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Acta Odontológica Latinoamericana: AOL

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https://www.readbyqxmd.com/read/29750238/the-antibacterial-activity-and-release-of-quaternary-ammonium-compounds-in-an-orthodontic-primer
#1
Mehmet B Özel, Tamer Tüzüner, Zeynep A Güplü, Nichola J Coleman, Andrew P Hurt, Celai K Buruk
The aim of this study was to evaluate the impact of 10 wt% benzalkonium chloride (TB-BAC) or 10 wt% cetylpyridinium chloride (TB-CPC) on the antimicrobial properties of the orthodontic adhesive primer, Transbond XTT (TB). Antimicrobial activity was assessed using a zone of inhibition diffusion test and the release of the antimicrobial compounds was monitored by high performance liquid chromatography (HPLC). Shear bond strength (SBS) was tested using bovine enamel. Control, TB, specimens failed to demonstrate intrinsic antibacterial activity at 1, 7 and 14 days; whereas, TB-BAC and TB-CPC showed antibacterial effects at all times...
December 2017: Acta Odontológica Latinoamericana: AOL
https://www.readbyqxmd.com/read/29750237/oral-health-of-youth-housed-in-socio-educational-centers-of-the-juvenile-penal-area-of-the-province-of-c%C3%A3-rdoba-argentina
#2
María M Barnetche, Lila S Cornejo
The purpose of this research was to analyze the oral health status of youth housed in socio-educational centers of the Juvenile Penal Area of the Province of Córdoba, Argentina of corrections by considering clinical evaluation and the main sociodemographic data. Socio-demographics, healthy and unhealthy habits of self-care, and dental clinical profile were assessed for this purpose. An exploratory cross-sectional study was carried out on 70 14- to 18-year-olds who had been institutionalized for at least six months...
December 2017: Acta Odontológica Latinoamericana: AOL
https://www.readbyqxmd.com/read/29750236/method-for-evaluation-of-transverse-dimension-in-self-ligating-orthodontic-treatment-a-comparative-study
#3
Alejandra Folco, Sandra Benítez-Rogé, Diana Calabrese, Marina Iglesias, María Lumi, Pedro Hetch, María E Mateu
Knowledge of the best way to evaluate changes in transverse dimension produced by orthodontic treatment enables the estimation of potential space that may be generated and optimizes planning. The aim of this study was to compare two methods for measuring changes in transverse dimension following tooth alignment by passive self-ligating system: Method 1 (M1) considering palatal landmarks and Method 2 (M2) considering dental landmarks. Subjects were 12 patients of both sexes, aged 15 to 24 years old, with moderate crowding (Nance discrepancy -4 to -6 mm), who were treated with the Damon System at the Department of Orthodontics of the School of Dentistry, Buenos Aires University...
December 2017: Acta Odontológica Latinoamericana: AOL
https://www.readbyqxmd.com/read/29750235/comparison-of-mineral-density-in-molar-incisor-hypomineralization-applying-fluoride-varnishes-and-casein-phosphopeptide-amorphous-calcium-phosphate
#4
Ana M Biondi, Silvina G Cortese, Lucía Babino, Diana E Fridman
The aim of the present work was to evaluate and compare variations in mineral density (MD) using laser-induced fluorescence (LF) after applying 5% Sodium Fluoride Varnish (Duraphat®), 5% Sodium Fluoride Varnish with Tricalcium Phosphate (Clinpro®) or Casein phosphopeptide-amorphous calcium phosphate (Recaldent®) on teeth with Molar Incisor Hypomineralization (MIH). Mineral density of 92 MIH teeth with mild (Mi) and moderate (Mo) lesions was assessed using a DIAGNOdent device (KaVo, Biberach, Germany). LF values were recorded on day 0 (baseline) and on days 15, 30 and 45; the remineralizing agents were applied immediately after LF readings at baseline and on days 15 and 30...
December 2017: Acta Odontológica Latinoamericana: AOL
https://www.readbyqxmd.com/read/29750234/knowledge-of-oral-cancer-among-the-community-served-during-the-stomatological-lesion-prevention-campaign-conducted-at-universidad-cat%C3%A3-lica-de-santiago-de-guayaquil-ecuador
#5
Karla Cruz-Moreira, Fuad Huamán-Garaicoa, Gabriela Mena
The aim of this study was to evaluate the level of knowledge on oral cancer and level of preventive care among the population. A descriptive cross-sectional study was performed to evaluate 408 individuals through a face-to-face survey at Universidad Católica de Santiago de Guayaquil during the 2016 academic year. Sixty-one percent (61%) of respondents said they knew of the existence of oral cancer, but 56.1% did not know that 'white spots' in the oral cavity could become malignant, and 50.7% did not know that 'lumps'could be oral cancer...
December 2017: Acta Odontológica Latinoamericana: AOL
https://www.readbyqxmd.com/read/29750233/description-of-an-in-vivo-oral-mucosa-hsv-1-infection-model-in-mice
#6
Leidy Y Bastidas-Legarda, Edgar O Beltrán, Lina M Marín-Gallón, Jaime E Castellanos, Sonia P Bohórquez
In this work, we established an in vivo murine model of herpes simplex virus type 1 (HSV-1) infection involving inoculation by scarification of the oral mucosain order to study its dissemination towards the trigeminal ganglion (TG). Both viral DNA and infectious virions were detected on the third day postinfection (p.i.). Viral proteins revealed by immunohistochemistry were mainly found at seven days p.i., when the latency-associated transcript (LAT) was also detected. This model simulated the dissemination process of HSV-1, which could be used to study herpes pathogenesis starting in the oral mucosa...
December 2017: Acta Odontológica Latinoamericana: AOL
https://www.readbyqxmd.com/read/29750232/in-vitro-evaluation-of-bond-strength-of-four-self-etching-cements
#7
Julio Chávez-Lozada, Carmen Urquía-Morales
Indirect restorations need to be attached with adhesive luting agents to prevent them from becoming dislodged and provide adequate marginal sealing. The aim of this study was to evaluate bond strength to dentin of self-etching resin cements. MATERIALS AND METHODS: 75 flat dentin surfaces were randomly distributed among 5 groups, according to cements used; Group 1: RelyxU100 (3M/ESPE), Group 2: Bis Cem (Bisco), Group 3: Max Cem (Kerr), Group 4: SeT PP (SDI) and Group 5: Relyx ARC (3M/ESPE), control...
December 2017: Acta Odontológica Latinoamericana: AOL
https://www.readbyqxmd.com/read/29248944/surface-wear-of-resin-composites-used-for-invisalign%C3%A2-attachments
#8
Graciela J Barreda, Elizabeth A Dzierewianko, Karina A Muñoz, Gisela I Piccoli
Orthodontic treatments with Invisalign® require the use of attachments, which are composite resin buttons attached to tooth surfaces. Attachments constitute one of the most powerful tools for improving the efficiency of orthodontic tooth movement. The main purpose of this study was to evaluate surface wear over six months in two resin composites (Filtek Z350 XT, 3MESPE and Amelogen Plus TW, Ultradent Products Inc. ) used for making Invisalign® attachments. These composites were selected for their esthetic and mechanical properties...
August 2017: Acta Odontológica Latinoamericana: AOL
https://www.readbyqxmd.com/read/29248943/edentulism-and-its-relationship-with-self-rated-health-secondary-analysis-of-the-sabe-ecuador-2009-study
#9
Miguel Germán Borda, Nicolás Castellanos-Perilla, Judy Andrea Patiño, Sandra Castelblanco, Carlos Alberto Cano, Diego Chavarro-Carvajal, Mario U Pérez-Zepeda
Edentulism is related to a number of conditions in older adults, impacting their overall health status and thus their quality of life and relationship with the environment. At the same time, self-rated health has been shown to be an accurate marker of overall health status. However there is little information on how edentulism relates to self-rated health in older adults of Hispanic origin. The aim of this study was to evaluate the impact of edentulism on self-rated health in older adults. We analyzed data from SABE Ecuador 2009, a cross-sectional study that included a probabilistic representative sample of 5, 235 community-dwelling older adults aged 60 years or older...
August 2017: Acta Odontológica Latinoamericana: AOL
https://www.readbyqxmd.com/read/29248942/dental-skeletal-effects-of-the-metallic-splinted-herbst-appliance-after-growth-spurt-a-lateral-oblique-cephalometric-assessment
#10
Taisa B Raveli, Dirceu B Raveli, Luiz G Gandini, Ary Santos-Pinto
The aim of this study was to evaluate dental and skeletal changes induced by the use of Herbst appliance compared to natural growth in young adults with Class II division I malocclusion with mandibular retrusion, by means of lateral oblique radiographs. Forty-six subjects, I4 -18 years old, after pubertal growth peak, with Class II division I malocclusion were assessed. Subjects were divided into two groups: the Experimental group included 23 subjects treated with Metallic Splinted Herbst and the Control group included 23 subjects followed without treatment...
August 2017: Acta Odontológica Latinoamericana: AOL
https://www.readbyqxmd.com/read/29248941/evaluation-of-an-experimental-remineralizing-agent-for-repairing-enamel-surfaces
#11
Margarita V Úsuga Vacca, Carolina Torres-Rodríguez, Edgar Delgado-Mejía
The best material for repairing enamel surface defects is one very similar to the original enamel and which interacts with natural remineralization mechanisms. It does not repair extensive damage, so in order to fill large defects, external help is required using phosphocalcic ceramic composites that activate salivary remineralization efficiently though on smaller in scale. Effective adhesion of the repair may depend on the amount of aqueous fluids present in the enamel, which apparently enable nucleation and growth of new minerals to ensure adhesion and stability...
August 2017: Acta Odontológica Latinoamericana: AOL
https://www.readbyqxmd.com/read/29248940/the-impact-of-oral-health-on-quality-of-life-in-individuals-with-head-and-neck-cancer-after-radiotherapy-the-importance-of-dentistry-in-psychosocial-issues
#12
Paulo Ss Santos, Adrielle L Cremonesi, Reyna A Quispe, Cassia Mf Rubira
The aim of this study was to assess the impact of oral health on the quality of life of patients with head and neck cancer after radiotherapy, combined or not with chemotherapy, and to compare it with that ofpatients with no history of neoplasia. A total 75 individuals were evaluated, including 30 with head and neck cancer after radiotherapy (study group) and 45 with no history of cancer (control group). All patients were evaluated according to World Health Organization criteria: caries activity by DMTF index, presence of periodontal disease by CPI index, edentulism index and impact of oral condition on quality of life through the OHIP-14 questionnaire...
August 2017: Acta Odontológica Latinoamericana: AOL
https://www.readbyqxmd.com/read/29248939/postural-alterations-as-a-risk-factor-for-temporomandibular-disorders
#13
Silvina Cortese, Ana Mondello, Ricardo Galarza, Ana Biondi
The aims of this study were to estimate frequency and assess postural alterations as a risk factor for temporomandibular disorders (TMD). Patients aged 10 to 15years (N=243, mean age 12. 6) seeking comprehensive dental care were analyzed according to RDC/ TMD. For static postural assessment, photographs were taken and analyzed by a physiotherapist following Kendall's model. Patients were divided into: A: without TMD (n=133); B: with muscle disorders (n=61); C: with disk displacement (N=49). No difference in age wasobserved between groups (p=0...
August 2017: Acta Odontológica Latinoamericana: AOL
https://www.readbyqxmd.com/read/29248938/morphological-characteristics-of-the-facial-bone-wall-related-to-the-tooth-position-in-the-alveolar-crest-in-the-maxillary-anterior
#14
Hernán Bonta, Nelson Carranza, Ariel F Gualtieri, Mariana A Rojas
The purpose of this study was to analyze whether the position of the tooth in the alveolar ridge influences the thickness of the facial bone wall and the distance between the cemento-enamel junction (CEJ) and osseous zenith (OZ). Cone-beam computed tomography (CBCT) scans from fifty four dentate patients were included in the study (22 male and 32 female, mean age 41. 5 years). The measurements taken included: (1). The Facial bone thickness at 7 different equidistant levels -measuring levels (ML 1-7) - between OZ and the root apex (A)...
August 2017: Acta Odontológica Latinoamericana: AOL
https://www.readbyqxmd.com/read/28688185/methodological-aspects-in-the-study-of-periodontal-breakdown-in-rats-influence-of-the-presence-and-time-of-ligature
#15
Juliano Cavagni, Luise Seibel, Eduardo J Gaio, Cassiano K Rosing
The aim of the present work was to evaluate the effect of different times on alveolar bone loss (ABL) and whether the presence of ligature on one side affects ABL on the contralateral site. This is a secondary analysis of databases from studies conducted at the Federal University of Rio Grande do Sul. Included studies used ligature-induced periodontal disease in rats. In order to be included, the studies were required to have a control group without any ligatures and an intra-group control. Three studies were included, which used different time periods: 2 weeks with ligature and 8 weeks without ligature; 5 weeks with ligature and 17 weeks without ligature; 22 weeks with and without ligature...
April 2017: Acta Odontológica Latinoamericana: AOL
https://www.readbyqxmd.com/read/28688184/root-surface-temperature-variation-during-mechanical-removal-of-root-canal-filling-material-an-in-vitro-study
#16
Martín García-Cuerva, Lucía Horvath, Laura Pinasco, Verónica Ciparelli, Ariel Gualtieri, Ana C Casadoumecq, Pablo Rodríguez, Carlos Gonzalez-Zanotto
The aim of this study was to analyze in vitro temperature changes on the outer surface of the dental root during mechanical filling removal procedures. Thirty recently extracted single-rooted lower premolars were cut transversally at 16 mm from the apex in order to standardize sample length. Endodontic treatment was performed on them. The filling material was subsequently removed using Gates Glidden (G1, G2, G3); Peeso (P1, P2, P3) and PostecPlus FRC (FRC) reamers while temperatures were measured on the outer surface using a digital device with thermocouple at 0, 2, 4, 6, 8, 10 and 15 seconds...
April 2017: Acta Odontológica Latinoamericana: AOL
https://www.readbyqxmd.com/read/28688183/evaluation-of-ph-and-calcium-ion-diffusion-from-calcium-hydroxide-pastes-and-mta
#17
María Del M Sáez, Gabriela L López, Diana Atlas, María L de la Casa
The aim of this ex vivo study was to evaluate changes in pH and calcium ion diffusion through root dentin from calcium hydroxide (Ca (OH) 2) and mineral trioxide aggregate (MTA) pastes at 7, 30 and 60 days; and the relationship between pH and ion diffusion. Thirty-two human premolars were used. Crowns were sectioned and root canals instrumented and filled in with the following preparations: 1) Ca(OH) 2 + distilled water (n=7); 2) Ca(OH) 2 + 0.1% chlorhexidine gluconate (n=7); 3) MTA + distilled water (n=7); 4) MTA + 0...
April 2017: Acta Odontológica Latinoamericana: AOL
https://www.readbyqxmd.com/read/28688182/analysis-of-the-adverse-events-reported-to-the-office-of-the-clinical-director-at-a-dental-school-in-bogot%C3%A3-colombia
#18
María F Huertas, Juliana Gonzalez, Sandra Camacho, Ana L Sarralde, Adriana Rodríguez
Dentistry is interested in identifying and controlling adverse events, understood as involuntary injuries to the patient during dental care. The aim of this study was to analyze the adverse events reported to the Office of the Clinical Director at the School of Dentistry at Pontificia Universidad Javeriana (Colombia) during 2011-2012. It was an observational, descriptive study that evaluated 227 dental clinical records of patients who filed a complaint with the Office of the Clinical Director. Of these, 43 were adverse events and were used as the basis for this study...
April 2017: Acta Odontológica Latinoamericana: AOL
https://www.readbyqxmd.com/read/28688181/surface-detail-reproduction-and-dimensional-accuracy-of-molds-influence-of-disinfectant-solutions-and-elastomeric-impression-materials
#19
Ricardo D Guiraldo, Sandrine B Berger, Ronaldo Mt Siqueira, Victor H Grandi, Murilo B Lopes, Alcides Gonini-Júnior, Rodrigo V Caixeta, Rodrigo V de Carvalho, Mário Ac Sinhoreti
This study compared the surface detail reproduction and dimensional accuracy of molds after disinfection using 2% sodium hypochlorite, 2% chlorhexidine digluconate or 0.2% peracetic acid to those of molds that were not disinfected, for four elastomeric impression materials: polysulfide (Light Bodied Permlastic), polyether (Impregum Soft), polydimethylsiloxane (Oranwash L) andpolyvinylsiloxane (Aquasil Ultra LV). The molds were prepared on a matrix by applying pressure, using a perforated metal tray. The molds were removed following polymerization and either disinfected (by soaking in one of the solutions for 15 minutes) or not disinfected...
April 2017: Acta Odontológica Latinoamericana: AOL
https://www.readbyqxmd.com/read/28688180/effect-of-silver-diamine-fluoride-sdf-on-the-dentin-pulp-complex-ex-vivo-histological-analysis-on-human-primary-teeth-and-rat-molars
#20
Glenda Rossi, Aldo Squassi, Patricia Mandalunis, Andrea Kaplan
The aim of this study was to determine the effect of SDF on the dentin-pulp complex using two models: teeth after SDF application (ex vivo) and experimental animal molars. A descriptive study was performed using two models. In the first model, primary teeth (ex vivo) with enamel-dentin caries, without pulp involvement and previously treated with 38% SDF, were evaluated by means of two techniques: (a) Scanning Electron Microscopy (SEM) and energy-dispersive X-ray detector (EDS) to determine qualitative and quantitative composition, and (b) brightfield optical microscopy (OM) after decalcification...
April 2017: Acta Odontológica Latinoamericana: AOL
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