Torsional fatigue strength of reciprocating and rotary pathfinding instruments manufactured from different NiTi alloys.

abstract：:The aims of this study were to identify (1) patient-related factors (sex, age, craniofacial pattern and smoking habit), (2) miniscrews implants (MSI)-related factors (length and diameter) and (3) location-related factors [bone (maxilla or mandible) and area (buccal, lingual and alveolar ridge)] that may be associated ...

journal_title：Brazilian oral research

authors： Melo AC,Andrighetto AR,Hirt SD,Bongiolo AL,Silva SU,Silva MA

更新日期：2016-10-24 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：:Periodontal diseases are considered a worldwide public health problem, owing to their high prevalence in developed and developing countries. Periodontitis may lead to tooth loss, which can impact oral health-related quality of life. Gingivitis and periodontitis have been extensively studied regarding their etiopathoge...

journal_title：Brazilian oral research

authors： Romito GA,Feres M,Gamonal J,Gomez M,Carvajal P,Pannuti C,Duque Duque A,Romanelli H,Rösing CK,Aranguiz Freyhofer V,Cavagni J,Fischer RG,Figueiredo L,Carrer FCA,Malheiros Z,Stewart B,Sanz M,Ryan M

更新日期：2020-04-09 00:00:00

abstract：:In spite of decades of research on fluoride and the recognition of its role as the cornerstone of dental caries reduction in the last fifty years, questions still arise on its use at community, self-applied and professional application levels. Which method of fluoride delivery should be used? How and when should it be...

journal_title：Brazilian oral research

authors： Tenuta LM,Cury JA

更新日期：2010-01-01 00:00:00

abstract：:The aim of this in vitro study was to evaluate four different approaches to the decision of changing or not defective amalgam restorations in first primary molar teeth concerning the loss of dental structure. Ditched amalgam restorations (n = 11) were submitted to four different treatments, as follows: Control group -...

journal_title：Brazilian oral research

authors： Sardenberg F,Bonifácio CC,Braga MM,Imparato JC,Mendes FM

更新日期：2008-07-01 00:00:00

abstract：:The aim of this study was to evaluate the remaining dentine/cementum thickness using Gates-Glidden burs in serial and crown-down sequences and to observe which of the two sequences is the safest for preparing mesial roots of molars. Thirty-six left and right human mandibular first molars were selected. Standard access...

journal_title：Brazilian oral research

authors： Coutinho-Filho T,De-Deus G,Gurgel-Filho ED,Rocha-Lima AC,Dias KR,Barbosa CA

更新日期：2008-01-01 00:00:00

abstract：:The reduction in caries prevalence has not occurred uniformly for all dental surfaces. As the occlusal surfaces are still the most likely sites for the development of lesions, new methods of diagnosis are still being evaluated. This study compared a laser fluorescence (LF) system (DIAGNOdent) with the Ekstrands visual...

journal_title：Brazilian oral research

authors： Angnes G,Angnes V,Grande RH,Battistella M,Loguercio AD,Reis A

更新日期：2005-10-01 00:00:00

abstract：:The objective of the study was to analyze the surface area (SA) of the wear caused by simulated chewing on human enamel and opposing restorative material, namely: composite resin (CR), porcelain fused to metal (PFM), lithium disilicate (LD), or monolithic zirconia (MZr). Forty-eight premolars were selected as enamel s...

journal_title：Brazilian oral research

authors： Habib SR,Ansari AS,Alqahtani M,Alshiddi IF,Alqahtani AS,Hassan SH

更新日期：2020-01-10 00:00:00

abstract：:We analyzed the effect of the crosshead speed of an applied load on failure load and failure mode of restored human premolars. Fifty intact, noncarious human premolars were selected. Class II mesio-occlusodistal preparations were made with a water-cooled high-speed preparation machine, and the teeth were restored with...

journal_title：Brazilian oral research

authors： Naves LZ,Silva GR,Correr-Sobrinho L,Costa AR,Valdivia AD,Soares CJ

更新日期：2016-01-01 00:00:00

abstract：:This study investigated the effect of coinitiator solutions and self-adhesive resin cement on the early retention of glass-fiber posts. Cylindrical glass-fiber posts were luted into 40 incisor roots with different adhesion strategies (n = 10): SB2, Single Bond 2 + conventional resin cement (RelyX ARC); AP, Scotchbond ...

journal_title：Brazilian oral research

authors： Faria-e-Silva AL,Mendonça AA,Garcez RM,Oliveira Ada S,Moreira AG,Moraes RR

更新日期：2012-09-01 00:00:00

abstract：:The aim of this study was to analyze the efficiency of experimental light-curing resin cements (ERCs) with a ternary photo-initiator system containing diphenyliodonium hexafluorphosphate (DPI) and different amines on retention of glass-fiber posts to dentin (GFP). ERCs formulations: a 1:1 mass ratio of 2,2-bis[4-(2-hy...

journal_title：Brazilian oral research

authors： Leite TV,Cavalcanti AN,Lima AF,Gonçalves LS,Watts DC,Baron GMM,Martins LRM

更新日期：2018-11-14 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：:School and family together play an important role in the individual development of children. Therefore, this study aimed at evaluating the practices and attitudes towards oral health care of 245 education professionals working in 24 public municipal pre-schools in Niterói, State of Rio de Janeiro, Brazil. The data wer...

journal_title：Brazilian oral research

authors： Antunes Ldos S,Antunes LA,Corvino MP

更新日期：2008-10-01 00:00:00

abstract：:This epidemiologic survey aimed at assessing the prevalence of traumatic dental injuries in children seen at the Federal University of Rio de Janeiro, Brazil. The records of a total of 111 children (aged 0 to 6 years) seen from 2004 to 2006 in the dental trauma clinic were surveyed, comprising a total of 201 traumatiz...

journal_title：Brazilian oral research

authors： Jesus MA,Antunes LA,Risso Pde A,Freire MV,Maia LC

更新日期：2010-01-01 00:00:00

abstract：:The objective of this study was to assess the prevalence and the type of claim denials (administrative, clinical or both) made by a large dental insurance plan. This was a cross-sectional, observational study, which retrospectively collected data from the claims and denial reports of a dental insurance company. The sa...

journal_title：Brazilian oral research

authors： Miranda GE,Siqueira MC,Ferreira RL,Delwing F,Daruge Júnior E

更新日期：2015-01-01 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：: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：:Tooth discoloration is commonly found in the dental clinic and tooth bleaching has been considered the preferred esthetic alternative, being more conservative, safe and with predictable results. Supervised home-use of 10% Carbamide Peroxide (CP) bleaching with custom-trays is the most common bleaching procedure dispen...

journal_title：Brazilian oral research

authors： Demarco FF,Meireles SS,Masotti AS

更新日期：2009-01-01 00:00:00

abstract：:The present study aimed to assess the influence of curing distance on the loss of irradiance and power density of four curing light devices. The behavior in terms of power density of four different dental curing devices was analyzed (Valo, Elipar 2, Radii-Cal, and Optilux-401) using three different distances of photop...

journal_title：Brazilian oral research

authors： Beolchi RS,Moura-Netto C,Palo RM,Rocha Gomes Torres C,Pelissier B

更新日期：2015-01-01 00:00:00

abstract：:Oral manifestations are common findings in human immunodeficiency virus (HIV) infected patients and frequently influence the overall health. Oral hairy leukoplakia (OHL) is strongly associated with HIV infection demonstrating its relationship with the individual's immune status and progression of immunosuppression. Th...

journal_title：Brazilian oral research

authors： Vale DA,Martins FM,Silva PH,Ortega KL

更新日期：2016-11-28 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 purpose of this study was to measure mass loss and surface roughness changes of different brands of flowable resin composites after a simulated toothbrushing test. The null hypotheses were that there would be no differences in mass loss and no significant changes in surface roughness after this test and that there...

journal_title：Brazilian oral research

authors： Garcia FC,Wang L,D'Alpino PH,Souza JB,Araújo PA,Mondelli RF

更新日期：2004-04-01 00:00:00

abstract：:The aim of this study was to evaluate the relationship between masticatory performance and maximum bite force in the primary dentition. The sample comprised 15 children of both genders, aged 3 to 5.5 years, with good systemic and oral health, presence of all primary teeth without large caries, no structural anomalies,...

journal_title：Brazilian oral research

authors： Gavião MB,Raymundo VG,Rentes AM

更新日期：2007-04-01 00:00:00

abstract：:We reviewed the literature to evaluate: a) The compliance of randomized clinical trials (RCTs) on bleaching with the CONSORT; and b) the risk of bias of these studies using the Cochrane Collaboration risk of bias tool (CCRT). We searched the Cochrane Library, PubMed and other electronic databases, to find RCTs focused...

journal_title：Brazilian oral research

authors： Loguercio AD,Maran BM,Hanzen TA,Paula AM,Perdigão J,Reis A

更新日期：2017-08-28 00:00:00

abstract：:The cyclic resistance of ProTaper Universal (size 25/08) and ProTaper Next (size 25/06) instruments was compared in artificial canals with different curvatures in this study. A total of 30 ProTaper Universal and 30 ProTaper Next instruments were divided into 6 groups (n = 10) and were operated into artificial canals w...

journal_title：Brazilian oral research

authors： Peng C,Hui WU,Wang L,Xin HU,Deng S,Li C,Zhang L

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 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：:Based on aroeira's (Myracrodruon urundeuva) antimicrobial activity and a future trend to compose intracanal medication, the aim of this study was to assess in vivo inflamatory tissue response to the extracts by edemogenic and histological analysis containing inactivated facultative and anaerobic microorganisms. For ed...

journal_title：Brazilian oral research

authors： Bueno CRE,Valentim D,Jardim Junior ÉG,Mancuso DN,Sivieri-Araujo G,Jacinto RC,Cintra LTA,Dezan-Junior E

更新日期：2018-05-24 00:00:00

abstract：:Alcohol consumption is a risk indicator for periodontal disease. The purpose of this study was to morphometrically evaluate the influence of alcohol consumption on alveolar bone level associated with ligature-induced periodontitis in rats. Thirty-six female rats (Wistar, 120 days-old) were randomly divided into three ...

journal_title：Brazilian oral research

authors： Souza DM,Ricardo LH,Kantoski KZ,Rocha RF

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