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Acta Odontológica Latinoamericana: AOL

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https://www.readbyqxmd.com/read/27731489/influence-of-oral-health-on-quality-of-life-in-pregnant-women
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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
#9
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
#10
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
https://www.readbyqxmd.com/read/27731479/alveolar-dimensional-changes-relevant-to-implant-placement-after-minimally-traumatic-tooth-extraction-with-primary-closure
#11
Nelson Carranza, Hernan Bonta, Ariel F Gualtieri, Mariana A Rojas, Federico G Galli, Facundo Caride
The purpose of this study is to evaluate the dimensional changes that occur in the alveolar ridge after minimally traumatic tooth extraction by means of computed tomography (CT), with special focus on the portion of bone supporting the gingival zenith. Twenty subjects with indication for singlerooted tooth extraction and preserved alveolar walls were selected for this study. After a minimally traumatic extraction, two CT scans were performed; the first within 24 hours postextraction (TC1) and the second 6 months (TC2) later...
September 2016: Acta Odontológica Latinoamericana: AOL
https://www.readbyqxmd.com/read/27731478/prevalence-of-self-reported-halitosis-and-associated-factors-in-adolescents-from-southern-brazil
#12
Montalverne Hb Lopes, Cassiano K Rösing, Paulo Roberto G Colussi, Francisco Wilker Mg Muniz, Maria Ss Linden
The aim of this study was to assess the prevalence of selfreported halitosis and associated factors in adolescents from Passo Fundo, Brazil. Additionally, we studied adolescents' concern with their own breath and whether anyone had ever told them that they had halitosis. A crosssectional observational survey was conducted on 15to 19year old high school students from public and private schools in the city of Passo Fundo, Brazil. The random sample consisted of 736 adolescents from 20 schools. An interview with a structured questionnaire was administered...
September 2016: Acta Odontológica Latinoamericana: AOL
https://www.readbyqxmd.com/read/27701503/toothbrushing-procedure-in-schoolchildren-with-no-previous-formal-instruction-variables-associated-to-dental-biofilm-removal
#13
Glenda N Rossi, Ana L Sorazabal, Pablo A Salgado, Aldo F Squassi, Graciela L Klemonskis
The aim of this study was to establish the association between features regarding brushing procedure performed by schoolchildren without previous formal training and the effectiveness of biofilm removal. Out of a population of 8900 6- and 7-year-old schoolchildren in Buenos Aires City, 600 children were selected from schools located in homogeneous risk areas. Informed consent was requested from parents or guardians and formal assent was obtained from children themselves. The final sample consisted of 316 subjects...
April 2016: Acta Odontológica Latinoamericana: AOL
https://www.readbyqxmd.com/read/27701502/efficacy-of-three-thermoplastic-obturation-techniques-in-filling-oval-shaped-root-canals
#14
Amanda B Farias, Key Fs Pereira, Daniele Z Beraldo, Franciely Ms Yoshinari, Fabio N Arashiro, Edilson J Zafalon
The purpose of this study was to assess the efficacy of the thermoplastic filling techniques, Touch'n Heat®, TC® System and Tagger's Hybrid Technique, in oval-shaped canals at the apical third.Thirty-three human uniradicular lower pre-molar teeth were treated by the reciprocating movement technique and were subsequently split into 3 groups, according to the filling technique performed:Touch'n Heat (TH), TC System (TC) and the Tagger's Hybrid Technique (TG).In the sequence, the teeth were sectioned at 2mm and 4mm from the foramen and images were taken to measure the percentage of canal area filled with the obturation materials as well as void spaces...
April 2016: Acta Odontológica Latinoamericana: AOL
https://www.readbyqxmd.com/read/27701501/dental-bleaching-with-ozone-effects-on-color-and-enamel-microhardness
#15
Manuella Sca Santana, Enrico C Bridi, Ricardo S Navarro, Carlos J de Lima, Adriana B Fernandes, Flávia Lb do Amaral, Fabiana Mg França, Cecilia P Turssi, Roberta T Basting
The aim of this in vitro study was to evaluate the effects of dental bleaching with ozone (O3) on color change and enamel microhardness. Enamel blocks (3 x 3 x 3mm) were randomly distributed for treatments (n=10). Color change (ΔE) and Knoop microhardness of the enamel blocks were evaluated before and after the following treatments: C - deionized water (control); HP - 37.5% hydrogen peroxide (Pola Office+/ SDI); PLA - placebo gel; O3 - ozone; and O2 - oxygen. Four 8-minute applications were used for HP and PLA, and one 19-minute application for O3 and O2...
April 2016: Acta Odontológica Latinoamericana: AOL
https://www.readbyqxmd.com/read/27701500/effect-of-angiotensin-converting-enzyme-inhibitors-on-vascular-endothelial-function-in-hypertensive-patients-after-intensive-periodontal-treatment
#16
María C Rubio, Pablo G Lewin, Griselda De la Cruz, Andrea N Sarudiansky, Mauricio Nieto, Osvaldo R Costa, Liliana N Nicolosi
: There is a relation between vascular endothelial function, atherosclerotic disease, and inflammation. Deterioration of endothelial function has been observed twenty-four hours after intensive periodontal treatment. This effect may be counteracted by the action of angiotensin-converting enzyme inhibitors, which improve endothelial function. The aim of the present study was to evaluate vascular endothelial function after intensive periodontal treatment, in hypertensive patients treated with angiotensinconverting enzyme inhibitors...
April 2016: Acta Odontológica Latinoamericana: AOL
https://www.readbyqxmd.com/read/27701499/frequency-of-the-mesiopalatal-canal-in-upper-first-permanent-molars-viewed-through-computed-tomography
#17
Carlos Am Falcão, Verbena C Albuquerque, Neusinárya Ls Amorim, Sérgio Ap Freitas, Tanit C Santos, Francisca Tc Matos, Maria Aal Ferraz
The success of any endodontic therapy depends on factors such as correct diagnosis and prognosis. Unawareness or failure to locate additional canals, such as the mesiopalatal canal in the upper first molar, may lead to unsuccessful treatment. Hence, it is valid to consider all the resources available for locating this anatomic structure, e.g. the Cone-Beam Computed Tomography (CBCT). The purpose of this study was to verify the frequency of mesiopalatal canals in upper first permanent molars through computed tomography...
April 2016: Acta Odontológica Latinoamericana: AOL
https://www.readbyqxmd.com/read/27701498/creatine-metabolism-detection-of-creatine-and-guanidinoacetate-in-saliva-of-healthy-subjects
#18
Lidia D Martínez, Miriam Bezard, Mabel Brunotto, Raquel Dodelson de Kremer
Creatine (Cr) plays an important role in storage and transmission of phosphate-bound energy. Cerebral creatine deficiency syndromes comprise three inherited defects in Cr biosynthesis and transport. The aim of this study was to investigate whether Cr and Guanidinoacetate (GAA) can be detected in saliva of healthy subjects and to establish the relationship between salivary and plasma levels of these molecules. An adapted gas chromatography (GC) method is described for the quantification of Cr and GAA biomarkers in saliva...
April 2016: Acta Odontológica Latinoamericana: AOL
https://www.readbyqxmd.com/read/27701497/nickel-allergy-blood-and-periodontal-evaluation-after-orthodontic-treatment
#19
Camila A Pazzini, Luciano J Pereira, Ana P Peconick, Leandro S Marques, Saul M Paiva
The aim of this study was to assess periodontal status and blood parameters in orthodontic patients with nickel allergy one month after removal of brackets. Ninety-six randomly selected patients were initially evaluated. Allergy to nickel was diagnosed using a patch test. After determining the prevalence of subjects allergic to nickel, two groups were formed: 16 allergic (experimental) and 16 non-allergic (control) patients. Their periodontal status was determined regularly by a single, blinded, duly calibrated examiner using the Löe Index (GI) and their blood was tested (complete blood test, including nickel and IgE levels) after nine months of orthodontic treatment and again one month after removing the orthodontic appliances...
April 2016: Acta Odontológica Latinoamericana: AOL
https://www.readbyqxmd.com/read/27701496/post-bleaching-sensitivity-in-patients-with-sickle-cell-disease
#20
Guacyra M Lisboa, Verónica L Guedes, Maria do R Ml Luna, Américo M Carneiro-Jr, Roberto C Stegun
Sickle cell disease (SCD) is a monogenic disease that affects millions of people worldwide. This study analyzed the effectiveness of bleaching and tooth sensitivity after in-office bleaching in patients with SCD. Forty volunteers were randomly assigned to four groups of 10 patients each (five with the SCD and five healthy controls) and treated using in-office bleaching with 35% hydrogen peroxide and different light activation protocols. No statistically significant difference was observed with relation to presence of tooth sensitivity, with or without use of a source of light for peroxide activation, and all bleaching therapies were effective, regardless of the technique employed and the presence/absence of sickle cell disease...
April 2016: Acta Odontológica Latinoamericana: AOL
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