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Brazilian Oral Research

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https://www.readbyqxmd.com/read/29561951/in-vitro-effects-of-alcohol-containing-mouthwashes-on-human-enamel-and-restorative-materials
#1
José Eduardo Pelizon Pelino, Alan Passero, Airton Abrahao Martin, Christine Ann Charles
The objective of this study was to evaluate the in vitro effects, including surface morphological characteristics and chemical elemental properties, of different mouthwash formulations on enamel and dental restorative materials, simulating up to 6 months of daily use. Human enamel samples, hydroxyapatite, composite resin, and ceramic surfaces were exposed to 3 different mouthwashes according to label directions - Listerine® Cool Mint®, Listerine® Total Care, and Listerine® Whitening - versus control (hydroalcohol solution) to simulate daily use for up to 6 months...
March 15, 2018: Brazilian Oral Research
https://www.readbyqxmd.com/read/29561950/a-multicenter-study-of-biopsied-oral-and-maxillofacial-lesions-in-a-brazilian-pediatric-population
#2
Leni Verônica de Oliveira Silva, José Alcides Almeida Arruda, Stephanie Joana Martelli, Camila de Nazaré Alves de Oliveira Kato, Laiz Fernanda Mendes Nunes, Ana Carolina Uchoa Vasconcelos, Sandra Beatriz Chaves Tarquinio, Ana Paula Neutzling Gomes, Ricardo Santiago Gomez, Ricardo Alves Mesquita, Marcia Maria Fonseca da Silveira, Ana Paula Veras Sobral
The aim of this study was to investigate the prevalence of oral and maxillofacial lesions among children from representative regions of Brazil. A retrospective descriptive study was conducted. Biopsy records comprising the period from 2000 to 2015 were obtained from the archives of three Brazilian oral pathology referral centers. A total of 32,506 biopsy specimens were analyzed, and specimens from 1,706 children aged 0-12 years were selected. Gender, age, anatomical location and histopathological diagnosis were evaluated...
March 15, 2018: Brazilian Oral Research
https://www.readbyqxmd.com/read/29561949/can-intra-radicular-cleaning-protocols-increase-the-retention-of-fiberglass-posts-a-systematic-review
#3
Lilian Vieira Oliveira, Thais Souza Maia, Karla Zancopé, Murilo de Souza Menezes, Carlos José Soares, Camilla Christian Gomes Moura
The presence of residues within the root canal after post-space preparation can influence the bond strength between resin cement and root dentin when using fiberglass posts (FGPs). Currently, there is no consensus in the literature regarding what is the best solution for the removal of debris after post-space preparation. This systematic review involved "in vitro" studies to investigate if cleaning methods of the root canal after post-space preparation can increase the retention of FGPs evaluated by the push-out test...
March 15, 2018: Brazilian Oral Research
https://www.readbyqxmd.com/read/29538481/epidemiological-analysis-and-need-for-endodontic-treatment-among-the-indigenous-sater%C3%A3-maw%C3%A3-and-tikuna
#4
Nely Cristina Medeiros Caires, Luciana Carla Neves de Brito, Leda Quercia Vieira, Antônio Paulino Ribeiro Sobrinho
The objective of this study was to analyze the epidemiological profile of oral health of Sateré-Mawé indigenous people living in Barreirinha, Amazonas (AM), Brazil, and the Tikuna indigenous people living in the urban area of Manaus (AM), in addition to characterizing the need for endodontic treatment between the two ethnic groups. A total of 138 individuals participated in the study, of whom 98 were Tikuna and 40 were Sateré-Mawé; they were distributed in age groups ranging from seven to 75 years. A very high prevalence of caries was observed in both ethnic groups...
March 8, 2018: Brazilian Oral Research
https://www.readbyqxmd.com/read/29538480/push-out-bond-strength-of-different-tricalcium-silicate-based-filling-materials-to-root-dentin
#5
Jorge Henrique Stefaneli Marques, Yara Teresinha Corrêa Silva-Sousa, Fuad Jacob Abi Rached-Júnior, Luciana Martins Domingues de Macedo, Jardel Francisco Mazzi-Chaves, Josette Camilleri, Manoel Damião Sousa-Neto
The aim of this study was to evaluate the bond strength of different triccalcium silicate cements to retrograde cavity using a push out test. Thirty maxillary central incisors were shaped using #80 hand files and sectioned transversally. Root slices were obtained from the apical 4 mm after eliminating the apical extremity. The specimens were embedded in acrylic resin and positioned at 45° to the horizontal plane for preparation of root-end cavities with a diamond ultrasonic retrotip. The samples were divided into three groups according to the root-end filling material (n = 10): MTA Angelus, ProRoot MTA and Biodentine...
March 8, 2018: Brazilian Oral Research
https://www.readbyqxmd.com/read/29538479/a-comparative-study-of-bulk-fill-composites-degree-of-conversion-post-gel-shrinkage-and-cytotoxicity
#6
Flávia Gonçalves, Luiza Mello de Paiva Campos, Ezequias Costa Rodrigues-Júnior, Fabrícia Viana Costa, Pamela Adeline Marques, Carlos Eduardo Francci, Roberto Ruggiero Braga, Letícia Cristina Cidreira Boaro
Bulk-fill composites are claimed to be restorative materials used in deep preparations and effectively photoactivated in layers up to 4 mm. The aim of the present study was to evaluate the degree of conversion, post-gel volumetric shrinkage, and cytotoxicity of six bulk-fill and two conventional composites. Degree of conversion was determined by FTIR spectroscopy; post-gel volumetric shrinkage was determined using the strain gauge method; and cytotoxicity in human fibroblasts was evaluated indirectly by the MTT assay...
March 8, 2018: Brazilian Oral Research
https://www.readbyqxmd.com/read/29538478/cross-cultural-adaptation-and-validation-of-the-impact-of-fixed-appliances-measure-questionnaire-in-brazil
#7
Ana Paula Rebouças, Cristiane Baccin Bendo, Lucas Guimarães Abreu, Elizabeth Maria Bastos Lages, Carlos Flores-Mir, Saul Martins Paiva
The aim of this study was to translate and cross-culturally adapt the condition-specific instrument Impact of Fixed Appliances Measure (IFAM), assessing its validity and reliability for use among Brazilian children/adolescents. The IFAM was translated, back-translated, cross-culturally adapted, and pilot-tested. The Brazilian version of the IFAM (B-IFAM) was tested on 161 10-to-18-year-old children/adolescents. Internal consistency was assessed using Cronbach's alpha (α) and test-retest reliability by intraclass correlation coefficients (ICC)...
March 8, 2018: Brazilian Oral Research
https://www.readbyqxmd.com/read/29538477/desire-for-tooth-bleaching-and-treatment-performed-in-brazilian-adults-findings-from-a-birth-cohort
#8
Fernando Barcellos da Silva, Luiz Alexandre Chisini, Flávio Fernando Demarco, Bernardo Lessa Horta, Marcos Britto Correa
Population-based studies estimating the prevalence of tooth bleaching desire or the percentage of individuals who had performed this treatment are rare. Thus, the aim of this study was to evaluate the desire to perform tooth bleaching and the prevalence of adult individuals who had performed the treatment and investigate the association of these outcomes. A subsample (n = 536) of the 1982 Pelotas birth cohort in southern Brazil was investigated at the ages 15, 24 and 31 by clinical examinations and interviews...
March 8, 2018: Brazilian Oral Research
https://www.readbyqxmd.com/read/29538476/interleukin-6-and-interleukin-10-gene-polymorphisms-and-the-risk-of-further-periodontal-disease-progression
#9
Georgios Chatzopoulos, Aikaterini-Ellisavet Doufexi, Larry Wolff, Anastasia Kouvatsi
Susceptible genotypes to periodontal disease are associated with disease onset and progression. The aim of this study was to examine the effect of gene polymorphisms on the risk of further disease progression and the need for further treatment among adults with chronic periodontal disease. Sixty-seven patients diagnosed with chronic periodontitis were grouped according to genotype status and risk of further progression of disease and tooth loss. All individuals were clinically evaluated for probing pocket depth, clinical attachment loss and bleeding on probing at baseline and 45 days after treatment...
March 8, 2018: Brazilian Oral Research
https://www.readbyqxmd.com/read/29513888/evaluation-of-long-term-bond-strength-and-selected-properties-of-self-adhesive-resin-cements
#10
Carianne Mendes de Almeida, Carine Tais Welter Meereis, Fernanda Barbosa Leal, Aline Oliveira Ogliari, Evandro Piva, Fabrício A Ogliari
This study evaluated the shear bond strength (SBS) of self-adhesive resin cements (SARCs) to dentin and their physical-chemical properties. Five commercial SARCs were evaluated [SmartCem®2 - DENTSPLY (SC2); BisCem® - Bisco (BC); SeT PP® - SDI (SeT); Relyx U100® - 3M ESPE (U100) and YCEM® SA - Yller (YCEM)]. The SARCs were evaluated for SBS to dentin (n = 10) after 24 h, 6 months, and 12 months. The dentin demineralization caused by acidic monomers was observed by SEM, and pH-neutralization of eluate was observed for 24 h...
March 1, 2018: Brazilian Oral Research
https://www.readbyqxmd.com/read/29513887/bond-strength-values-of-fiberglass-post-to-flared-root-canals-reinforced-with-different-materials
#11
Thaís Emanuelle Bakaus, Yançanã Luizy Gruber, Alessandra Reis, Osnara Maria Mongruel Gomes, Giovana Mongruel Gomes
The aim of this study was to compare in vitro the bond strength (BS) between fiberglass posts and flared root canals reinforced with different materials. The roots of 48 premolars were endodontically treated. After one week, the root canals were prepared to simulate an oversized root canal, except for the positive control group (PCG), which was cemented with a prefabricated fiber post (PFP) compatible with the root canal size, simulating an ideal adaptation. The other samples (n=8/group) were used to test alternative restorative techniques for filling root canals: negative control group (NCG [PFP with a smaller diameter than of the root canal]), composite resin group - CRG, bulkfill group - BFG, self-adhesive cement group - SAG, and glass ionomer group - GIG...
March 1, 2018: Brazilian Oral Research
https://www.readbyqxmd.com/read/29513886/is-there-a-best-conventional-material-for-restoring-posterior-primary-teeth-a-network-meta-analysis
#12
Carine Weber Pires, Djessica Pedrotti, Tathiane Larissa Lenzi, Fabio Zovico Maxnuck Soares, Patricia Klarmann Ziegelmann, Rachel de Oliveira Rocha
This study aimed to compare the longevity of different conventional restorative materials placed in posterior primary teeth. This systematic review was conducted following the PRISMA statement and registered in PROSPERO (CRD42016035775). A comprehensive electronic search without date or language restrictions was performed in PubMed/MEDLINE, Cochrane Central Register of Controlled Trials, Scopus, Turning Research Into Practice (TRIP) and Clinical Trials databases up to January 2017, selecting randomized clinical trials that assessed the longevity of at least two different conventional restorative materials performed in primary molars...
March 1, 2018: Brazilian Oral Research
https://www.readbyqxmd.com/read/29513885/immediate-tooth-replantation-root-canal-filling-for-delayed-initiation-of-endodontic-treatment
#13
Daniela Atili Brandini, Marina Fuzette Amaral, Caio Vinícius Lourenço Debortoli, Sônia Regina Panzarini
The aim of this study is to evaluate the action of paramonochlorophenol associated with Furacin followed by calcium hydroxide (CH) dressing in the control of inflammatory root resorption in cases of immediate tooth replantation with delayed endodontic treatment. A total of 28 incisors of 3 male dogs were extracted and replanted after 15 minutes, and randomly divided into 3 groups: Group I (n = 8) - endodontic treatment was performed before the extraction and replantation; Group II (n = 10) - endodontic treatment was performed 30 days after replantation and the root canal was filled with CH dressing; Group III (n = 10) - endodontic treatment was performed 30 days after replantation and root canals received temporary medication of paramonochlorophenol-Furacin followed by CH dressing...
March 1, 2018: Brazilian Oral Research
https://www.readbyqxmd.com/read/29513884/erratum-microtensile-bond-strength-of-cad-cam-materials-to-dentin-under-different-adhesive-strategies-braz-oral-res-2017-31-e109
#14
(no author information available yet)
[This corrects the article doi: 10.1590/1807-3107bor-2017.vol31.0109].
March 1, 2018: Brazilian Oral Research
https://www.readbyqxmd.com/read/29412225/evaluation-of-the-association-of-bruxism-psychosocial-and-sociodemographic-factors-in-preschoolers
#15
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
#16
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
#17
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
#18
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
#19
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
#20
(no author information available yet)
[This corrects the article doi: 10.1590/1807-3107BOR-2017.vol31.0105].
February 1, 2018: Brazilian Oral Research
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