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Journal of Clinical and Experimental Dentistry

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https://www.readbyqxmd.com/read/30305884/non-syndromic-synchronous-multiple-odontogenic-keratocysts-in-a-western-indian-population-a-series-of-four-cases
#1
Krishna-Sireesha Sundaragiri, Shikha Saxena, Bharat Sankhla, Akshay Bhargava
Odontogenic keratocysts (OKCs) are developmental odontogenic cysts affecting the maxillofacial region and their association with a syndrome especially Naevoid basal cell carcinoma syndrome (NBCCS) is a common occurrence in comparison to non syndromic multiple OKCs. In a first, we present a series of four non syndromic cases with multiple OKCs in western Indian population. The presence of multiple OKC in our present case series may be because of the multifocal nature of the lesion rather than its association with any syndrome...
August 2018: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/30305883/effect-of-different-sintering-process-on-flexural-strength-of-translucency-monolithic-zirconia
#2
Niwut Juntavee, Surawut Attashu
Background: Sintering process is responsible for the strength of zirconia restoration. This study evaluated the effect of different sintering temperatures and sintered-holding times on flexural strength of translucency monolithic zirconia. Material and Methods: One hundred and thirty five zirconia bar specimens (width-length-thickness = 10×20×1.5 mm) were prepared from yttria-stabilized tetragonal zirconia polycrystalline (Y-TZP) ceramic and randomly divided into nine groups to be sintered at different temperatures [decreasing- (SD, 1350°C), regular- (SR, 1450°C), and increasing- (SI, 1550°C) sintering temperature] and different sintered-holding times [shortening- (HS, 60 min), regular- (HR, 120 min), and prolonged- (HP, 180 min) sintered-holding time]...
August 2018: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/30305882/correlation-between-alteration-of-enamel-roughness-and-tooth-color
#3
Waldemir-Francisco Vieira-Junior, Isabele Vieira, Glaucia-Maria-Bovi Ambrosano, Flávio-Henrique-Baggio Aguiar, Débora-Alves-Nunes-Leite Lima
Background: To establish the correlation between enamel roughness and color change of tooth. Material and Methods: Enamel/dentin blocks (5 x 5 x 3.2 mm) were serially ground with the following abrasive paper: 1200-grit, 800-grit, and 600-grit SiC papers. In the paired model, the analyses of color (L*, a*, b*, ΔE) and roughness (Ra) were performed among the sandpaper exposure. The data were subjected to ANOVA using models for repeated measures followed by the Tukey test...
August 2018: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/30305881/evaluation-of-the-time-required-to-perform-three-retreatment-techniques-with-dental-microscope-and-ultrasonic-activation-for-removing-filling-material-from-the-oval-root-canal
#4
Tarek-Fahed Alakabani, Vicente Faus-Llácer, Vicente Faus-Matoses
Background: When endodontic treatment fails, retreatment consists of the complete removal of the root canal filling material for thorough cleaning and reobturation. Various techniques are available for the filling removal procedure, which present varying degrees of efficacy, and take a varying length of time to perform. The aim of this study was to compare the time required to carry out reciprocating, rotary, and manual techniques with dental microscope and ultrasonic activation for removing filling material from root canals...
August 2018: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/30305880/an-in-vitro-cyclic-fatigue-resistance-comparison-of-conventional-and-new-generation-nickel-titanium-rotary-files
#5
Celia Ruiz-Sánchez, Vicente Faus-Matoses, Teresa Alegre-Domingo, Ignacio Faus-Matoses, Vicente-José Faus-Llácer
Background: New designs and processing of Niquel-Titanium (NiTi) have been introduced to increase resistance to cyclic fatigue. The purpose of this study was to compare the cyclic fatigue resistance of 3 NiTi rotary instruments, ProTaper Next (PTN; Dentsply Maillefer, Ballaigues, Switzerland), Profile Vortex Blue (PVB; Dentsply Tulsa Dental, Tulsa, OK, USA) and ProTaper Universal (PTU; Dentsply Maillefer, Ballaigues, Switzerland). Material and Methods: A cyclic fatigue test was conducted operating instruments from ProTaper Next X2, Profile Vortex Blue 25...
August 2018: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/30305879/effect-of-sintering-process-on-color-parameters-of-nano-sized-yttria-partially-stabilized-tetragonal-monolithic-zirconia
#6
Niwut Juntavee, Surawut Attashu
Background: Sintering process is responsible for aesthetic of zirconia restoration. This study evaluated the effect of different sintering temperatures and sintered-holding times on color parameters of monolithic zirconia. Material and Methods: One hundred and thirty five zirconia bar specimens (width-length-thickness = 10×20×1.5 mm) were prepared from yttria-stabilized tetragonal zirconia polycrystalline (Y-TZP) ceramic and randomly divided into nine groups to be sintered at different temperatures [decreasing- (SD, 1350°C), regular- (SR, 1450°C), and increasing- (SI, 1550°C) sintering temperature] and different sintered-holding times [shortening- (HS, 60 min), regular- (HR, 120 min), and prolonged- (HP, 180 min) sintered-holding time]...
August 2018: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/30305878/the-effect-of-orthodontic-bracket-pad-shape-on-shear-bond-strength-an-in-vitro-study-on-human-enamel
#7
Nirav Patel, Prashanti Bollu, Kishore Chaudhry, Karthikeyan Subramani
Background: To evaluate the effect of bracket pad shape on shear bond strength (SBS) of orthodontic brackets bonded to human enamel. Material and Methods: One hundred and five extracted human maxillary permanent molars were divided into 7 groups of 15 specimens per group (n=15). Each group of teeth was bonded with 6 different shaped WildSmiles® brackets (Star, Heart, Soccer ball, Football, Flower, and Diamond) and GAC® rectangle shaped brackets. Shear debonding force was measured with an Instron universal testing machine using a knife-edged chisel 24 hours after initial bonding...
August 2018: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/30305877/comparison-of-three-adhesive-systems-in-class-ii-composite-restorations-in-endodontically-treated-teeth-influence-of-er-yag-laser-conditioning-and-gingival-margin-levels-on-microleakage
#8
Emel-Olga Onay, Kivanc Yamanel, Yonca Korkmaz-Ceyhan, Kamran Gulsahi
Background: Dental surface conditioning by Er:YAG laser is currently being investigated, as not all of the mechanisms and effects of this technique have been clearly studied. Thus, the aim of the present study was to assess the cervical microleakage of Class II resin composite restorations in endodontically treated teeth following either the respective conventional conditioning or additional Er:YAG laser conditioning, in association with varied adhesives. Material and Methods: Standardized mesial-occlusal-distal cavities (two gingival walls positioned in dentin and enamel, respectively) were created in 60 extracted human premolar teeth...
August 2018: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/30305876/anti-erosive-effect-of-calcium-carbonate-suspensions
#9
Priscila Scandiffio, Tais Mantilla, Flávia Amaral, Fabiana França, Roberta Basting, Cecilia Turssi
Background: This study aimed to investigate the ability of different concentrations of calcium carbonate (CaCO3) suspensions to control enamel surface loss. Material and Methods: Seventy-five enamel slabs were embedded, ground and polished in a pneumatic grinder-polisher machine. Reference areas were created with UPVC tape and the specimens were randomly allocated into five groups (n = 15) for exposure to hydrochloric acid solution to simulate gastric juice (0.01 M, pH 2) for 2 minutes...
August 2018: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/30305875/effect-of-different-bleaching-protocols-on-whitening-efficiency-and-enamel-superficial-microhardness
#10
Amanda-Mahammad Mushashe, Beatriz-Serrato Coelho, Paula-Pontes Garcia, Bruna-Cristina-do Nascimento Rechia, Leonardo-Fernandes da Cunha, Gisele-Maria Correr, Carla-Castiglia Gonzaga
Background: Tooth bleaching is a popular aesthetic treatment to modify the color of teeth. Despite the extensive literature concerning the subject, there is still no consensus regarding the application mode of the different bleaching agents and their effect on enamel. Therefore, this study evaluated the influence of different bleaching protocols on whitening efficiency and enamel superficial hardness. Material and Methods: Bovine enamel fragments were embedded in acrylic resin and wet-sanded to obtain a flat buccal surface...
August 2018: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/30305874/study-of-the-influence-of-crossbite-on-the-size-of-the-apical-area-in-a-child-population-by-analyzing-panoramic-x-ray
#11
Nazareth Rodríguez-Peinado, Montserrat Diéguez-Pérez, Gloria Saavedra-Marbán, María-Rosa Mourelle-Martínez
Background: The apical area is the space in the maxillary bones that contains teeth during formation and is subsequently occupied by the apices of the permanent teeth. Its dimensions are easy to perceive and determine by observing a panoramic X-ray. Our objective was to analyze the influence of crossbite on the size of the anterior and mesial apical area in Caucasian children. Material and Methods: Based on the ortopantomograph of 353 patients in mixed dentition and crossbite, the sizes of the apical areas of the four hemiarches were studied using the Tps Dig Version 2® computer program...
August 2018: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/30305873/in-vivo-effects-of-flapless-osteopuncture-facilitated-tooth-movement-in-the-maxilla-and-the-mandible
#12
Tugba Haliloglu-Ozkan, Nursel Arici, Selim Arici
Background: This study aimed to investigate the effects of a minimally invasive, flapless procedure to enhance tooth movement in both jaws and to determine whether this triggers the acceleration when repeated monthly. Material and Methods: The sample consisted of thirty-two individuals whose orthodontic treatment required canine retraction. They were divided into an experimental group and control group. Osteopunctures were performed using orthodontic mini-screws at the distal aspects of the canine teeth at the beginning and on the fourth week of distalization in the experimental group...
August 2018: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/30305872/criteria-and-treatment-decisions-in-the-management-of-deep-caries-lesions-is-there-endodontic-overtreatment
#13
Isabel Crespo-Gallardo, Olesia Hay-Levytska, Jenifer Martín-González, Mari-Carmen Jiménez-Sánchez, Benito Sánchez-Domínguez, Juan J Segura-Egea
Background: The aim of this study was to investigate the diagnostic criteria and treatment decisions in the management of deep caries lesions (DCLs). The null hypothesis tested was that DCLs are managed according to the current scientific evidence. Material and Methods: A total of 288 dentists were contacted directly or by mail, and 125 (43%) were included in the study. Dentists were requested to answer a questionnaire about the routine approach to the diagnosis and treatment of DCLs...
August 2018: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/30305871/nonsyndromic-cleft-lip-and-or-palate-a-multicenter-study-of-the-dental-anomalies-involved
#14
Carlos Menezes, José-Alcides de Arruda, Leni-Verônica Silva, João-Luiz Monteiro, Pérola Caribé, Pamella Álvares, Maria-Cristina Almeida, José-Carlos Coelli, Fernanda Goldemberg, Marcia Silveira, Ana-Paula Sobral, Daniela-Franco Bueno
Background: Nonsyndromic cleft lip and/or palate (NSCL/P) is the most common craniofacial malformation. Due to the anatomical defect present in the alveolar process, these patients tend to exhibit more dental anomalies. The aim of this study was to identify the prevalence of dental anomalies in patients with NSCL/P by obtaining orthodontic documentation from Brazilian Centers for cleft lip and palate treatment. Material and Methods: A retrospective analysis (2000-2014) was conducted on orthodontic archives, radiographs and medical records of NSCL/P of 524 patients under orthodontic treatment...
August 2018: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/30305870/shear-bond-strength-of-metal-brackets-to-ceramic-surfaces-using-a-universal-bonding-resin
#15
Roya Naseh, Maryam Afshari, Fereshteh Shafiei, Nima Rahnamoon
Background: Assure Plus is a recently introduced universal adhesive with the ability to bond to various restorations. This study compared the shear bond strength of brackets bonded to two types of ceramics using conventional bonding agent and Assure Plus. Surface damage caused by debonding was also evaluated. Material and Methods: In this in vitro study, 40 feldspathic and lithium disilicate ceramic discs were sandblasted, etched with 9.6% hydrofluoric acid and divided into two groups...
August 2018: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/30305869/effects-of-different-etching-strategies-on-the-microtensile-repair-bond-strength-of-beautifil-ii-giomer-material
#16
Mahmoud Bahari, Siavash Savadi-Oskoee, Soodabeh Kimyai, Ayda Savadi-Oskoee, Farhang Abbasi
Background: Considering the differences in the filler particles between giomer and conventional composite resins and the importance of these fillers in the repair bond strength, the aim was to evaluate the effects of different etching strategies with phosphoric acid (PA) and hydrofluoric acid (HF) on the microtensile repair bond strength (µTRBS) of giomer. Material and Methods: Ten giomer blocks were randomly assigned into 10: 1) control; 2) 37%PA-20s; 3) 3%HF-20s; 4) 3%HF-120s; 5) 9...
August 2018: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/30305868/tridimensional-assessment-of-the-dental-follicle-dimensions-of-impacted-mandibular-third-molars-using-cone-beam-ct
#17
Marlene Barroso, Luis-Ernesto Arriola-Guillén, Yalil-Augusto Rodríguez-Cárdenas, Gustavo-Armando Ruíz-Mora, Maria-Eugenia Guerrero, Carlos Flores-Mir
Background: The present study was performed to compare follicle dimensions of impacted mandibular third molar (IMTM) with different impaction angulations using cone beam computed tomography (CBCT). Material and Methods: Forty-nine individuals with IMTM (24 male, 25 female) were selected. Their age range was 25-55 years. The sample was divided into three IMTM groups either vertical (n=16), mesioangular (n=18) or horizontal (n=15) position based on Winter's classification (the angle between the longitudinal axis of the second and third molars)...
August 2018: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/30057718/use-of-3d-printed-model-as-an-aid-in-surgical-removal-of-a-rare-occurrence-of-a-compound-odontome-in-the-anterior-mandible-associated-with-impacted-teeth
#18
Neil De Souza, Saurabh Kamat, Paul Chalakkal, Rakshit V Khandeparker
The use of 3D printing in the medical field has been well documented, with significant developments in fabrication of tissues, organs, customized prosthetics, implants, and anatomical models as well as pharmaceutical research. Its use in dentistry, however has been limited mainly to maxillofacial surgery and reconstruction, orthognathic surgery and trauma. Compound odontomes are usually prevalent in the anterior maxilla, however, their occurrence in the anterior mandibular region is rare. This case report highlights the effective usage of 3D printing as an aid in the surgical removal of a compound odontome and impacted incisors in the mandibular anterior region...
July 2018: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/30057717/pseudoaneurysm-in-internal-maxillary-artery-after-gunshot-wound-critical-review-and-case-report
#19
Bruno Neres, Eugênia Figueiredo, Carolina Aires, Emerson Nogueira, Emanuel Andrade
Introduction: Pseudoaneurysm is a vascular injury typically caused by rupture of arteries with extravasation of blood. The involvement of this entity in facial arteries after firearm aggression is extremely rare, and they need treatment as early as possible, thus avoiding irreversible damage to patients. Study design: A 40-year-old male victim of gunshot attack with an entrance orifice in the right posterior cervical region with ascending trajectory, lodging in the ipsilateral zygomatic-orbitary complex, which was submitted to removal of the bone fragments and the bullet...
July 2018: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/30057716/surgically-assisted-rapid-palatal-expansion-using-customized-bone-borne-devices
#20
Arturo Bilbao, Juan-Carlos Pérez-Varela, Daniel Pérez-López, Pablo Varela-Centelles
Correction of maxillary compression via palatal expansion is easy in children and adolescents, but more complicated once growth is finished. This correction may be performed by progressive expansion using orthopaedic appliances after osteotomy with more stable results, which facilitate a second phase to achieve larger expansions. We present a clinical case treated using a customized device that improves predictability. The stability of the device is ensured by multiple support points with 8 screws that fix it to the palate...
July 2018: Journal of Clinical and Experimental Dentistry
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