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Brazilian Oral Research

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https://www.readbyqxmd.com/read/29412225/evaluation-of-the-association-of-bruxism-psychosocial-and-sociodemographic-factors-in-preschoolers
#1
Monalisa Cesarino Gomes, Érick Tássio Neves, Matheus França Perazzo, Emilly Gabrielle Carlos de Souza, Júnia Maria Serra-Negra, Saul Martins Paiva, Ana Flávia Granville-Garcia
The aim of the present study was to evaluate factors associated with sleep bruxism in five-year-old preschool children. A preschool-based cross-sectional study was conducted with 761 pairs of children and their parents/caregivers. Sleep bruxism was diagnosed using a questionnaire administered to the parents/caregivers, who also answered questionnaires addressing sociodemographic data and parent's/caregiver's sense of coherence. Clinical oral evaluations of the children to determine dental caries, traumatic dental injuries, malocclusion and tooth wear were performed by two researchers who had undergone a training exercise (interexaminer Kappa: 0...
February 5, 2018: Brazilian Oral Research
https://www.readbyqxmd.com/read/29412224/therapeutic-effect-of-aloe-vera-and-silver-nanoparticles-on-acid-induced-oral-ulcer-in-gamma-irradiated-mice
#2
Ahmed Ibrahim El-Batal, Salwa Farid Ahmed
Radiation combined injury, a life-threatening condition, has higher mortality than simple radiation injury. The aim of the present study was to analyze the efficiency of Aloe vera and silver nanoparticles in improving the healing of ulcerated oral mucosa after irradiation. Thirty male Albino mice were divided into five groups: control, radiation, Aloe vera (AV), silver nanoparticles (NS), and AV+NS. The mice were exposed to whole body 6Gy gamma-radiation. After one hour, 20% acetic acid was injected into the submucosal layer of the lower lip for ulcer induction...
February 5, 2018: Brazilian Oral Research
https://www.readbyqxmd.com/read/29412223/effect-on-adhesion-of-a-nanocapsules-loaded-adhesive-system
#3
Bruna Genari, Vicente Castelo Branco Leitune, Denise Soledade Jornada, Bibiana Rocha Aldrigui, Adriana Raffin Pohlmann, Sílvia Stanisçuaski Guterres, Susana Maria Werner Samuel, Fabrício Mezzomo Collares
This study aimed to evaluate the in situ degree of conversion, contact angle, and immediate and long-term bond strengths of a commercial primer and an experimental adhesive containing indomethacin- and triclosan-loaded nanocapsules (NCs). The indomethacin- and triclosan-loaded NCs, which promote anti-inflammatory and antibacterial effects through controlled release, were incorporated into the primer at a concentration of 2% and in the adhesive at concentrations of 1, 2, 5, and 10%. The in situ degree of conversion (DC, n=3) was evaluated by micro-Raman spectroscopy...
February 1, 2018: Brazilian Oral Research
https://www.readbyqxmd.com/read/29412222/evaluation-of-adaptation-of-ceramic-inlays-using-optical-coherence-tomography-and-replica-technique
#4
Turk Ayse Gozde, Sabuncu Metin, Ulusoy Mubin
Optical coherence tomography (OCT) has generally been used as a nondestructive technique to evaluate integrities of composite restorations. We investigated marginal and internal adaptations of ceramic inlay restorations with OCT and compared them to results with the silicone replica technique. Round-shaped class I cavities were prepared on 16 human maxillary first premolar teeth. Ceramic inlays were fabricated. Silicone replicas from inlays were obtained and sectioned to measure marginal and internal adaptations with a stereomicroscope (Leica Dfc 295, Bensheim, Germany)...
February 1, 2018: Brazilian Oral Research
https://www.readbyqxmd.com/read/29412221/culture-of-human-dental-pulp-cells-at-variable-times-post-tooth-extraction
#5
Benício Daniela Ferreira Araújo, Pereira Luciana Oliveira, Silva Izabel Cristina Rodrigues da, Azevedo Ricardo Bentes, Bezerra Ana Cristina Barreto
The aim of this study was to investigate the viability of human dental pulp cells from extracted teeth kept at standard room temperature and atmospheric pressure for different periods of time. Twenty-one healthy permanent teeth were used. They were divided into five groups according to the expected time from extraction to processing. One group was tested immediately after extraction; the other groups were each tested at one of the following time points: 30 minutes, 1 hour, 2 hours, and 5 hours post-extraction...
February 1, 2018: Brazilian Oral Research
https://www.readbyqxmd.com/read/29412220/erratum-health-related-quality-of-life-of-patients-with-squamous-cell-carcinoma-a-comparison-according-to-tumor-location-braz-oral-res-2017-31-e105
#6
(no author information available yet)
[This corrects the article doi: 10.1590/1807-3107BOR-2017.vol31.0105].
February 1, 2018: Brazilian Oral Research
https://www.readbyqxmd.com/read/29451591/impact-of-aggressive-periodontitis-and-chronic-periodontitis-on-oral-health-related-quality-of-life
#7
Alexandre Hugo Llanos, Carlos Guillermo Benítez Silva, Karina Tamie Ichimura, Estela Sanches Rebeis, Marcela Giudicissi, Marcelo Munhóes Romano, Luciana Saraiva
The purpose of this cross-sectional study was to investigate the effect of different forms of periodontal diseases on Oral Health-Related Quality of Life (OHRQoL). Fifty-two patients with Aggressive Periodontitis (AP) or Chronic Periodontitis (CP) were included: nine patients with Localized Aggressive Periodontitis (LAP), thirty-three patients with Generalized Aggressive Periodontitis (GAP) and ten patients with Generalized Chronic Periodontitis (GCP). Oral Health Impact Profile questionnaires (OHIP-14) were distributed after a clinical examination that measured the following periodontal parameters: tooth loss, bleeding on probing (BoP), probing depth (PD), gingival recession (REC) and clinical attachment level (CAL)...
2018: Brazilian Oral Research
https://www.readbyqxmd.com/read/29364329/oral-health-related-quality-of-life-among-pregnant-women-a-randomized-controlled-trial
#8
Marta Liliana Musskopf, Fernanda Carpes Milanesi, José Mariano da Rocha, Tiago Fiorini, Carlos Heitor Cunha Moreira, Cristiano Susin, Cassiano Kuchenbecker Rösing, Patricia Weidlich, Rui Vicente Oppermann
The aim of the present study was to compare negative impacts of oral conditions in Oral Heath Related Quality of Life (OHRQoL) assessed by the Oral Health Impact Profile-14 (OHIP-14) scores in pregnant women receiving or not comprehensive periodontal treatment. This randomized controlled clinical trial included pregnant women aged between 18 and 35 years old. Participants were randomized in a test group with 96 and a control group with 114 women. Patients in the test group received comprehensive periodontal treatment, supra and subgingival scaling and root-planning and periodontal maintenance appointments...
2018: Brazilian Oral Research
https://www.readbyqxmd.com/read/29364328/the-marginal-fit-of-lithium-disilicate-crowns-press-vs-cad-cam
#9
Basel Azar, Steve Eckert, Josef Kunkela, Tomaš Ingr, Radek Mounajjed
This study aimed to compare the vertical marginal gap of teeth restored with lithium disilicate crowns fabricated using CAD/CAM or by pressed ceramic approach. Twenty mandibular third molar teeth were collected after surgical extractions and prepared to receive full veneer crowns. Teeth were optically scanned and lithium disilicate blocks were used to fabricate crowns using CAD/CAM technique. Polyvinyl siloxane impressions of the prepared teeth were made and monolithic pressed lithium disilicate crowns were fabricated...
2018: Brazilian Oral Research
https://www.readbyqxmd.com/read/29267676/determinants-of-oral-self-care-in-the-brazilian-adult-population-a-national-cross-sectional-study
#10
Danielle Bordin, Cristina Berger Fadel, Celso Bilynkievycz Dos Santos, Cléa Adas Saliba Garbin, Suzely Adas Saliba Moimaz, Nemre Adas Saliba
This study aims to investigate variables related to adherence to oral self-care in the Brazilian adult population. It is an exploratory study, using secondary data from a population-based survey on a representative sample of the adult population of the entire Brazilian territory (n=60202). The sample was selected using a multiple stage approach. The oral self-care indicator was defined by grouping the variables: periodicity of dentist appointments, use of dental floss, toothbrush and toothpaste, frequency of brushing and replacement of the toothbrush...
December 18, 2017: Brazilian Oral Research
https://www.readbyqxmd.com/read/29267675/effectiveness-of-different-final-irrigation-techniques-and-placement-of-endodontic-sealer-into-dentinal-tubules
#11
Kauhanna Vianna de Oliveira, Bruno Marques da Silva, Denise Piotto Leonardi, Bruno Monguilhott Crozeta, Manoel Damião de Sousa-Neto, Flares Baratto-Filho, Marilisa Carneiro Leão Gabardo
The aim of this study was to compare two irrigation techniques and four devices for endodontic sealer placement into the dentinal tubules. Ninety-nine single-rooted human teeth were instrumented and allocated to either the control (CO) (n=11) or experimental groups according to the irrigation method: syringe and NaveTip needle (NT) (n=44), and EndoActivator (EA) (n=44). These groups were subdivided according to sealer placement into K-File (KF), lentulo spiral (LS), Easy Clean (EC), and EndoActivator (EA) subgroups...
December 18, 2017: Brazilian Oral Research
https://www.readbyqxmd.com/read/29267674/comparison-of-two-methods-of-irrigant-agitation-in-the-removal-of-residual-filling-material-in-retreatment
#12
Clarissa Teles Rodrigues, Marco Antonio Hungaro Duarte, Bruno Martini Guimarães, Rodrigo Ricci Vivan, Norberti Bernardineli
The aim of this study was to compare the efficacy of passive ultrasonic irrigation and EasyClean for removing residual filling material in retreatment. Twenty-two maxillary lateral incisors with apical curvature were instrumented with ProTaper files and filled with Endofill using the lateral compactation technique. Removal of filling material was performed with Reciproc, Mtwo and ProDesign Logic 50/.01 files. The teeth were inserted in a silicone mould, which was placed in a metal muffle, and split to visualize the residual filling material...
December 18, 2017: Brazilian Oral Research
https://www.readbyqxmd.com/read/29267673/effect-of-crabp2-on-the-proliferation-and-odontoblastic-differentiation-of-hdpscs
#13
Yanhong Yan, Shengcai Qi, Shi-Qiang Gong, Guangwei Shang, Yumei Zhao
Cellular retinoic acid-binding protein 2 (CRABP2) has been detected in several organs during embryonic development. Recent studies have demonstrated that CRABP2 plays important roles in the retinoic acid, β-catenin and Notch signaling pathways, as well as in the interaction between epithelial and mesenchymal cells, which are important for human dental pulp stem cells (hDPSCs) and tooth development. In the present study, the expression of CRABP2 during mouse molar development and the role of CRABP2 in hDPSC odontoblastic differentiation were evaluated...
December 18, 2017: Brazilian Oral Research
https://www.readbyqxmd.com/read/29267672/correlation-and-comparative-analysis-of-the-cpq8-10-and-child-oidp-indexes-for-dental-caries-and-malocclusion
#14
Lucas Duarte-Rodrigues, Joana Ramos-Jorge, Clarissa Lopes Drumond, Priscilla Barboza Diniz, Leandro Silva Marques, Maria Letícia Ramos-Jorge
The aim of this study was to evaluate the correlation between the Child Perceptions Questionnaire 8 to 10 (CPQ8-10) and child-Oral Impact on Daily Performances (child-OIDP) indexes according to their total and item scores, as well as assess the discriminative validity of these assessment tools regarding dental caries and malocclusion among schoolchildren. A sample of 300 children aged between 8 and 10 years answered the questionnaires in two distinct steps. First, half of the sample (G1 = 150) answered the CPQ8-10 and the other half (G2 = 150) answered the child-OIDP...
December 18, 2017: Brazilian Oral Research
https://www.readbyqxmd.com/read/29267671/gingival-crevicular-fluid-oxidative-stress-level-in-patients-with-periodontal-disease-and-hyperlipidemia
#15
Müge Lutfioğlu, Ahmet Aydoğdu, Vadim Ekrem Atabay, Elif Eser Sakallioğlu, Bahattin Avci
This study aimed to assess the impact of hyperlipidemia on healthy and diseased periodontal tissue by evaluating oxidative stress biomarkers in gingival crevicular fluid (GCF). Clinical periodontal parameters and blood serum lipid, GCF malondialdehyde (MDA), protein carbonyl (PC), and total antioxidant capacity (TAOC) levels were evaluated in six age and sex-matched groups (n = 15 each) of normolipidemic and hyperlipidemic individuals as follows: normolipidemic + periodontally healthy (H), normolipidemic + gingivitis (G), normolipidemic + chronic periodontitis (CP), hyperlipidemic + periodontally healthy (HH), hyperlipidemic + gingivitis (HG), and hyperlipidemic + CP (HCP)...
December 18, 2017: Brazilian Oral Research
https://www.readbyqxmd.com/read/29267670/microtensile-bond-strength-of-cad-cam-materials-to-dentin-under-different-adhesive-strategies
#16
Mariá Cortina Bellan, Patrícia Fernandes Jerzewski Sotero da Cunha, Julieta Gomes Tavares, Ana Maria Spohr, Eduardo Gonçalves Mota
The present study aimed to evaluate the microtensile bond strength (μTBS) of novel computer-aided design/computer-aided manufacturing (CAD/CAM) restorative materials to dentin using different adhesive strategies. Thirty-two crowns were milled using CAD/CAM materials (Vita Mark II as control, Vita Suprinity, Vita Enamic and Lava Ultimate) and luted to dentin using different resin cements (RelyX ARC, RelyX Unicem 2 and RelyX Ultimate). The specimens were stored in 100% relative humidity at 37°C for 24 h and sectioned...
December 18, 2017: Brazilian Oral Research
https://www.readbyqxmd.com/read/29267669/culture-dependent-approaches-to-explore-the-prevalence-of-root-canal-pathogens-from-endodontic-infections
#17
Maryam Pourhajibagher, Roghayeh Ghorbanzadeh, Abbas Bahador
Endodontic infections are considered to be caused by the presence of various microorganisms within the root canal system. Recognition of this microbiota contributes to the successful treatment of infected root canals. This study investigated the microorganisms associated with primary and secondary endodontic infections via culture methods, biochemical tests, and molecular approaches in an Iranian population. Microbial specimens were collected from 36 patients with primary endodontic infection and 14 patients with a history of root canal therapy...
December 18, 2017: Brazilian Oral Research
https://www.readbyqxmd.com/read/29267668/the-analgesic-effect-of-photobiomodulation-therapy-830-nm-on-the-masticatory-muscles-a-randomized-double-blind-study
#18
Sabrina Araújo Pinho Costa, Giovanna Piacenza Florezi, Gisele Ebling Artes, Jessica Ribeiro da Costa, Rosane Tronchin Gallo, Patricia Moreira de Freitas, Andrea Lusvarghi Witzel
This study assesses the efficacy of photobiomodulation therapy (830 nm) for myalgia treatment of masticatory muscles. Sixty patients with muscular myalgia were selected and randomly allocated into 2 groups (n=30): Group A comprised patients given a placebo (control), and Group B consisted of those undergoing photobiomodulation therapy (PBMT). PBMT and placebo were applied bilaterally to specific points on the masseter and temporal muscles. Referred pain elicited by palpation and maximum mouth opening were measured before (EV1) and after (EV2) the treatments...
December 18, 2017: Brazilian Oral Research
https://www.readbyqxmd.com/read/29267667/analysis-of-cd57-natural-killer-cells-and-cd8-t-lymphocytes-in-periapical-granulomas-and-radicular-cysts
#19
Luiz Arthur Barbosa da Silva, Maria Alice Ramalho Sá, Rafaela Albuquerque Melo, Joabe Dos Santos Pereira, Éricka Janine Dantas da Silveira, Márcia Cristina da Costa Miguel
The aim of this study was to compare the number of CD57+ natural killer (NK) cells and CD8+ T lymphocytes between periapical granulomas (PGs) and radicular cysts (RCs). Twenty-fives cases of PGs and 25 of RCs were submitted to histological analysis and immunohistochemistry using anti-CD57 and anti-CD8 biomarkers. Positive cells were counted in 10 fields (400× magnification) and the median value was calculated for each case. Statistical tests were used to evaluate differences in the number of CD57+ NK cells and CD8+ T lymphocytes according to type of lesion, intensity of the infiltrate and thickness of the lining epithelium...
December 18, 2017: Brazilian Oral Research
https://www.readbyqxmd.com/read/29267666/health-related-quality-of-life-of-patients-with-squamous-cell-carcinoma-a-comparison-according-to-tumor-location
#20
Paula Mariano de Oliveira Iriya, Luiz Wanderlei Romaniszen, Thais Maria Freire Fernandes, Marcelo Lupion Poleti
The aim of this study was to evaluate the health-related quality of life (QOL) of patients with squamous cell carcinoma (SCC) according to tumor location. The sample consisted of 27 patients with primary SCC in the oral cavity (n = 15), pharynx (n = 7), and larynx (n = 5) who were undergoing cancer treatment at the Cancer Hospital of Londrina, regardless of age, sex, clinical stage, and type of antineoplastic treatment. Health-related QOL was evaluated using the 30-item Cancer-Quality of Life Questionnaire (QLQ-C30), the 35-item Head and Neck Cancer-Quality of Life Questionnaire (QLQ-HN35), and the University of Washington Quality of Life Questionnaire (UW-QOL)...
December 18, 2017: Brazilian Oral Research
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