Histological analysis of biocompatibility of ionomer cements with an acid-base reaction.

abstract：:The purpose of this double-blind, randomized, crossover in situ study is to compare remineralization of preformed enamel lesions by casein phosphopeptide-stabilized amorphous calcium phosphate (CPP-ACP) and fluoride dentifrice products. During each of four 10-day experimental legs, 10 participants wore intraoral remov...

journal_title：Brazilian oral research

authors： Oliveira PRA,Barboza CM,Barreto LSDC,Tostes MA

更新日期：2020-06-24 00:00:00

abstract：:The extent of separation between the maxillary and mandibular teeth in the fabrication of interocclusal splints designed to achieve efficiency and muscle relaxation is controversial and undefined in the literature. Based on this premise, the aim of this study was to evaluate the effect of interocclusal splint thicknes...

journal_title：Brazilian oral research

authors： Pita MS,Ribeiro AB,Garcia AR,Pedrazzi V,Zuim PR

更新日期：2011-11-01 00:00:00

abstract：:The aim of this study was to evaluate the effects of different root canal filling techniques on the bond strength of epoxy resin-based sealers. Sixty single-rooted canines were prepared using ProTaper (F5) and divided into the following groups based on the root filling technique: Lateral Compaction (LC), Single Cone (...

journal_title：Brazilian oral research

authors： Rached-Júnior FJ,Souza AM,Macedo LM,Raucci-Neto W,Baratto-Filho F,Silva BM,Silva-Sousa YT

更新日期：2016-01-01 00:00:00

abstract：:Clinical aspects and biochemical properties in the saliva of 21 patients prior to and following radiotherapy for head and neck cancer were evaluated (experimental group) and compared with the same properties in a control group of 21 subjects free of cancer. Salivary flow was evaluated by measuring the time necessary, ...

journal_title：Brazilian oral research

authors： de Barros Pontes C,Polizello AC,Spadaro AC

更新日期：2004-01-01 00:00:00

abstract：:Considering that the variations on clinical judgment with respect to replacement of restorations are a problem which affects dentistry, the aim of this study was to elaborate, implement and evaluate a programme of participative training to standardize criteria for the evaluation of amalgam restorations. Five professor...

journal_title：Brazilian oral research

authors： Fernandes ET,Ferreira e Ferreira E

更新日期：2004-07-01 00:00:00

abstract：:This pilot study aimed to evaluate the influence of smoking on clinical and microbiological parameters after nonsurgical periodontal therapy. Forty-eight subjects were grouped into smokers (SM, n = 24) and nonsmokers (NS, n = 24) and paired according to gender, age, ethnicity, and periodontal status. Both groups recei...

journal_title：Brazilian oral research

authors： Camargo GA,Abreu MG,Cordeiro Rdos S,Wenderoscky Lde F,Duque C

更新日期：2016-08-22 00:00:00

abstract：:Prosthetic eyes are artificial substitutes for the eyeball, made of heat-curing acrylic resin, serving to improve the esthetic appearance of the mutilated patient and his/her inclusion in society. The aim of this study was to assess the flexural strength of two heat-curing acrylic resins used for manufacturing prosthe...

journal_title：Brazilian oral research

authors： Fernandes AU,Portugal A,Veloso LR,Goiato MC,Santos DM

更新日期：2009-07-01 00:00:00

abstract：:The aim of this study was to evaluate the preparation time and the amounts of apically extruded debris and irrigant using different nickel-titanium instrumentation systems. Forty-five extracted single-rooted mandibular premolar teeth were selected and divided into three groups. The root canals were instrumented accord...

journal_title：Brazilian oral research

authors： Küçükyilmaz E,Savas S,Saygili G,Uysal B

更新日期：2015-01-01 00:00:00

abstract：:The aim of this study was to determine if multiple processing (heat-pressing) of a dental ceramic influences flexural strength, hardness, and microstructure. Ninety bar-shaped specimens (15 mm × 4 mm × 2 mm) of a pressed ceramic (Vita PM9) were fabricated and randomly divided into 6 groups (n = 15) according to the fa...

journal_title：Brazilian oral research

authors： Dal Piva AMO,Barcellos ASP,Bottino MA,Souza ROAE,Melo RM

更新日期：2018-10-25 00:00:00

abstract：:This study has defined the cephalometric values of the Craniofacial Analysis of the Tweed Foundation for a sample of Brazilian subjects. The sample consisted of 211 cephalometric radiographs from subjects aged 12-15, which were divided into two groups: Class II group, with 168 lateral teleradiographs (cephalograms) of...

journal_title：Brazilian oral research

authors： Tukasan PC,Magnani MB,Nouer DF,Nouer PR,Neto JS,Garbui IU

更新日期：2005-01-01 00:00:00

abstract：:To evaluate the association between temporomandibular disorder (TMD) and anxiety, quality of sleep, and quality of life in nursing professionals at the Hospital de Clínicas de Uberlândia of the Universidade Federal de Uberlandia--HCU-UFU (Medical University Hospital of the Federal University of Uberlândia), four quest...

journal_title：Brazilian oral research

authors： Oliveira LK,Almeida Gde A,Lelis ÉR,Tavares M,Fernandes Neto AJ

更新日期：2015-01-01 00:00:00

abstract：:The aim of this study was to investigate the prevalence of orofacial clefts in live newborns from 1998 to 2002 in Brazilian state capitals and correlate their occurrence with a number of relevant socioeconomic factors collected in the 2000 census. Data was obtained from the Public Health Hospital Information System (S...

journal_title：Brazilian oral research

authors： Rodrigues K,Sena MF,Roncalli AG,Ferreira MA

更新日期：2009-01-01 00:00:00

abstract：:The effects of ethanol alone on the oral mucosa are still poorly understood, especially because there are few non-smoking chronic consumers of alcoholic beverages. The aim of this study was to evaluate the frequency of micronucleus, abnormal nucleus/cytoplasm ratio, pyknosis, karyorrhexis and karyolysis in exfoliated ...

journal_title：Brazilian oral research

authors： Reis SR,do Espírito Santo AR,Andrade MG,Sadigursky M

更新日期：2006-04-01 00:00:00

abstract：: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 refer...

journal_title：Brazilian oral research

authors： Silva LVO,Arruda JAA,Martelli SJ,Kato CNAO,Nunes LFM,Vasconcelos ACU,Tarquinio SBC,Gomes APN,Gomez RS,Mesquita RA,Silveira MMFD,Sobral APV

更新日期：2018-03-15 00:00:00

abstract：:To achieve proper recontouring of anterior and posterior teeth, to obtain optimal morphology during enamel stripping, it is important to be aware of dental anatomy. This study aimed at evaluating crown dimensions and proximal enamel thickness in a sample of 40 extracted sound, human, mandibular, second bicuspids (20 r...

journal_title：Brazilian oral research

authors： Fernandes SA,Vellini-Ferreira F,Scavone-Junior H,Ferreira RI

更新日期：2011-07-01 00:00:00

abstract：:The use of acid etchants to produce surface demineralization and collagen network exposure, allowing adhesive monomers interdiffusion and consequently the formation of a hybrid layer, has been considered the most efficient mechanism of dentin bonding. The aim of this study was to compare the tensile bond strength to d...

journal_title：Brazilian oral research

authors： Susin AH,Vasconcellos WA,Saad JR,Oliveira Junior OB

更新日期：2007-01-01 00:00:00

abstract：:The objective of this study was to evaluate the effects of Cymbopogon citratus essential oil and its main compound (citral) against primary dental colonizers and caries-related species. Chemical characterization of the essential oil was performed by gas chromatography/mass spectroscopy (GC/MS), and the main compound w...

journal_title：Brazilian oral research

authors： Oliveira MAC,Borges AC,Brighenti FL,Salvador MJ,Gontijo AVL,Koga-Ito CY

更新日期：2017-11-06 00:00:00

abstract：:This study evaluates how atenolol affects dental mineralization in offspring of female spontaneously hypertensive rats (fSHR) and normotensive Wistar rats (fW). fSHR and fW were treated with atenolol (100 mg/Kg/day, orally) during pregnancy and lactation. Non-treated fSHR and fW were the control groups. Enamel and den...

journal_title：Brazilian oral research

authors： Elias GP,Araujo HC,Sassaki KT,Delbem ACB,Antoniali C

更新日期：2020-01-01 00:00:00

abstract：:The aim of this study is to evaluate the machinability of four CAD/CAM materials (n = 13) assessed by brittleness index, Vickers hardness, and fracture toughness and interaction among such mechanical properties. The materials selected in this in vitro study are Feldspathic ceramic [FC], Lithium-disilicate glass cerami...

journal_title：Brazilian oral research

authors： Porto TS,Roperto RC,Teich ST,Faddoul FF,Rizzante FAP,Porto-Neto ST,Campos EA

更新日期：2019-01-01 00:00:00

abstract：:The aim of this study was to evaluate the influence of applying 2% chlorhexidine for 30 seconds after phosphoric acid conditioning of dentin on the immediate and long-term bond strengths in deciduous teeth. The occlusal enamel was removed from 40 human sound deciduous molars, which were exfoliated by natural means, an...

journal_title：Brazilian oral research

authors： Leitune VC,Portella FF,Bohn PV,Collares FM,Samuel SM

更新日期：2011-09-01 00:00:00

abstract：:This study evaluated the effects of the photoactivation source and restorative material on the development of caries-like lesions on human enamel after an in vitro pH challenge. Enamel cavities were prepared in 36 blocks, which were assigned to two groups according to the restorative material: resin-modified glass ion...

journal_title：Brazilian oral research

authors： Ferla Jde O,Rodrigues JA,Arrais CA,Aranha AC,Cassoni A

更新日期：2013-05-01 00:00:00

abstract：:Although malocclusions represent a serious public health issue, there is insufficient information about this problem in adolescents in Brazil, especially in poorer areas. The purpose of this cross-sectional study was to estimate the prevalence of facial alterations, dental malocclusions, and deleterious oral habits (D...

journal_title：Brazilian oral research

authors： Thomaz EB,Cangussu MC,Assis AM

更新日期：2013-01-01 00:00:00

abstract：:Fluoride has been widely used in dentistry because it is a specific and effective caries prophylactic agent. However, excess fluoride may represent a hazard to human health, especially by causing injury to genetic material. Genotoxicity tests represent an important part of cancer research to assess the risk of potenti...

journal_title：Brazilian oral research

authors： Ribeiro DA,Scolastici C,Marques ME,Salvadori DM

更新日期：2004-07-01 00:00:00

abstract：:The aim of the present transversal study was to evaluate the clinical and biochemical salivary parameters of children with and without erosive tooth wear (ETW). The study population was children aged 4 to 9 years. A trained and calibrated examiner (kappa value for intraexaminer reliability = 0.89) classified the child...

journal_title：Brazilian oral research

authors： Shitsuka C,Palma LF,Pedron IG,Polotow TGG,Barros MP,Leite MF,CorrÊa MSNP

更新日期：2020-09-04 00:00:00

abstract：:The aim of this study was to evaluate the influence of radiation therapy on root canal sealer push-out bond strength (BS) to dentin and the sealer/dentin interface after different final irrigation solutions (NaOCl, EDTA, and chitosan). Sixty-four maxillary canines were distributed into two groups (n=30): non-irradiate...

journal_title：Brazilian oral research

authors： Paiola FG,Lopes FC,Mazzi-Chaves JF,Pereira RD,Oliveira HF,Queiroz AM,Sousa-Neto MD

更新日期：2018-11-29 00:00:00

abstract：:Over the last decade, there has been growing interest in diagnosing non-cavitated lesions in epidemiological studies involving large numbers of preschool children, schoolchildren and young adults. In this context, assessment of lesions characteristics indicating whether or not there is ongoing mineral loss is also con...

journal_title：Brazilian oral research

authors： Carvalho JC,Mestrinho HD

更新日期：2014-01-01 00:00:00

abstract：:The aim of this study was to evaluate the influence of the embedment material and periodontal ligament simulation on fracture resistance of bovine teeth. Eighty bovine incisor teeth were randomized into 8 groups (n = 10), embedded in acrylic or polystyrene resin using 4 types of periodontal ligament simulation: 1--abs...

journal_title：Brazilian oral research

authors： Soares CJ,Pizi EC,Fonseca RB,Martins LR

更新日期：2005-01-01 00:00:00

abstract：:The present study evaluated the antimicrobial activity of three root canal irrigants against Enterococcus faecalis, Candida albicans, and Staphylococcus aureus. These microorganisms were incubated in the presence of citric acid (6 and 10%), EDTA (17%), and NaOCl (0.5, 1.0, 2.5, and 5.25%). Agar diffusion tests were pe...

journal_title：Brazilian oral research

authors： Fidalgo TK,Barcelos R,Portela MB,Soares RM,Gleiser R,Silva-Filho FC

更新日期：2010-10-01 00:00:00

abstract：:The fit of the implant-abutment interface was assessed by the metallographic technique and by scanning electron microscopy (SEM), using solid abutment types at different torque levels. Forty Morse taper connections and forty solid abutments were used at different torque levels (repeated after 10 minutes) in the follow...

journal_title：Brazilian oral research

authors： Gehrke SA,Shibli JA,Aramburú Junior JS,de Val JE,Calvo-Girardo JL,Dedavid BA

更新日期：2016-01-01 00:00:00

abstract：:This study evaluated whether periodontal ligament (PL) thickness varied with root size and examined the possible influence of this variation on orthodontic mechanics. Measurements were taken of the maxillary left first molar in 54 male Wistar rats. Mean mesial and distal PL thicknesses were compared between the interm...

journal_title：Brazilian oral research

authors： Cuoghi OA,Tondelli PM,Aiello CA,Mendonça MR,Costa SC

更新日期：2013-01-01 00:00:00