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Acta Odontológica Latinoamericana: AOL

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https://www.readbyqxmd.com/read/28383607/efectiveness-of-the-waveone-and-protaper-d-systems-for-removing-gutta-percha-with-or-without-a-solvent
#1
Ana Pm Colombo, Carlos E Fontana, Aline Godoy, Alexandre S De Martin, Augusto S Kato, Daniel Gp Rocha, Rina A Pelegrine, Carlos Es Bueno
Endodontic retreatment requires complete removal of the filling material and access to the apical foramen. The purpose of this study was to evaluate the effectiveness of the Wave One reciprocating system and compare it to the ProTaper D rotarysystem, with or without the use of a solvent, in removing filling material from root canals. The time required for each filling removal technique employed was also determined and compared. Forty extracted human mandibular premolars with a single, straight, flattened canal were prepared and filled...
December 2016: Acta Odontológica Latinoamericana: AOL
https://www.readbyqxmd.com/read/28383606/generalized-aggressive-periodontitis-microbiological-composition-and-clinical-parameters-in-non-surgical-therapy
#2
María M Usin, Sandra M Tabares, Julieta Menso, Estela R de Albera, Adela Sembaj
The aim of this study was to determine the variations in periodontal parameters and microbiological composition in periodontal pockets at the baseline and 3 and 6 months post treatmentin patients with Generalized Aggressive Periodontitis(GAP) undergoing non surgical periodontal treatment combined with chlorhexidine and systemic antibiotics. Medical and dental history was taken from 10 subjects, average age 30.6±2.7 years, diagnosed with GAP. A non surgical periodontal treatment combined with 0.12% chlorhexidine, 875 mg amoxicillin and 500 mg metronidazole every 12 hours for ten days was conducted...
December 2016: Acta Odontológica Latinoamericana: AOL
https://www.readbyqxmd.com/read/28383605/evaluation-of-fracture-torque-resistance-of-orthodontic-mini-implants
#3
Fernando Dalla Rosa, Paola Fp Burmann, Henrique C Ruschel, Ivana A Vargas, Paulo F Kramer
This study sought to assess the fracture torque resistance of mini-implants used for orthodontic anchorage. Five commercially available brands of mini-implants were used (SIN®, CONEXÃO®, NEODENT®, MORELLI®, andFORESTADENT®). Ten mini-implants of each diameter of each brand were tested, for a total 100 specimens. The mini-implants were subject to a static torsion test as described in ASTMstandard F543. Analysis of variance (ANOVA) with the Tukey multiple comparisons procedure was used to assess results...
December 2016: Acta Odontológica Latinoamericana: AOL
https://www.readbyqxmd.com/read/28383604/microbiological-contamination-in-digital-radiography-evaluation-at-the-radiology-clinic-of-an-educational-institution
#4
Cristiana P Malta, Naiana Nl Damasceno, Rosangela A Ribeiro, Carolina Sf Silva, Karina L Devito
The aim of this study was to evaluate the contamination rate of intra and extraoral digital X ray equipment in a dental radiology clinic at a public educational institution. Samples were collected on three different days, at two times in the day: in the morning, before attending patients, and at the end of the day, after appointment hours and before cleaning and disinfection procedures. Samples were collected from the periapical X-ray machine (tube head, positioning device, control panel and activator button), the panoramic X- ray machine (temporal support, bite block, control panel and activator button), the intraoral digital system (sensor), and the digital system computers (keyboard and mouse)...
December 2016: Acta Odontológica Latinoamericana: AOL
https://www.readbyqxmd.com/read/28383603/mucoepidermoid-carcinoma-of-the-salivary-glands-a-retrospective-study-of-51-cases-and-review-of-the-literature
#5
Janet O Guevara-Canales, Rafael Morales-Vadillo, Guillermo Guzmán-Arias, Carlos E Cava-Vergiú, Henry Guerra-Miller, Jaime E Montes-Gil
The aim of this study is to present the casuistic of mucoepidermoid carcinoma of salivary glands in patients diagnosed at "Dr. Eduardo Cáceres Graziani" National Institute for Neoplastic Diseases, Lima, Perú. From January 2002 to December 2012, 51 cases were diagnosed as mucoepidermoid carcinoma. The number of female patients was higher, with 28 cases (54.9%), and regarding age distribution, 33.3% of the patients were under 30 years old. Pain was one of the main symptoms, and 74.5% of the mucoepidermoid carcinomas were located in the parotid gland...
December 2016: Acta Odontológica Latinoamericana: AOL
https://www.readbyqxmd.com/read/28383602/fungal-contamination-and-disinfection-of-dental-chairs-teresina-piaui-brazil
#6
Antônio Iv de Almondes, Jhonatta Op de Araújo, Larissa Mendes de Sirqueira Amaral, Renandro C Reis, Jhonatas Cs Porto, João Batista Teles, Thiago L Monte, Iraci de Ms Noleto, Tanit C Santos, Ivonizete P Ribeiro, Mitra Mobin
The aim of this study was to analyze fungal contamination on dental chairs at the clinic of a Higher Education Institution in TeresinaPI, Brazil, and to evaluate the effectiveness of different disinfectants: 70% alcohol and 1% sodium hypochlorite. We selected the five sites with most contact between patient and chair: headrest, backrest, armrests, seat and foot rest. Samples were collected from these sites on 14 chairs and inoculated in agar Sabouraud culture medium containing chloramphenicol. Pathogenic fungi were isolated from all sampling sites on the chairs...
December 2016: Acta Odontológica Latinoamericana: AOL
https://www.readbyqxmd.com/read/28383601/temporomandibular-joint-involvement-in-rheumatoid-arthritis-patients-association-between-clinical-and-tomographic-data
#7
Patrícia Cf Cordeiro, Josemar P Guimaraes, Viviane A de Souza, Isabela M Dias, Jesca Nn Silva, Karina L Devito, Leticia L Bonato
Rheumatoid arthritis (RA) is a systemic autoimmune disease characterized by chronic inflammation and synovial hyperplasia, which usually affects multiple joints. The temporomandibular joint (TMJ) becomes susceptible to the development of changes resulting from RA. The aim of this study was to evaluate the presence of TMD and degenerative bone changes in TMJ in patients diagnosed with RA (rheumatoid arthritis). The Research Diagnostic Criteria for Temporomandibular Disorders (RDC/ TMD) questionnaire was used for clinical evaluation of the TMJ and for TMD classification of 49 patients of both sexes and all ages...
December 2016: Acta Odontológica Latinoamericana: AOL
https://www.readbyqxmd.com/read/28383600/perception-of-discomfort-during-injection-and-the-need-for-supplemental-anesthesia-in-the-intraosseous-technique-using-4-articaine
#8
Adel Martínez Martínez, María Del Pilar Lujan Pardo, Jonathan Harris Ricardo
The authors conducted an experimental study to determine patient perception of discomfort during injection and the need for supplemental anesthesia using the intraosseous technique with 4% articaine with 1:100,000 epinephrine in patients with symptomatic pulpitis in mandibular molars. At different clinical sessions, researchers used 4% articaine with 1:100,000 epinephrine to apply intraosseous injection (Group 1) or inferior alveolar nerve block (Group 2). Each technique was applied in 35 patients. In each group, the need for additional anesthesia was determined and patient discomfort during injection was assessed with a Visual Analogue Scale (VAS) test...
December 2016: Acta Odontológica Latinoamericana: AOL
https://www.readbyqxmd.com/read/28383599/assessment-of-knowledge-on-temporomandibular-disorders-among-mexican-dental-educators
#9
Irene A Espinosa, Edgar M Pérez, Yoly M Gonzalez, Alejandro Corona
Temporomandibular disorders (TMDs) is an umbrella term that embraces a group of musculoskeletal and neuromuscular conditions that involve the temporomandibular joints, muscles and all associated tissues. Because of the relatively high number of patients with TMDs in the population, instruction in this area of health care should be included on all dental curricula. Although levels of knowledge among dentists have been evaluated in several countries, they have not been in Mexico. This study evaluates the dental faculty's range of knowledge about TMD at five dental schools in Puebla, Mexico...
December 2016: Acta Odontológica Latinoamericana: AOL
https://www.readbyqxmd.com/read/28383598/genetic-relatedness-of-peri-implants-and-buccal-candida-albicans-isolates-determined-by-rapd-pcr
#10
Adriana M Bertone, Alcira C Rosa, Natalia Nastri, Hector D Santillán, Yamila Ariza, Cristina A Iovannitti, Virginia M Jewtuchowicz
Molecular techniques have been used in recent studies to identify a wide range of potential bacterial pathogens in periimplant pockets of the oral cavity. However, the prevalence and molecular epidemiology of yeasts and species distribution related to periimplantitis are as yet unknown. The aim of this study was to determine the prevalence and distribution of yeasts in periimplant biofilm and to study genetic relatedness of Candida albicans. Yeasts recovered from periimplant biofilm samples (n=89) and buccal samples (n=120) were studied in 40 immunocompetent nonsmoking patients who visited the dental clinic of the Asociación Implantodontológica Argentina, Buenos Aires, Argentina, and had received oral rehabilitation with implants for more than five years...
December 2016: Acta Odontológica Latinoamericana: AOL
https://www.readbyqxmd.com/read/27731489/influence-of-oral-health-on-quality-of-life-in-pregnant-women
#11
Suzely As Moimaz, Najara B Rocha, Artênio Ji Garbin, Cléa As Garbin, Orlando Saliba
This study evaluated the relationships between oral conditions and oral health-related quality of life (OHRQoL), as well as related factors. A crosssectional study was performed on 119 postnatal women who had sought prenatal care during pregnancy in the public health system of São Paulo State, Brazil. The women received oral clinical exams and were interviewed using the questions on the OHIP14. A second survey with information about their socioeconomic status, pregnancy and health habits was administered. The highest OHIP14 scores were found in the area of physical pain, with an average score of 10...
September 2016: Acta Odontológica Latinoamericana: AOL
https://www.readbyqxmd.com/read/27731488/salivary-protein-characteristics-from-saliva-of-carious-lesionfree-and-high-caries-adults
#12
Ramiro J Castro, Raúl Herrera, Rodrigo A Giacaman
It has been argued that specific salivary proteins could have a protective effect against caries, but data from the many available studies are rather contradictory. The purpose of this study was to analyze whether there is a relationship between protein concentration, electrophoretic profile and concentration of salivary IgA and the presence or absence of caries in adults. Adults with high caries activity (HC) and without caries lesions (CF), assessed by ICDAS criteria, were asked to provide unstimulated saliva samples...
September 2016: Acta Odontológica Latinoamericana: AOL
https://www.readbyqxmd.com/read/27731487/sequential-administration-of-alendronate-and-strontium-ranelate-histomorphometry-and-bone-biomechanics-in-ovariectomized-animals
#13
Diego H Díaz, Julieta A Rodas, Clarisa E Bozzini, Patricia M Mandalunis, Natalia D Escudero
Bisphosphonates are the first choice therapy for the pharmaco logical treatment of osteoporosis. Following reports of cases of bisphosphonaterelated osteonecrosis of the jaw and atypical femur fracture, the safety of longterm use of bisphosphonates has been evaluated, resulting in the proposal of strontium as an alternative drug. No experimental study using a sequential administration design has been reported to date. Hence, the aim of this study was to evaluate the effect on bone tissue of ovariectomized rats of administration of alendronate followed by strontium ranelate...
September 2016: Acta Odontológica Latinoamericana: AOL
https://www.readbyqxmd.com/read/27731486/masking-ability-of-opaque-thickness-on-layered-metal-ceramic
#14
Cari M Pieper, Renato Fa Waldemarin, Guilherme B Camacho
This study evaluated the masking ability of two opaques applied in different thicknesses. Eighty NiCr metal discs 16 mm in diameter and 1.0 mm thick were prepared. The disks were divided into 8 groups (n = 10). Ceramic opaque in paste (groups 1 to 4) or powder (groups 5 to 8) presentations were applied. They were machined with aluminum oxide burs to the following thicknesses: G1 and G5 = 0.10 mm; G2 and G6 = 0.15 mm; G3 and G7 = 0.20 mm and G4 and G8 = 0.30 mm. Dentin ceramic 0.7 mm thick was applied over these discs, sintered and glazed according manufacturer's instructions...
September 2016: Acta Odontológica Latinoamericana: AOL
https://www.readbyqxmd.com/read/27731485/oral-health-related-quality-of-life-in-the-elderly-population-receiving-health-care-at-the-public-hospital-network-in-medell%C3%A3-n-colombia-and-its-related-factors
#15
Edwin J Meneses-Gómez, Adriana Posada-López, Andrés A Agudelo-Suarez
Metrosalud is the largest public hospital network in the city of Medellin and one of the most important in Colombia providing health care to the most vulnerable population. The objective of the study was to determine the Oral HealthRelated Quality of Life (OHRQoL) and its related factors in the elderly population receiving health care at the public hospital network in Medellin (Colombia). A crosssectional design was used. Men and women ≥ 65 years old were considered for this research, selected from first consultation records by the institution's statistical unit for 2011, who accepted to participate after being contacted by telephone...
September 2016: Acta Odontológica Latinoamericana: AOL
https://www.readbyqxmd.com/read/27731484/characterization-of-third-molar-morphometric-variables
#16
Pablo W Trinks, María Belén Grifo, Fernando Pari, Mariano Ar Amer, Gabriel A Sánchez
The third molar is a tooth of anatomical, surgical, prosthetic and forensic dental interest. However, there is currently a lack of updated data regarding its morphology. The aim of this study was to determine the morphometric features of third molars and their predictive capability as regards dental arch and side. Two calibrated operators (ƙ = 0.83) determined the cervicalocclusalvestibular (COV), cervicalocclusalpalatal (COP) and occlusalapical (OA) distances, mesiodistal (MD), and vestibularpalatal (VP) diameters, number of roots (R) and number of cusps (C) of 961 cadaveric third molars, both upper (n = 462) and lower (n = 499), using a CONCOR 050 thin mandible caliper (resolution 0...
September 2016: Acta Odontológica Latinoamericana: AOL
https://www.readbyqxmd.com/read/27731483/immunolocalization-of-the-tgfb1-system-in-submandibular-gland-fibrosis-after-experimental-periodontitis-in-rats
#17
Candela R González, Mariano Ar Amer, Alfredo D Vitullo, Silvia I González-Calvar, María I Vacas
Saliva is the first barrier to entry of bacteria and viruses into the body. The submandibular glands (SMG) contribute to the maintenance of oral health and regulation of immune/ inflam matory responses. Previous studies suggest that transforming growth factor beta 1 (TGFB1) may contribute to salivary gland fibrosis but the expression of the TGFB1 system in the SMG has not been elucidated. Thus, the aim of this study was to analyze in rat SMG the immunolocalization of TGFB1 and its specific receptors ALK5 (profibrotic) and ALK1 (proproliferative) and the coreceptor endoglin (EDG) in a bilateral experimental periodontitis (EP) model (cotton thread ligature around the neck of the first lower molars) for 1 and 6 weeks...
September 2016: Acta Odontológica Latinoamericana: AOL
https://www.readbyqxmd.com/read/27731482/comparison-of-frictional-resistance-among-conventional-active-and-passive-selfligating-brackets-with-different-combinations-of-arch-wires-a-finite-elements-study
#18
Sandra L Gómez, Yesid Montoya, Nora L Garcia, Ana L Virgen, Javier E Botero
The aim of this study was to compare frictional resistance among conventional, passive and active selfligating brackets using Finite Elements Analysis (FEA). Seventynine (79) slide tests were performed by combining an upper first bicuspid conventional bracket, 0.018" stainless steel wires and 0.010" ligature by means of an INSTRON 3345 load system to obtain average maximum static frictional resistance (MSFR). This value was compared to the FR (frictional resistance) obtained by simulation of a slide of the same combination by FEA following conventional bracket modeling by means of Computer Aided Design (CAD)...
September 2016: Acta Odontológica Latinoamericana: AOL
https://www.readbyqxmd.com/read/27731481/effects-of-new-implant-retained-overdentures-on-masticatory-function-satisfaction-and-quality-of-life
#19
Francielle A Mendes, Tânia de F Borges, Luiz C Gonçalves, Terezinha Rc de Oliveira, Célio J do Prado, Flávio D das Neves
The aim of this study is to evaluate the effects of replacing poorly fitting dentures on patient's masticatory function, satisfaction and oral health-related quality of life. Fourteen patients with conventional maxillary complete dentures and mandibular overdentures retained by two implants bar clip system had their dentures replaced. The laboratory tests for the analysis of masticatory performance were conducted using an "Optocal" food simulator test. Questionnaires were used to evaluate patient satisfaction with dentures and impact of oral health on quality of life...
September 2016: Acta Odontológica Latinoamericana: AOL
https://www.readbyqxmd.com/read/27731480/lower-incisor-inclination-regarding-different-reference-planes
#20
Brenda Zataráin, Josué Avila, Angeles Moyaho, Rosendo Carrasco, Carmen Velasco
The purpose of this study was to assess the degree of lower incisor inclination with respect to different reference planes. It was an observational, analytical, longitudinal, prospective study conducted on 100 lateral cephalograms which were corrected according to the photograph in natural head position in order to draw the true vertical plane (TVP). The incisor mandibular plane angle (IMPA) was compensated to eliminate the variation of the mandibular plane growth type with the formula "FMApx.- 25 (FMA) + IMPApx...
September 2016: Acta Odontológica Latinoamericana: AOL
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