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Brazilian Oral Research

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https://www.readbyqxmd.com/read/28678976/probiotic-therapy-reduces-inflammation-and-improves-intestinal-morphology-in-rats-with-induced-oral-mucositis
#1
Dayana Gerhard, Frederico José da Silva Simão de Sousa, Rodrigo Antonio Carvalho Andraus, Paulo Eduardo Pardo, Gisele Alborguetti Nai, Hermann Bremer Neto, Michel Reis Messora, Luciana Prado Maia
The aim of the present study was to evaluate the effect of systemic administration of probiotics (PROB) on the progression of experimentally induced oral and intestinal mucositis in rats immunosuppressed by chemotherapy (5-fluorouracil: 5-FU). Twenty-four rats were divided into the following groups (n=6): GC (control), GPROB, G5FU and G5-FU/PROB. Groups GPROB and G5-FU/PROB received 1 g of probiotic incorporated into each 100 g of feed (Bacillus subtilis, Bifidobacterium bifidum, Enterococcus faecium and Lactobacilllus acidophilus), beginning 30 days before oral mucositis induction...
July 3, 2017: Brazilian Oral Research
https://www.readbyqxmd.com/read/28678975/antibiotic-therapy-as-an-adjunct-to-scaling-and-root-planing-in-smokers-a-systematic-review-and-meta-analysis
#2
Naida Zanini Assem, Márcio Luiz Ferro Alves, Alessandra Barreto Lopes, Erivan Clementino Gualberto, Valdir Gouveia Garcia, Letícia Helena Theodoro
The aim of this study was to perform a systematic review and meta-analysis to examine the effect of systemic antibiotics in the periodontal treatment of smokers. The selection criteria were as follows: controlled randomized clinical trials; studies published in English; studies with smoker patients diagnosed with chronic periodontitis; patients without systemic diseases; studies that used systemic antibiotic therapy associated with periodontal treatment; studies that presented results for the test and control groups and assessments of clinical periodontal parameters, such as probing depth (PD), bleeding on probing (BOP), and clinical attachment level (CAL)...
July 3, 2017: Brazilian Oral Research
https://www.readbyqxmd.com/read/28678974/clinical-performance-and-failure-modes-of-pulpless-teeth-restored-with-posts-a-systematic-review
#3
Ana Maria Estivalete Marchionatti, Vinícius Felipe Wandscher, Marília Pivetta Rippe, Osvaldo Bazzan Kaizer, Luiz Felipe Valandro
The aim of this systematic review was to compare the clinical performance and failure modes of teeth restored with intra-radicular retainers. A search was performed on PubMed/Medline, Central and ClinicalTrials databases for randomized clinical trials comparing clinical behavior and failures of at least two types of retainers. From 341 detected papers, 16 were selected for full-text analysis, of which 9 met the eligibility criteria. A manual search added 2 more studies, totalizing 11 studies that were included in this review...
July 3, 2017: Brazilian Oral Research
https://www.readbyqxmd.com/read/28678973/translucency-and-color-stability-of-resin-composite-and-dental-adhesives-as-modeling-liquids-a-one-year-evaluation
#4
José Augusto Sedrez-Porto, Eliseu Aldrighi Münchow, Maximiliano Sérgio Cenci, Tatiana Pereira-Cenci
The aim of this study is to evaluate the influence of modeling liquids on the translucency and color shade of resin composites (RCs) after one year of storage. RC specimens were prepared using either a conventional insertion technique (control; without modeling liquid) or a restorative dental modeling insertion technique (RDMIT) with dental adhesives as modeling liquids (Scotchbond™ Multi-Purpose [SBMP; 3M ESPE] or Adper™ Single Bond 2 [SB; 3M ESPE]). The initial colors of the specimens were obtained with a digital spectrophotometer and the CIEL*a*b* color system, after which specimens were stored (37°C) in distilled water or red wine for 12 months...
July 3, 2017: Brazilian Oral Research
https://www.readbyqxmd.com/read/28678972/the-role-of-osterix-protein-in-the-pathogenesis-of-peripheral-ossifying-fibroma
#5
Vivian Narana Ribeiro El Achkar, Raphaella da Silveira Medeiros, Fernanda Gargano Longue, Ana Lia Anbinder, Estela Kaminagakura
Peripheral ossifying fibroma (POF) is a reactive lesion of oral tissues, associated with local factors such as trauma or presence of dental biofilm. POF treatment consists of curettage of the lesion combined with root scaling of adjacent teeth and/or removal of other sources of irritants. This study aimed to analyze the clinical and pathological features of POF and to investigate the immunoexpression of Osterix and STRO-1 proteins. Data such as age, gender, and size were obtained from 30 cases of POF. Microscopic features were assessed by conventional light microscopy using hematoxylin-eosin staining and immunohistochemical markers, and by polarized light microscopy using Picrosirius red staining...
July 3, 2017: Brazilian Oral Research
https://www.readbyqxmd.com/read/28678971/differential-diagnosis-and-clinical-management-of-periapical-radiopaque-hyperdense-jaw-lesions
#6
Brunno Santos Freitas Silva, Mike Reis Bueno, Fernanda P Yamamoto-Silva, Ricardo Santiago Gomez, Ove Andreas Peters, Carlos Estrela
Great attention has been given to the study of radiolucent periapical lesions to avert possible misdiagnosis of apical periodontitis associated with certain radiolucent non-endodontic lesions. However, there are a significant number of radiopaque lesions found in the periapical region, which could be equally relevant to endodontic practice. The diagnosis and management of these radiopaque/hyperdense lesions could be challenging to the endodontist. These bone alterations could be neoplastic, dysplastic or of metabolic origin...
July 3, 2017: Brazilian Oral Research
https://www.readbyqxmd.com/read/28678970/immunohistochemical-expression-of-tgf-%C3%AE-1-and-mmp-9-in-periapical-lesions
#7
Pâmella Recco Álvares, José Alcides Almeida de Arruda, Leorik Pereira da Silva, George João Ferreira do Nascimento, Maria Fonseca da Silveira, Ana Paula Veras Sobral
The objective of this study was to evaluate the expression of matrix metalloproteinase 9 (MMP-9) and transforming growth factor beta (TGF-β1) in periapical lesion samples correlated with the intensity of the inflammatory infiltrate and thickness of the epithelial lining. Forty-five cases of periapical lesions (23 periapical granulomas and 22 radicular cysts) were subjected to morphological and immunohistochemical analyses using anti-MMP-9 and anti-TGF-β1 antibodies. The data were analyzed using the following tests: non-parametric Mann-Whitney, chi-square, Fisher's exact test and Spearman's correlation test (P<0...
July 3, 2017: Brazilian Oral Research
https://www.readbyqxmd.com/read/28678969/the-need-for-endodontic-treatment-and-systemic-characteristics-of-hematopoietic-stem-cell-transplantation-patients
#8
Julia Mourão Braga-Diniz, Caroline Christine Santa-Rosa, Renata de Castro Martins, Maria Elisa Souza E Silva, Leda Quercia Vieira, Antônio Paulino Ribeiro Sobrinho
The aim of this study is to investigate the relationship between the epidemiological and clinical profiles of patients before and after hematopoietic stem cell transplantation (HSCT) and the need for endodontic treatment. The subjects included 188 individuals enrolled in the dental care program for transplanted patients of the School of Dentistry, Federal University of Minas Gerais (Faculdade de Odontologia da Universidade Federal de Minas Gerais, FO-UFMG) from March 2011 through March 2016. The patients were subjected to an HSCT conditioning dental regimen based on a thorough clinical and radiographic evaluation...
July 3, 2017: Brazilian Oral Research
https://www.readbyqxmd.com/read/28678968/evaluation-of-deflection-forces-of-orthodontic-wires-with-different-ligation-types
#9
José Fernando Castanha Henriques, Rodrigo Hitoshi Higa, Nayara Thiago Semenara, Guilherme Janson, Thais Maria Freire Fernandes, Renata Sathler
The aim of this study was to evaluate deflection forces of orthodontic wires of different alloys engaged into conventional brackets using several ligation types. Stainless steel, conventional superelastic nickel-titanium and thermally activated nickel-titanium archwires tied into conventional brackets by a ring-shaped elastomeric ligature (RSEL), a 8-shaped elastomeric ligature (8SEL) and a metal ligature (ML) were tested. A clinical simulation device was created especially for this study and forces were measured with an Instron Universal Testing Machine...
July 3, 2017: Brazilian Oral Research
https://www.readbyqxmd.com/read/28678967/reports-of-uncontrolled-clinical-trials-for-directly-placed-restorations-in-vital-teeth
#10
Steffen Mickenautsch, Veerasamy Yengopal
Uncontrolled trials are criticized as unreliable. This study aimed to establish how the number of published reports from uncontrolled clinical trials compares to that of controlled trials for directly placed restorations in vital teeth and whether their annual number is increasing, stable or decreasing. PubMed was searched and suitable citations of uncontrolled and controlled trial reports published between 1990-2016 were included. Reference check and hand searching were conducted. The median annual report number with 25 and 75% percentile was calculated for both types of trials...
July 3, 2017: Brazilian Oral Research
https://www.readbyqxmd.com/read/28678966/efficacy-of-two-mouthwashes-with-cetylpyridinium-chloride-a-controlled-randomized-clinical-trial
#11
Cassiano Kuchenbecker Rösing, Juliano Cavagni, Eduardo José Gaio, Francisco Wilker Mustafa Gomes Muniz, Nicolle Ranzan, Harry Juan Rivera Oballe, Stephanie Anagnostopoulos Friedrich, Raísa Maldonado Severo, Bernal Stewart, Yun Po Zhang
This study aimed to evaluate the anti-plaque and anti-gingivitis effects of two mouthwashes containing cetylpyridinium chloride (CPC), in comparison to negative control mouthwash. One hundred and twenty subjects were randomly assigned to study groups: test (0.075% CPC and 0.28% zinc lactate), positive control (0.07% CPC) and negative control mouthwash without CPC. All volunteers were examined by a calibrated examiner for the Quigley-Hein Plaque Index (Turesky modification) and Löe-Silness Gingival Index (GI)...
July 3, 2017: Brazilian Oral Research
https://www.readbyqxmd.com/read/28678965/calcium-hydroxide-associated-with-a-new-vehicle-psidium-cattleianum-leaf-extracts-tissue-response-evaluation
#12
Diego Valentim, Carlos Roberto Emerenciano Bueno, Vanessa Abreu Sanches Marques, Ana Maria Veiga Vasques, Marina Tolomei Sandoval Cury, Luciano Tavares Angelo Cintra, Eloi Dezan
The aim of this study was to evaluate edemogenic activity and subcutaneous inflammatory reaction induced by Psidium cattleianum leaf extracts associated with Ca(OH)2. Thirty male Wistar rats, split equally into three groups [aqueous extract + Ca(OH)2; ethanolic extract + Ca(OH)2; and propylene glycol + Ca(OH)2], were assessed every 3 h or 6 h (five animals in each period). Under general anesthesia, 0.2 mL of 1% Evans blue per 100 g of body weight was injected into the penile vein and each combination to be evaluated was subcutaneously injected into the dorsal region 30 min thereafter...
July 3, 2017: Brazilian Oral Research
https://www.readbyqxmd.com/read/28591242/3d-analysis-of-effects-of-primary-surgeries-in-cleft-lip-palate-children-during-the-first-two-years-of-life
#13
Karine Laskos Sakoda, Paula Karine Jorge, Cleide Felício Carvalho Carrara, Maria Aparecida de Andrade Moreira Machado, Fabrício Pinelli Valarelli, Arnaldo Pinzan, Thais Marchini Oliveira
This study aimed at monitoring the maxillary growth of children with cleft lip/palate in the first two years of life, and to evaluate the effects of primary surgeries on dental arch dimensions. The sample consisted of the three-dimensional digital models of 25 subjects with unilateral complete cleft lip and palate (UCLP) and 29 subjects with isolated cleft palate (CP). Maxillary arch dimensions were measured at 3 months (before lip repair), 1 year (before palate repair), and at 2 years of age. Student's ttest was used for comparison between the groups...
June 5, 2017: Brazilian Oral Research
https://www.readbyqxmd.com/read/28591241/the-anti-caries-activity-and-toxicity-of-an-experimental-propolis-containing-varnish
#14
Mariana Passos DE Luca, Irlan Almeida Freires, Alfonso Gala-García, Vagner Rodrigues Santos, Miriam Pimenta Vale, Severino Matias de Alencar, Pedro Luiz Rosalen
We investigated the anti-caries effects of an experimental propolis varnish in vivo, and further tested its toxicity against fibroblasts. Fifty-six SPF female Wistar rats were infected with Streptococcus mutans UA159 (SM) and allocated into four groups (n = 14/group): G1, propolis varnish (15%/PV); G2, chitosan varnish (CV/vehicle); G3, gold standard (GS/Duraphat®); and G4, untreated. The animals received a single varnish application on their molars and were submitted to a high cariogenic challenge (Diet-2000, 56% sucrose, and 5% sucrose-added water, ad libitum) for 4 weeks...
June 5, 2017: Brazilian Oral Research
https://www.readbyqxmd.com/read/28591240/a-randomized-clinical-trial-on-the-sealing-of-occlusal-carious-lesions-3-4-year-results
#15
RANDOMIZED CONTROLLED TRIAL
Luana Severo Alves, Fernanda Cristina Mendes de Santa Giongo, Bruna Mua, Vanessa Balbé Martins, Berenice Barbachan E Silva, Vibeke Qvist, Marisa Maltz
This randomized clinical trial aimed to assess the efficacy of sealing occlusal carious lesions in permanent teeth. The sample consisted of 54 occlusal carious lesions in permanent molars and premolars of 49 patients aged 8-43 years (median: 19 years). The inclusion criteria comprised the presence of a cavity with no access allowing biofilm control. The maximum depth of the lesion was the middle third of the dentin thickness, as assessed by bitewing radiography. The teeth were randomly assigned to sealant treatment (n = 28) or restorative treatment (n = 26)...
June 5, 2017: Brazilian Oral Research
https://www.readbyqxmd.com/read/28591239/association-between-crack-cocaine-use-and-reduced-salivary-flow
#16
Raquel Pippi Antoniazzi, Amanda Rodrigues Sari, Maísa Casarin, Cristina Machado Bragança de Moraes, Carlos Alberto Feldens
Crack cocaine use appears to have an impact on oral conditions. However, changes in the salivary flow among crack users have not been fully clarified. The aim of this study was to compare stimulated salivary flow and the occurrence of hyposalivation between crack users and non-users. A cross-sectional study was conducted involving 40 crack users and 40 controls matched for sex, age, and smoking habits. Interviews were conducted to acquire data on the perception of dry mouth (xerostomia) and drug use. Stimulated salivary flow was determined using the spitting method...
June 5, 2017: Brazilian Oral Research
https://www.readbyqxmd.com/read/28591238/salivary-protein-polymorphisms-and-risk-of-dental-caries-a-systematic-review
#17
REVIEW
Andrea Lips, Leonardo Santos Antunes, Lívia Azeredo Antunes, Andrea Vaz Braga Pintor, Diana Amado Baptista Dos Santos, Rober Bachinski, Erika Calvano Küchler, Gutemberg Gomes Alves
Dental caries is an oral pathology associated with both lifestyle and genetic factors. The caries process can be influenced by salivary composition, which includes ions and proteins. Studies have described associations between salivary protein polymorphisms and dental caries experience, while others have shown no association with salivary proteins genetic variability. The aim of this study is to assess the influence of salivary protein polymorphisms on the risk of dental caries by means of a systematic review of the current literature...
June 5, 2017: Brazilian Oral Research
https://www.readbyqxmd.com/read/28591237/association-between-pathogens-from-tracheal-aspirate-and-oral-biofilm-of-patients-on-mechanical-ventilation
#18
Luana Carneiro Diniz Souza, Vanise Barros Rodrigues da Mota, Alícia Valéria Dos Santos Zaranza de Carvalho, Rita da Graça Carvalhal Frazão Corrêa, Silvana Amado Libério, Fernanda Ferreira Lopes
The aim of this study was to detect possible associations between respiratory pathogens from tracheal aspirate and oral biofilm samples in intubated patients in an intensive care unit (ICU), and to identify the most common respiratory pathogens in oral biofilm, particularly in patients that developed ventilator-associated pneumonia (VAP). Two oral biofilm samples were collected from the tongue of intubated patients (at admission and after 48 hours) and analyzed by culture with the Antibiotic Sensitivity Test...
June 5, 2017: Brazilian Oral Research
https://www.readbyqxmd.com/read/28591236/predictors-of-success-for-mandibular-repositioning-appliance-in-obstructive-sleep-apnea-syndrome
#19
Thays Crosara Abrahão Cunha, Thais de Moura Guimarães, Teresa Cristina Barros Schultz, Fernanda Ribeiro de Almeida, Thulio Marquez Cunha, Paulo Cezar Simamoto, Lia Rita Azeredo Bittencourt
The characteristics of non-obese patients with mild to moderate Obstructive Sleep Apnea Syndrome (OSAS) who will present with a good response to Mandibular Repositioning Appliance (MRA) treatment have not yet been well established in the literature. The aim of this study is to assess whether polysomnographic (PSG), demographic, anthropometric, cephalometric, and otorhinolaryngological parameters predict MRA success in the treatment of OSAS. Forty (40) males with mild and moderate OSAS were assessed pretreatment and 2-months post-treatment after wearing an MRA...
June 5, 2017: Brazilian Oral Research
https://www.readbyqxmd.com/read/28513789/effect-of-final-irrigation-protocols-on-microhardness-reduction-and-erosion-of-root-canal-dentin
#20
Flávia Emi Razera Baldasso, Luana Roleto, Vinicius Duval da Silva, Renata Dornelles Morgental, Patrícia Maria Poli Kopper
This study aimed to evaluate the effect of final irrigation protocols on microhardness reduction and erosion of root canal dentin. Sixty root canals from mandibular incisors were instrumented and randomly divided into six groups (n = 10) according to the irrigant used: QMiX, 17% EDTA, 10% citric acid (CA), 1% peracetic acid (PA), 2.5% NaOCl (solution control), and distilled water (negative control). The chelating solutions were used to irrigate the canal followed by 2.5% NaOCl as a final flush. After the irrigation protocols, all specimens were rinsed with 10 mL of distilled water to remove any residue of the chemical solutions...
May 15, 2017: Brazilian Oral Research
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