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Brazilian Oral Research

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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
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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
https://www.readbyqxmd.com/read/28513788/comparisons-of-iga-response-in-saliva-and-colostrum-against-oral-streptococci-species
#9
Barbara Bellocchio Bertoldo, Camilla Beatriz da Silva, Denise Bertulucci Rocha Rodrigues, Vinicius Rangel Geraldo-Martins, Virginia Paes Leme Ferriani, Ruchele Dias Nogueira
The present study compared IgA specificity against oral streptococci in colostrum and saliva samples. Sixty-two mother-and-child pairs were included; samples of colostrum (C) and saliva (MS) were collected from the mothers and saliva samples were collected from babies (BS). The specificity of IgA against Streptococcus mutans and S. mitis were analyzed by western blot. Only 30% of babies' samples presented IgA reactivity to S. mutans, while 74 and 80% of MS and C, respectively, presented this response. IgA reactivity to S...
May 15, 2017: Brazilian Oral Research
https://www.readbyqxmd.com/read/28513787/does-the-trait-anxiety-affect-the-dental-fear
#10
Yusuf Cetin Doganer, Umit Aydogan, Hande Ucler Yesil, James Edwin Rohrer, Mark Douglas Williams, David Charles Agerter
The aims of the present study were to evaluate possible associations between trait anxiety, dental fear and the predictors of these interactions including demographic characteristics and dental history of patients applied to the dental care center in Ankara, Turkey. A sample of 607 participants (mean age: 21.02 ± 2.32) responded to a Turkish version of the Modified Dental Fear Survey (MDFS), the State-Trait Anxiety Inventory (STAI-T) and a questionnaire regarding previous negative dental experience. Multiple logistic regression analysis was used to identify the association between dental fear and the independent variables including trait anxiety, age groups, education level, dental visit frequency, experience and the source of dental knowledge...
May 4, 2017: Brazilian Oral Research
https://www.readbyqxmd.com/read/28513786/3-year-survival-rates-of-retained-composite-resin-and-art-sealants-using-two-assessment-criteria
#11
RANDOMIZED CONTROLLED TRIAL
Leandro Augusto Hilgert, Soraya Coelho Leal, Gabriela Mesquita Lopes Freire, Jan Mulder, Jo E Frencken
The aim was to test the null-hypothesis that there is no difference in the cumulative survival rate of retained composite resin (CR) sealants and a high-viscosity glass-ionomer Atraumatic Restorative Treatment (ART) sealant in first permanent molars calculated according to the traditional and the modified retention assessment criteria over a period of 3 years. This cluster-randomized controlled clinical trial consisted of 123 schoolchildren, 6-7-years-old. At baseline, high-caries risk pits and fissures of fully erupted first permanent molars were treated with CR and ART sealants...
May 4, 2017: Brazilian Oral Research
https://www.readbyqxmd.com/read/28513785/microbiological-outcomes-from-different-periodontal-maintenance-interventions-a-systematic-review
#12
REVIEW
Patricia Daniela Melchiors Angst, Amanda Finger Stadler, Rui Vicente Oppermann, Sabrina Carvalho Gomes
This study aimed to investigate the differences in the subgingival microbiological outcomes between periodontal patients submitted to a supragingival control (SPG) regimen as compared to subgingival scaling and root planing performed combined with supragingival debridement (SPG + SBG) intervention during the periodontal maintenance period (PMP). A systematic literature search using electronic databases (MEDLINE and EMBASE) was conducted looking for articles published up to August 2016 and independent of language...
May 4, 2017: Brazilian Oral Research
https://www.readbyqxmd.com/read/28513784/chlorhexidine-with-or-without-alcohol-against-biofilm-formation-efficacy-adverse-events-and-taste-preference
#13
RANDOMIZED CONTROLLED TRIAL
Gabriela Otero Dos Santos, Fernanda Carpes Milanesi, Bruna Frizon Greggianin, Marilene Issa Fernandes, Rui Vicente Oppermann, Patricia Weidlich
In recent years, different chlorhexidine formulations have been tested, including an alcohol-free alternative, but the effect of this solution on early biofilm formation is not clear. A crossover, randomized, double-blind clinical trial was conducted to evaluate the effect of two chlorhexidine solutions against supra- and subgingival biofilm formation (NCT#02656251). Thirty-five participants were randomized and asked to rinse twice daily with 15 ml of an alcohol-containing 0.12% chlorhexidine solution, an alcohol-free 0...
May 4, 2017: Brazilian Oral Research
https://www.readbyqxmd.com/read/28513783/influence-of-addition-of-2-methacryloyloxy-ethyl-trimethylammonium-chloride-to-an-experimental-adhesive
#14
Fabrício Mezzomo Collares, Vicente Castelo Branco Leitune, Patrícia Franken, Clarissa Fatturi Parollo, Fabrício Aulo Ogliari, Susana Maria Werner Samuel
The aim of this study was to develop an experimental adhesive with addition of [2-(methacryloyloxy)ethyl]trimethylammonium chloride (METAC) and to evaluate its mechanical and biological properties and its in vitro antibacterial activity. An experimental adhesive resin was formulated with Bis-GMA, TEGDMA, and HEMA. The antibacterial monomer was added at concentrations of 1%, 2.5%, and 5% (METAC groups). A group without METAC addition was used as control. The experimental adhesives were evaluated as to their antibacterial potential against Streptococcus mutans, degree of conversion, and softening in ethanol for 2 hours...
May 4, 2017: Brazilian Oral Research
https://www.readbyqxmd.com/read/28489118/analysis-of-glut-1-glut-3-and-angiogenic-index-in-syndromic-and-non-syndromic-keratocystic-odontogenic-tumors
#15
Rafaella Bastos Leite, Roberta Barroso Cavalcante, Renato Luiz Maia Nogueira, Lélia Batista de Souza, Leão Pereira Pinto, Cassiano Francisco Weege Nonaka
The aim of this study was to evaluate the immunoexpression of glucose transporters 1 (GLUT-1) and 3 (GLUT-3) in keratocystic odontogenic tumors associated with Gorlin syndrome (SKOTs) and non-syndromic keratocystic odontogenic tumors (NSKOTs), and to establish correlations with the angiogenic index. Seventeen primary NSKOTs, seven recurrent NSKOTs, and 17 SKOTs were selected for the study. The percentage of immunopositive cells for GLUT-1 and GLUT-3 in the epithelial component of the tumors was assessed. The angiogenic index was determined by microvessel count...
April 27, 2017: Brazilian Oral Research
https://www.readbyqxmd.com/read/28489117/survival-of-sealants-in-molars-affected-by-molar-incisor-hypomineralization-18-month-follow-up
#16
Camila Maria Bullio Fragelli, Juliana Feltrin de Souza, Diego Girotto Bussaneli, Fabiano Jeremias, Lourdes Dos Santos-Pinto, Rita de Cássia Loiola Cordeiro
The objective of this study was to evaluate the clinical survival of sealants applied in first permanent molars (FPMs) affected by molar-incisor hypomineralization (MIH), at 18 months of follow-up. Forty-one first permanent molars were selected from 21 children, 6-8 years of age. MIH was classified by one calibrated examiner (kappa = 0.80) according to EAPD criteria. The inclusion criteria were fully erupted FPMs with MIH or sound FPMs (without MIH) for which sealant treatment was indicated. The FPMs were assigned to two groups: CG (control group) and HG (MIH group)...
April 27, 2017: Brazilian Oral Research
https://www.readbyqxmd.com/read/28403332/influence-of-root-dentin-treatment-on-the-push-out-bond-strength-of-fibre-reinforced-posts
#17
Altair Soares Moura, Rodrigo Dantas Pereira, Fuad Jacob Abi Rached, Bruno Monguilhott Crozeta, Jardel Francisco Mazzi-Chaves, Luis Eduardo Souza-Flamini, Antonio Miranda Cruz
This study evaluates the influence of root dentin treatment with NaOCl alone and combined with EDTA, with and without ultrasound activation, on the push-out bond strength (BS) of fiber-reinforced posts in weakened roots, cemented with RelyX or Panavia. The root canals of 42 maxillary canines were instrumented with Reciproc and 2.5% NaOCl. In the coronal 12mm of all canals, experimental weakening of the roots was produced by reducing dentin thickness with 2.44mm diameter diamond burs. The roots were assigned to 3 groups (n = 14) according to root dentin treatment: 2...
April 10, 2017: Brazilian Oral Research
https://www.readbyqxmd.com/read/28403331/effects-of-avocado-soybean-unsaponifiables-asu-on-the-treatment-of-ligature-induced-periodontitis-in-rats
#18
Guilherme José Pimentel Lopes de Oliveira, Luiz Guilherme Freitas de Paula, João Antônio Chaves de Souza, Rubens Spin-Neto, Andreas Stavropoulos, Rosemary Adriana Chiérici Marcantonio
The purpose of this study is to evaluate the effect of the avocado/soybean unsaponifiables (ASU) on the treatment of induced periodontitis in rats. Periodontitis was induced in 84 rats via ligature placement around the second upper molar, which was removed after 7 days, and scaling and root planning (SRP) was performed at this time. Subsequently, the rats were randomly allocated to four groups with 21 animals each: One SRP group in which saline solution was administered (SS), and three groups in which ASU was administered (0...
April 10, 2017: Brazilian Oral Research
https://www.readbyqxmd.com/read/28403330/dental-management-survey-brazil-dms-br-creation-and-validation-of-a-management-instrument
#19
Paola Sampaio Gonzales, Ismar Eduardo Martins, Maria Gabriela Haye Biazevic, Paulo Roberto da Silva, Edgard Michel-Crosato
Questionnaires for the assessment of knowledge and self-perception can be useful to diagnose what a dentist knows about management and administration. The aim of the present study was to create and validate the Dental Management Survey Brazil (DMS-BR) scale, based on meetings with experts in the field. After having elaborated the first version, 10 audits were performed in dental offices in order to produce the final version, which included nine dimensions: location, patient, finance, marketing, competition, quality, staff, career, and productivity...
April 10, 2017: Brazilian Oral Research
https://www.readbyqxmd.com/read/28403329/longevity-of-metal-ceramic-crowns-cemented-with-self-adhesive-resin-cement-a-prospective-clinical-study
#20
MULTICENTER STUDY
Lucas Pradebon Brondani, Tatiana Pereira-Cenci, Vinicius Felipe Wandsher, Gabriel Kalil Pereira, Luis Felipe Valandro, César Dalmolin Bergoli
Resin cements are often used for single crown cementation due to their physical properties. Self-adhesive resin cements gained widespread due to their simplified technique compared to regular resin cement. However, there is lacking clinical evidence about the long-term behavior of this material. The aim of this prospective clinical trial was to assess the survival rates of metal-ceramic crowns cemented with self-adhesive resin cement up to six years. One hundred and twenty-nine subjects received 152 metal-ceramic crowns...
April 10, 2017: Brazilian Oral Research
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