofu Block HC and Estelite Block) and two types of CAD/CAM ceramic blocks (IPS Empress CAD and Celtra DUO). MATERIAL AND METHODS: After polishing the CAD/CAM blocks and applying prophylaxis pastes, professional dental prophylaxis was performed using four different experimental protocols (n = 5 each): mechanical cleaning with Merssage Regular for 10 s four times (Group 1); four cycles of mechanical cleaning with Merssage Regular for 10 s and Merssage Fine for 10 s (Group 2); four cycles of mechanical cleaning with Merssage Regular for 10 s and Merssage Fine for 30 s (Group 3); and mechanical cleaning with Merssage Fine for 10 s four times (Group 4)...
June 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28638553/a-review-of-640-oral-squamous-cell-carcinoma-cases-in-nigeria
#12
Ahmed-Oluwatoyin Lawal, Akinyele-Olumuyiwa Adisa, Olajumoke-Ajibola Effiom
BACKGROUND: Oral squamous cell carcinoma (OSCC) is the most prevalent malignant neoplasm in the oral cavity and accounts for 70% to 90% of all oral malignant neoplasms. The aim of this study was to examine the demographic distribution of OSCC in five Tertiary Health centres in Nigeria. MATERIAL AND METHODS: All cases diagnosed as OSCC during the period from 1970 -2014 were retrieved from the records of five teaching hospitals in Nigeria. Hematoxylin and eosin stained histological slides of all cases that had a diagnosis of OSCC were reviewed for confirmation and inclusion...
June 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28638552/efficacy-of-three-methods-for-inserting-calcium-hydroxide-based-paste-in-root-canals
#13
Thales Galvão, Bernardo Camargo, Luciana Armada, Flávio Alves
BACKGROUND: To compare the quality of calcium hydroxide paste fillings performed by three different techniques. MATERIAL AND METHODS: Sixty extracted maxillary central incisors, with previous root canal treatment, were decoronated and the gutta-percha was completely removed from the root canals. Subsequently, the canals were filled with a calcium hydroxide-based paste composed of calcium hydroxide, bismuth carbonate, and glycerin. The study samples were divided into the following three groups on the basis of three insertion techniques (n = 20, each): conventional technique using a hand instrument (MAN), rotary Lentulo spiral (LEN) technique, and a combined technique combining conventional hand files with sonic activation through the EndoActivator device (EA)...
June 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28638551/effectiveness-of-flossing-loops-in-the-control-of-the-gingival-health
#14
Francisco Azcarate-Velázquez, Roberto Garrido-Serrano, Gabriel Castillo-Dalí, María-Angeles Serrera-Figallo, Alfonso Gañán-Calvo, Daniel Torres-Lagares
BACKGROUND: One of the key factor in the good condition of periodontal tissues is their daily hygiene. Oral hygiene techniques such brushing and a good interdental hygiene by correct flossing are very important. The aim of this study is to compare the use of dental floss in a loop vs traditional floss in the control of Loe-Silness Gingival Index (IG), Turesky´s Plaque Index (IPT), Gingival Bleeding Index (IS) and the values of interleukin 6 (IL-6) and interleukin 8 (IL-8). MATERIAL AND METHODS: A comparative study of 40 patients in which each patient was his own control, using during 45 days each one of the devices (new loop floss and conventional floss) of interdental hygiene analysed...
June 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28638550/shear-bond-strength-of-orthodontic-metal-brackets-to-aged-composite-using-three-primers
#15
Ali Tayebi, Farnoosh Fallahzadeh, Marzieh Morsaghian
BACKGROUND: This study aimed to assess the effect of surface preparation with sandblasting and diamond bur along with the use of three primers on shear bond strength (SBS) of metal brackets to aged composite. MATERIAL AND METHODS: In this in vitro, experimental study, 60 Filtek Z250 composite discs were fabricated (10×2mm), immersed in distilled water for 24 hours and subjected to 5000 thermal cycles. They were randomly divided into two groups (n=30) of sandblasting with aluminum oxide particles for 10 seconds and surface roughening with bur...
June 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28638549/antibacterial-activity-of-different-root-canal-sealers-against-enterococcus-faecalis
#16
Claudio Poggio, Federico Trovati, Matteo Ceci, Marco Colombo, Giampiero Pietrocola
BACKGROUND: The aim of the present study was to compare in vitro the antimicrobial activity of different root canal sealers against Enterococcus faecalis, prior and subsequent to setting. MATERIAL AND METHODS: Agar diffusion test (ADT) was used for evaluating the antibacterial activity of non-set sealer while the direct contact test (DCT) was used for after setting. RESULTS: ADT: Except for TotalFill BC Sealer all the others sealers tested showed antibacterial activity...
June 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28638548/dentin-bonding-agent-with-improved-bond-strength-to-dentin-through-incorporation-of-sepiolite-nanoparticles
#17
Farnoosh Fallahzadeh, Shadab Safarzadeh-Khosroshahi, Mohammad Atai
BACKGROUND: The study aims to investigate the effect of incorporation of sepiolite nanoparticles on the microtensile bond strength of an experimental dentin bonding to the human dentin. MATERIAL AND METHODS: The sepiolite nanoparticles were incorporated into an experimental methacrylate-based dentin bonding system in concentrations of 0.0, 0.2, 1.0, 2.0, and 5.0 weight percents. The specimens were then ultrasonicated to finely disperse the nanoparticles in the adhesive matrix...
June 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28638547/push-out-bond-strength-of-different-endodontic-obturation-material-at-three-different-sites-in-vitro-study
#18
Pankaj Mishra, Anjna Sharma, Sunil Mishra, Manas Gupta
BACKGROUND: The key to success of any root canal therapy is adequate obturation of the prepared root canal space. Root canal sealers are not dimensionally stable and might dissolve partially over a period of time. The objective of this in vitro study is to evaluate the push-out bond strength to intraradicular dentin of two endodontic obturation materials. MATERIAL AND METHODS: Forty extracted single rooted permanent teeth were used. Canals orifice was explored, teeth were instrumented...
June 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28638546/comparing-the-effect-of-diode-laser-against-acyclovir-cream-for-the-treatment-of-herpes-labialis
#19
Marieh Honarmand, Leila Farhadmollashahi, Ehsan Vosoughirahbar
BACKGROUND: Recently alternative therapies such as the use of diode laser therapy have been introduced for recurrent herpes labial infection. The aim of this study was to evaluate the effectiveness of diode laser for treatment of recurrent herpes labialis. MATERIAL AND METHODS: This was single-blind randomized clinical trial to evaluate the efficacy of diode laser for the treatment of recurrent herpes labial. In total, 60 patients whit recurrent herpes simplex labialis were selected and randomly divided in to three groups...
June 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28512554/a-case-report-on-dental-management-of-a-toddler-with-pachygyria
#20
Vignesh Ravindran, Vishnu Rekha, Sankar Annamalai, Parisa Norouzi-Baghkomeh, Ditto Sharmin
Children with special health care needs receive less oral care than the normal population, inspite of the high level of dental diseases among them. They are at an increased risk for oral diseases throughout their lifetime. This paper reports a case of a toddler with congenital unusual thick convolutions of the cortex resulting in a condition called pachygyria. Intra oral examination showed multiple abscesses with poor oral hygiene. As the patient was lacking cooperative ability, treatment of full mouth rehabilitation as needed...
May 2017: Journal of Clinical and Experimental Dentistry
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